diff --git a/nixos/modules/programs/ccache.nix b/nixos/modules/programs/ccache.nix
index 3c9e64932f1..d672e1da017 100644
--- a/nixos/modules/programs/ccache.nix
+++ b/nixos/modules/programs/ccache.nix
@@ -17,7 +17,7 @@ in {
       type = types.listOf types.str;
       description = "Nix top-level packages to be compiled using CCache";
       default = [];
-      example = [ "wxGTK30" "qt48" "ffmpeg_3_3" "libav_all" ];
+      example = [ "wxGTK30" "ffmpeg" "libav_all" ];
     };
   };
 
diff --git a/pkgs/applications/audio/cantata/default.nix b/pkgs/applications/audio/cantata/default.nix
index 8f02e8da893..3d594a896cf 100644
--- a/pkgs/applications/audio/cantata/default.nix
+++ b/pkgs/applications/audio/cantata/default.nix
@@ -1,22 +1,42 @@
-{ mkDerivation, lib, fetchFromGitHub, cmake, pkg-config
-, qtbase, qtsvg, qttools, perl
+{ mkDerivation
+, lib
+, fetchFromGitHub
+, cmake
+, pkg-config
+, qtbase
+, qtsvg
+, qttools
+, perl
 
-# Cantata doesn't build with cdparanoia enabled so we disable that
-# default for now until I (or someone else) figure it out.
-, withCdda ? false, cdparanoia
-, withCddb ? false, libcddb
-, withLame ? false, lame
-, withMusicbrainz ? false, libmusicbrainz5
+  # Cantata doesn't build with cdparanoia enabled so we disable that
+  # default for now until I (or someone else) figure it out.
+, withCdda ? false
+, cdparanoia
+, withCddb ? false
+, libcddb
+, withLame ? false
+, lame
+, withMusicbrainz ? false
+, libmusicbrainz5
 
-, withTaglib ? true, taglib, taglib_extras
-, withHttpStream ? true, qtmultimedia
-, withReplaygain ? true, ffmpeg_3, speex, mpg123
-, withMtp ? true, libmtp
+, withTaglib ? true
+, taglib
+, taglib_extras
+, withHttpStream ? true
+, qtmultimedia
+, withReplaygain ? true
+, ffmpeg
+, speex
+, mpg123
+, withMtp ? true
+, libmtp
 , withOnlineServices ? true
-, withDevices ? true, udisks2
+, withDevices ? true
+, udisks2
 , withDynamic ? true
 , withHttpServer ? true
-, withLibVlc ? false, libvlc
+, withLibVlc ? false
+, libvlc
 , withStreams ? true
 }:
 
@@ -31,22 +51,25 @@ assert withReplaygain -> withTaglib;
 assert withLibVlc -> withHttpStream;
 
 let
-  version = "2.4.2";
-  pname = "cantata";
-  fstat = x: fn: "-DENABLE_" + fn + "=" + (if x then "ON" else "OFF");
-  fstats = x: map (fstat x);
+  fstat = x: fn:
+    "-DENABLE_${fn}=${if x then "ON" else "OFF"}";
+
+  fstats = x:
+    map (fstat x);
 
   withUdisks = (withTaglib && withDevices);
 
-  perl' = perl.withPackages (ppkgs: [ ppkgs.URI ]);
+  perl' = perl.withPackages (ppkgs: with ppkgs; [ URI ]);
 
-in mkDerivation {
-  name = "${pname}-${version}";
+in
+mkDerivation rec {
+  pname = "cantata";
+  version = "2.4.2";
 
   src = fetchFromGitHub {
-    owner  = "CDrummond";
-    repo   = "cantata";
-    rev    = "v${version}";
+    owner = "CDrummond";
+    repo = "cantata";
+    rev = "v${version}";
     sha256 = "15qfx9bpfdplxxs08inwf2j8kvf7g5cln5sv1wj1l2l41vbf1mjr";
   };
 
@@ -63,44 +86,44 @@ in mkDerivation {
 
   buildInputs = [ qtbase qtsvg perl' ]
     ++ lib.optionals withTaglib [ taglib taglib_extras ]
-    ++ lib.optionals withReplaygain [ ffmpeg_3 speex mpg123 ]
-    ++ lib.optional  withHttpStream qtmultimedia
-    ++ lib.optional  withCdda cdparanoia
-    ++ lib.optional  withCddb libcddb
-    ++ lib.optional  withLame lame
-    ++ lib.optional  withMtp libmtp
-    ++ lib.optional  withMusicbrainz libmusicbrainz5
-    ++ lib.optional  withUdisks udisks2
-    ++ lib.optional  withLibVlc libvlc;
+    ++ lib.optionals withReplaygain [ ffmpeg speex mpg123 ]
+    ++ lib.optional withHttpStream qtmultimedia
+    ++ lib.optional withCdda cdparanoia
+    ++ lib.optional withCddb libcddb
+    ++ lib.optional withLame lame
+    ++ lib.optional withMtp libmtp
+    ++ lib.optional withMusicbrainz libmusicbrainz5
+    ++ lib.optional withUdisks udisks2
+    ++ lib.optional withLibVlc libvlc;
 
   nativeBuildInputs = [ cmake pkg-config qttools ];
 
   cmakeFlags = lib.flatten [
-    (fstats withTaglib        [ "TAGLIB" "TAGLIB_EXTRAS" ])
-    (fstats withReplaygain    [ "FFMPEG" "MPG123" "SPEEXDSP" ])
-    (fstat withHttpStream     "HTTP_STREAM_PLAYBACK")
-    (fstat withCdda           "CDPARANOIA")
-    (fstat withCddb           "CDDB")
-    (fstat withLame           "LAME")
-    (fstat withMtp            "MTP")
-    (fstat withMusicbrainz    "MUSICBRAINZ")
+    (fstats withTaglib [ "TAGLIB" "TAGLIB_EXTRAS" ])
+    (fstats withReplaygain [ "FFMPEG" "MPG123" "SPEEXDSP" ])
+    (fstat withHttpStream "HTTP_STREAM_PLAYBACK")
+    (fstat withCdda "CDPARANOIA")
+    (fstat withCddb "CDDB")
+    (fstat withLame "LAME")
+    (fstat withMtp "MTP")
+    (fstat withMusicbrainz "MUSICBRAINZ")
     (fstat withOnlineServices "ONLINE_SERVICES")
-    (fstat withDynamic        "DYNAMIC")
-    (fstat withDevices        "DEVICES_SUPPORT")
-    (fstat withHttpServer     "HTTP_SERVER")
-    (fstat withLibVlc         "LIBVLC")
-    (fstat withStreams        "STREAMS")
-    (fstat withUdisks         "UDISKS2")
+    (fstat withDynamic "DYNAMIC")
+    (fstat withDevices "DEVICES_SUPPORT")
+    (fstat withHttpServer "HTTP_SERVER")
+    (fstat withLibVlc "LIBVLC")
+    (fstat withStreams "STREAMS")
+    (fstat withUdisks "UDISKS2")
     "-DENABLE_HTTPS_SUPPORT=ON"
   ];
 
   meta = with lib; {
-    homepage    = "https://github.com/cdrummond/cantata";
     description = "A graphical client for MPD";
-    license     = licenses.gpl3;
+    homepage = "https://github.com/cdrummond/cantata";
+    license = licenses.gpl3Only;
     maintainers = with maintainers; [ peterhoeg ];
-    # Technically Cantata can run on Windows so if someone wants to
+    # Technically, Cantata should run on Darwin/Windows so if someone wants to
     # bother figuring that one out, be my guest.
-    platforms   = platforms.linux;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/applications/audio/opusfile/default.nix b/pkgs/applications/audio/opusfile/default.nix
index e4f7e6ca6b4..a6683904cb1 100644
--- a/pkgs/applications/audio/opusfile/default.nix
+++ b/pkgs/applications/audio/opusfile/default.nix
@@ -1,23 +1,27 @@
 { lib, stdenv, fetchurl, pkg-config, openssl, libogg, libopus }:
 
 stdenv.mkDerivation rec {
-  name = "opusfile-0.12";
+  pname = "opusfile";
+  version = "0.12";
   src = fetchurl {
-    url = "http://downloads.xiph.org/releases/opus/${name}.tar.gz";
+    url = "http://downloads.xiph.org/releases/opus/opusfile-${version}.tar.gz";
     sha256 = "02smwc5ah8nb3a67mnkjzqmrzk43j356hgj2a97s9midq40qd38i";
   };
 
   nativeBuildInputs = [ pkg-config ];
   buildInputs = [ openssl libogg ];
   propagatedBuildInputs = [ libopus ];
-  patches = [ ./include-multistream.patch ];
+  patches = [ ./include-multistream.patch ]
+    # fixes problem with openssl 1.1 dependency
+    # see https://github.com/xiph/opusfile/issues/13
+    ++ lib.optionals stdenv.hostPlatform.isWindows [ ./disable-cert-store.patch ];
   configureFlags = [ "--disable-examples" ];
 
   meta = with lib; {
     description = "High-level API for decoding and seeking in .opus files";
     homepage = "https://www.opus-codec.org/";
     license = licenses.bsd3;
-    platforms = platforms.linux ++ platforms.darwin;
-    maintainers = with maintainers; [ ];
+    platforms = platforms.all;
+    maintainers = with maintainers; [ taeer ];
   };
 }
diff --git a/pkgs/applications/audio/opusfile/disable-cert-store.patch b/pkgs/applications/audio/opusfile/disable-cert-store.patch
new file mode 100644
index 00000000000..e0a7dd4fe3d
--- /dev/null
+++ b/pkgs/applications/audio/opusfile/disable-cert-store.patch
@@ -0,0 +1,35 @@
+diff --git a/src/http.c b/src/http.c
+index bd08562..3a3592c 100644
+--- a/src/http.c
++++ b/src/http.c
+@@ -327,10 +327,12 @@ static int op_poll_win32(struct pollfd *_fds,nfds_t _nfds,int _timeout){
+ typedef ptrdiff_t ssize_t;
+ #  endif
+ 
++#if OPENSSL_VERSION_NUMBER < 0x10100000L
+ /*Load certificates from the built-in certificate store.*/
+ int SSL_CTX_set_default_verify_paths_win32(SSL_CTX *_ssl_ctx);
+ #  define SSL_CTX_set_default_verify_paths \
+  SSL_CTX_set_default_verify_paths_win32
++#endif
+ 
+ # else
+ /*Normal Berkeley sockets.*/
+diff --git a/src/wincerts.c b/src/wincerts.c
+index 409a4e0..c355952 100644
+--- a/src/wincerts.c
++++ b/src/wincerts.c
+@@ -33,6 +33,8 @@
+ # include <openssl/err.h>
+ # include <openssl/x509.h>
+ 
++#if OPENSSL_VERSION_NUMBER < 0x10100000L
++
+ static int op_capi_new(X509_LOOKUP *_lu){
+   HCERTSTORE h_store;
+   h_store=CertOpenStore(CERT_STORE_PROV_SYSTEM_A,0,0,
+@@ -171,3 +173,4 @@ int SSL_CTX_set_default_verify_paths_win32(SSL_CTX *_ssl_ctx){
+ }
+ 
+ #endif
++#endif
diff --git a/pkgs/applications/audio/scream/default.nix b/pkgs/applications/audio/scream/default.nix
new file mode 100644
index 00000000000..976ede5803d
--- /dev/null
+++ b/pkgs/applications/audio/scream/default.nix
@@ -0,0 +1,43 @@
+{ stdenv, lib, config, fetchFromGitHub, cmake, pkg-config
+, alsaSupport ? stdenv.isLinux, alsaLib
+, pulseSupport ? config.pulseaudio or stdenv.isLinux, libpulseaudio
+}:
+
+stdenv.mkDerivation rec {
+  pname = "scream";
+  version = "3.6";
+
+  src = fetchFromGitHub {
+    owner = "duncanthrax";
+    repo = pname;
+    rev = version;
+    sha256 = "01k2zhfb781gfj3apmcjqbm5m05m6pvnh7fb5k81zwvqibai000v";
+  };
+
+  buildInputs = lib.optional pulseSupport libpulseaudio
+    ++ lib.optional alsaSupport alsaLib;
+  nativeBuildInputs = [ cmake pkg-config ];
+
+  cmakeFlags = [
+    "-DPULSEAUDIO_ENABLE=${if pulseSupport then "ON" else "OFF"}"
+    "-DALSA_ENABLE=${if alsaSupport then "ON" else "OFF"}"
+  ];
+
+  cmakeDir = "../Receivers/unix";
+
+  doInstallCheck = true;
+  installCheckPhase = ''
+    set +o pipefail
+
+    # Programs exit with code 1 when testing help, so grep for a string
+    $out/bin/scream -h 2>&1 | grep -q Usage:
+  '';
+
+  meta = with lib; {
+    description = "Audio receiver for the Scream virtual network sound card";
+    homepage = "https://github.com/duncanthrax/scream";
+    license = licenses.mspl;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ arcnmx ];
+  };
+}
diff --git a/pkgs/applications/misc/jp2a/default.nix b/pkgs/applications/misc/jp2a/default.nix
index a48716a3dd2..96d506b556e 100644
--- a/pkgs/applications/misc/jp2a/default.nix
+++ b/pkgs/applications/misc/jp2a/default.nix
@@ -1,25 +1,43 @@
-{ lib, stdenv, fetchFromGitHub, libjpeg, autoreconfHook }:
+{ lib
+, stdenv
+, fetchFromGitHub
+, libjpeg
+, libpng
+, ncurses
+, autoreconfHook
+, autoconf-archive
+, pkg-config
+, bash-completion
+}:
 
 stdenv.mkDerivation rec {
-  version = "1.0.7";
+  version = "1.1.0";
   pname = "jp2a";
 
   src = fetchFromGitHub {
-    owner = "cslarsen";
+    owner = "Talinx";
     repo = "jp2a";
     rev = "v${version}";
-    sha256 = "12a1z9ba2j16y67f41y8ax5sgv1wdjd71pg7circdxkj263n78ql";
+    sha256 = "1dz2mrhl45f0vwyfx7qc3665xma78q024c10lfsgn6farrr0c2lb";
   };
 
   makeFlags = [ "PREFIX=$(out)" ];
 
-  nativeBuildInputs = [ autoreconfHook ];
-  buildInputs = [ libjpeg ];
+  nativeBuildInputs = [
+    autoreconfHook
+    autoconf-archive
+    pkg-config
+    bash-completion
+  ];
+  buildInputs = [ libjpeg libpng ncurses ];
+
+  installFlags = [ "bashcompdir=\${out}/share/bash-completion/completions" ];
 
   meta = with lib; {
     homepage = "https://csl.name/jp2a/";
     description = "A small utility that converts JPG images to ASCII";
-    license = licenses.gpl2;
+    license = licenses.gpl2Only;
+    maintainers = [ maintainers.FlorianFranzen ];
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/applications/networking/browsers/opera/default.nix b/pkgs/applications/networking/browsers/opera/default.nix
index eefe7af26a1..3598f7b617a 100644
--- a/pkgs/applications/networking/browsers/opera/default.nix
+++ b/pkgs/applications/networking/browsers/opera/default.nix
@@ -26,9 +26,11 @@
 , libXrandr
 , libXrender
 , libXtst
+, libdrm
 , libnotify
 , libpulseaudio
 , libuuid
+, mesa
 , nspr
 , nss
 , pango
@@ -88,9 +90,11 @@ in stdenv.mkDerivation rec {
     libXrandr
     libXrender
     libXtst
+    libdrm
     libnotify
     libuuid
     libxcb
+    mesa
     nspr
     nss
     pango
diff --git a/pkgs/applications/networking/browsers/qutebrowser/default.nix b/pkgs/applications/networking/browsers/qutebrowser/default.nix
index 5c3bbeb3c04..e5503e9d4cd 100644
--- a/pkgs/applications/networking/browsers/qutebrowser/default.nix
+++ b/pkgs/applications/networking/browsers/qutebrowser/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchurl, fetchzip, fetchpatch, python3
+{ lib, fetchurl, fetchzip, python3
 , mkDerivationWith, wrapQtAppsHook, wrapGAppsHook, qtbase, qtwebengine, glib-networking
 , asciidoc, docbook_xml_dtd_45, docbook_xsl, libxml2
 , libxslt, gst_all_1 ? null
@@ -31,12 +31,12 @@ let
 
 in mkDerivationWith python3Packages.buildPythonApplication rec {
   pname = "qutebrowser";
-  version = "2.2.0";
+  version = "2.2.1";
 
   # the release tarballs are different from the git checkout!
   src = fetchurl {
     url = "https://github.com/qutebrowser/qutebrowser/releases/download/v${version}/${pname}-${version}.tar.gz";
-    sha256 = "sha256:0anxhrkxqb35mxr7jr820xcfw0v514s92wffsiqap2a2sqaj0pgs";
+    sha256 = "sha256-JHymxnNPdMsVma3TUKCS+iRCe9J7I0A6iISP5OXtJm8=";
   };
 
   # Needs tox
@@ -69,11 +69,6 @@ in mkDerivationWith python3Packages.buildPythonApplication rec {
 
   patches = [
     ./fix-restart.patch
-    (fetchpatch {
-      name = "add-qtwebengine-version-override.patch";
-      url = "https://github.com/qutebrowser/qutebrowser/commit/febb921040b6670d9b1694a6ce55ae39384d1306.patch";
-      sha256 = "15p11kk8via7c7m14jiqgzc63qwxxzayr2bkl93jd10l2gx7pk9v";
-    })
   ];
 
   dontWrapGApps = true;
diff --git a/pkgs/applications/networking/cluster/terragrunt/default.nix b/pkgs/applications/networking/cluster/terragrunt/default.nix
index f643ae1e673..4cab638ba67 100644
--- a/pkgs/applications/networking/cluster/terragrunt/default.nix
+++ b/pkgs/applications/networking/cluster/terragrunt/default.nix
@@ -2,13 +2,13 @@
 
 buildGoModule rec {
   pname = "terragrunt";
-  version = "0.29.0";
+  version = "0.29.1";
 
   src = fetchFromGitHub {
     owner = "gruntwork-io";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-Ubft+R2nBUNRx3SfksORxBbKY/mSvY+tKkz1UcGXyjw=";
+    sha256 = "sha256-fr33DRFZrUZQELYMf8z5ShOZobwylgoiW+yi6qdtFP4=";
   };
 
   vendorSha256 = "sha256-qlSCQtiGHmlk3DyETMoQbbSYhuUSZTsvAnBKuDJI8x8=";
diff --git a/pkgs/development/compilers/gcc/11/Added-mcf-thread-model-support-from-mcfgthread.patch b/pkgs/development/compilers/gcc/11/Added-mcf-thread-model-support-from-mcfgthread.patch
new file mode 100644
index 00000000000..d9809e828f1
--- /dev/null
+++ b/pkgs/development/compilers/gcc/11/Added-mcf-thread-model-support-from-mcfgthread.patch
@@ -0,0 +1,306 @@
+From 86f2f767ddffd9f7c6f1470b987ae7b0d251b988 Mon Sep 17 00:00:00 2001
+From: Liu Hao <lh_mouse@126.com>
+Date: Wed, 25 Apr 2018 21:54:19 +0800
+Subject: [PATCH] Added 'mcf' thread model support from mcfgthread.
+
+Signed-off-by: Liu Hao <lh_mouse@126.com>
+---
+ config/gthr.m4                          |  1 +
+ gcc/config.gcc                          |  3 +++
+ gcc/config/i386/mingw-mcfgthread.h      |  1 +
+ gcc/config/i386/mingw-w64.h             |  2 +-
+ gcc/config/i386/mingw32.h               | 11 ++++++++++-
+ gcc/configure                           |  2 +-
+ gcc/configure.ac                        |  2 +-
+ libatomic/configure.tgt                 |  2 +-
+ libgcc/config.host                      |  6 ++++++
+ libgcc/config/i386/gthr-mcf.h           |  1 +
+ libgcc/config/i386/t-mingw-mcfgthread   |  2 ++
+ libgcc/configure                        |  1 +
+ libstdc++-v3/configure                  |  1 +
+ libstdc++-v3/libsupc++/atexit_thread.cc | 18 ++++++++++++++++++
+ libstdc++-v3/libsupc++/guard.cc         | 23 +++++++++++++++++++++++
+ libstdc++-v3/src/c++11/thread.cc        |  9 +++++++++
+ 16 files changed, 80 insertions(+), 5 deletions(-)
+ create mode 100644 gcc/config/i386/mingw-mcfgthread.h
+ create mode 100644 libgcc/config/i386/gthr-mcf.h
+ create mode 100644 libgcc/config/i386/t-mingw-mcfgthread
+
+diff --git a/config/gthr.m4 b/config/gthr.m4
+index 7b29f1f3327..82e21fe1709 100644
+--- a/config/gthr.m4
++++ b/config/gthr.m4
+@@ -21,6 +21,7 @@ case $1 in
+     tpf)	thread_header=config/s390/gthr-tpf.h ;;
+     vxworks)	thread_header=config/gthr-vxworks.h ;;
+     win32)	thread_header=config/i386/gthr-win32.h ;;
++    mcf)	thread_header=config/i386/gthr-mcf.h ;;
+ esac
+ AC_SUBST(thread_header)
+ ])
+diff --git a/gcc/config.gcc b/gcc/config.gcc
+index 46a9029acec..112c24e95a3 100644
+--- a/gcc/config.gcc
++++ b/gcc/config.gcc
+@@ -1758,6 +1758,9 @@ i[34567]86-*-mingw* | x86_64-*-mingw*)
+ 	if test x$enable_threads = xposix ; then
+ 		tm_file="${tm_file} i386/mingw-pthread.h"
+ 	fi
++	if test x$enable_threads = xmcf ; then
++		tm_file="${tm_file} i386/mingw-mcfgthread.h"
++	fi
+ 	tm_file="${tm_file} i386/mingw32.h"
+ 	# This makes the logic if mingw's or the w64 feature set has to be used
+ 	case ${target} in
+diff --git a/gcc/config/i386/mingw-mcfgthread.h b/gcc/config/i386/mingw-mcfgthread.h
+new file mode 100644
+index 00000000000..ec381a7798f
+--- /dev/null
++++ b/gcc/config/i386/mingw-mcfgthread.h
+@@ -0,0 +1 @@
++#define TARGET_USE_MCFGTHREAD 1
+diff --git a/gcc/config/i386/mingw-w64.h b/gcc/config/i386/mingw-w64.h
+index 484dc7a9e9f..a15bbeea500 100644
+--- a/gcc/config/i386/mingw-w64.h
++++ b/gcc/config/i386/mingw-w64.h
+@@ -48,7 +48,7 @@ along with GCC; see the file COPYING3.  If not see
+ 		 "%{mwindows:-lgdi32 -lcomdlg32} " \
+      "%{fvtable-verify=preinit:-lvtv -lpsapi; \
+         fvtable-verify=std:-lvtv -lpsapi} " \
+-		 "-ladvapi32 -lshell32 -luser32 -lkernel32"
++		 LIB_MCFGTHREAD "-ladvapi32 -lshell32 -luser32 -lkernel32"
+ 
+ #undef SPEC_32
+ #undef SPEC_64
+diff --git a/gcc/config/i386/mingw32.h b/gcc/config/i386/mingw32.h
+index 0612b87199a..76cea94f3b7 100644
+--- a/gcc/config/i386/mingw32.h
++++ b/gcc/config/i386/mingw32.h
+@@ -32,6 +32,14 @@ along with GCC; see the file COPYING3.  If not see
+ 	 | MASK_STACK_PROBE | MASK_ALIGN_DOUBLE \
+ 	 | MASK_MS_BITFIELD_LAYOUT)
+ 
++#ifndef TARGET_USE_MCFGTHREAD
++#define CPP_MCFGTHREAD()  ((void)0)
++#define LIB_MCFGTHREAD     ""
++#else
++#define CPP_MCFGTHREAD()  (builtin_define("__USING_MCFGTHREAD__"))
++#define LIB_MCFGTHREAD     " -lmcfgthread "
++#endif
++
+ /* See i386/crtdll.h for an alternative definition. _INTEGRAL_MAX_BITS
+    is for compatibility with native compiler.  */
+ #define EXTRA_OS_CPP_BUILTINS()					\
+@@ -50,6 +58,7 @@ along with GCC; see the file COPYING3.  If not see
+ 	  builtin_define_std ("WIN64");				\
+ 	  builtin_define ("_WIN64");				\
+ 	}							\
++	CPP_MCFGTHREAD();	\
+     }								\
+   while (0)
+ 
+@@ -93,7 +102,7 @@ along with GCC; see the file COPYING3.  If not see
+ 		 "%{mwindows:-lgdi32 -lcomdlg32} " \
+      "%{fvtable-verify=preinit:-lvtv -lpsapi; \
+         fvtable-verify=std:-lvtv -lpsapi} " \
+-                 "-ladvapi32 -lshell32 -luser32 -lkernel32"
++                 LIB_MCFGTHREAD "-ladvapi32 -lshell32 -luser32 -lkernel32"
+ 
+ /* Weak symbols do not get resolved if using a Windows dll import lib.
+    Make the unwind registration references strong undefs.  */
+diff --git a/gcc/configure b/gcc/configure
+index 6121e163259..52f0e00efe6 100755
+--- a/gcc/configure
++++ b/gcc/configure
+@@ -11693,7 +11693,7 @@ case ${enable_threads} in
+     target_thread_file='single'
+     ;;
+   aix | dce | lynx | mipssde | posix | rtems | \
+-  single | tpf | vxworks | win32)
++  single | tpf | vxworks | win32 | mcf)
+     target_thread_file=${enable_threads}
+     ;;
+   *)
+diff --git a/gcc/configure.ac b/gcc/configure.ac
+index b066cc609e1..4ecdba88de7 100644
+--- a/gcc/configure.ac
++++ b/gcc/configure.ac
+@@ -1612,7 +1612,7 @@ case ${enable_threads} in
+     target_thread_file='single'
+     ;;
+   aix | dce | lynx | mipssde | posix | rtems | \
+-  single | tpf | vxworks | win32)
++  single | tpf | vxworks | win32 | mcf)
+     target_thread_file=${enable_threads}
+     ;;
+   *)
+diff --git a/libatomic/configure.tgt b/libatomic/configure.tgt
+index ea8c34f8c71..23134ad7363 100644
+--- a/libatomic/configure.tgt
++++ b/libatomic/configure.tgt
+@@ -145,7 +145,7 @@ case "${target}" in
+   *-*-mingw*)
+ 	# OS support for atomic primitives.
+         case ${target_thread_file} in
+-          win32)
++          win32 | mcf)
+             config_path="${config_path} mingw"
+             ;;
+           posix)
+diff --git a/libgcc/config.host b/libgcc/config.host
+index 11b4acaff55..9fbd38650bd 100644
+--- a/libgcc/config.host
++++ b/libgcc/config.host
+@@ -737,6 +737,9 @@ i[34567]86-*-mingw*)
+ 	  posix)
+ 	    tmake_file="i386/t-mingw-pthread $tmake_file"
+ 	    ;;
++	  mcf)
++	    tmake_file="i386/t-mingw-mcfgthread $tmake_file"
++	    ;;
+ 	esac
+ 	# This has to match the logic for DWARF2_UNWIND_INFO in gcc/config/i386/cygming.h
+ 	if test x$ac_cv_sjlj_exceptions = xyes; then
+@@ -761,6 +764,9 @@ x86_64-*-mingw*)
+ 	  posix)
+ 	    tmake_file="i386/t-mingw-pthread $tmake_file"
+ 	    ;;
++	  mcf)
++	    tmake_file="i386/t-mingw-mcfgthread $tmake_file"
++	    ;;
+ 	esac
+ 	# This has to match the logic for DWARF2_UNWIND_INFO in gcc/config/i386/cygming.h
+ 	if test x$ac_cv_sjlj_exceptions = xyes; then
+diff --git a/libgcc/config/i386/gthr-mcf.h b/libgcc/config/i386/gthr-mcf.h
+new file mode 100644
+index 00000000000..5ea2908361f
+--- /dev/null
++++ b/libgcc/config/i386/gthr-mcf.h
+@@ -0,0 +1 @@
++#include <mcfgthread/gthread.h>
+diff --git a/libgcc/config/i386/t-mingw-mcfgthread b/libgcc/config/i386/t-mingw-mcfgthread
+new file mode 100644
+index 00000000000..4b9b10e32d6
+--- /dev/null
++++ b/libgcc/config/i386/t-mingw-mcfgthread
+@@ -0,0 +1,2 @@
++SHLIB_PTHREAD_CFLAG =
++SHLIB_PTHREAD_LDFLAG = -lmcfgthread
+diff --git a/libgcc/configure b/libgcc/configure
+index b2f3f870844..eff889dc3b3 100644
+--- a/libgcc/configure
++++ b/libgcc/configure
+@@ -5451,6 +5451,7 @@ case $target_thread_file in
+     tpf)	thread_header=config/s390/gthr-tpf.h ;;
+     vxworks)	thread_header=config/gthr-vxworks.h ;;
+     win32)	thread_header=config/i386/gthr-win32.h ;;
++    mcf)	thread_header=config/i386/gthr-mcf.h ;;
+ esac
+ 
+ 
+diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
+index ba094be6f15..979a5ab9ace 100755
+--- a/libstdc++-v3/configure
++++ b/libstdc++-v3/configure
+@@ -15187,6 +15187,7 @@ case $target_thread_file in
+     tpf)	thread_header=config/s390/gthr-tpf.h ;;
+     vxworks)	thread_header=config/gthr-vxworks.h ;;
+     win32)	thread_header=config/i386/gthr-win32.h ;;
++    mcf)	thread_header=config/i386/gthr-mcf.h ;;
+ esac
+ 
+ 
+diff --git a/libstdc++-v3/libsupc++/atexit_thread.cc b/libstdc++-v3/libsupc++/atexit_thread.cc
+index de920d714c6..665fb74bd6b 100644
+--- a/libstdc++-v3/libsupc++/atexit_thread.cc
++++ b/libstdc++-v3/libsupc++/atexit_thread.cc
+@@ -25,6 +25,22 @@
+ #include <cstdlib>
+ #include <new>
+ #include "bits/gthr.h"
++
++#ifdef __USING_MCFGTHREAD__
++
++#include <mcfgthread/gthread.h>
++
++extern "C" int
++__cxxabiv1::__cxa_thread_atexit (void (*dtor)(void *),
++				 void *obj, void *dso_handle)
++  _GLIBCXX_NOTHROW
++{
++  return ::_MCFCRT_AtThreadExit((void (*)(_MCFCRT_STD intptr_t))dtor, (_MCFCRT_STD intptr_t)obj) ? 0 : -1;
++  (void)dso_handle;
++}
++
++#else // __USING_MCFGTHREAD__
++
+ #ifdef _GLIBCXX_THREAD_ATEXIT_WIN32
+ #define WIN32_LEAN_AND_MEAN
+ #include <windows.h>
+@@ -167,3 +183,5 @@ __cxxabiv1::__cxa_thread_atexit (void (*dtor)(void *), void *obj, void */*dso_ha
+ }
+ 
+ #endif /* _GLIBCXX_HAVE___CXA_THREAD_ATEXIT_IMPL */
++
++#endif // __USING_MCFGTHREAD__
+diff --git a/libstdc++-v3/libsupc++/guard.cc b/libstdc++-v3/libsupc++/guard.cc
+index 3a2ec3ad0d6..8b4cc96199b 100644
+--- a/libstdc++-v3/libsupc++/guard.cc
++++ b/libstdc++-v3/libsupc++/guard.cc
+@@ -28,6 +28,27 @@
+ #include <cxxabi.h>
+ #include <exception>
+ #include <new>
++
++#ifdef __USING_MCFGTHREAD__
++
++#include <mcfgthread/gthread.h>
++
++namespace __cxxabiv1 {
++
++extern "C" int __cxa_guard_acquire(__guard *g){
++	return ::_MCFCRT_WaitForOnceFlagForever((::_MCFCRT_OnceFlag *)g) == ::_MCFCRT_kOnceResultInitial;
++}
++extern "C" void __cxa_guard_abort(__guard *g) throw() {
++	::_MCFCRT_SignalOnceFlagAsAborted((::_MCFCRT_OnceFlag *)g);
++}
++extern "C" void __cxa_guard_release(__guard *g) throw() {
++	::_MCFCRT_SignalOnceFlagAsFinished((::_MCFCRT_OnceFlag *)g);
++}
++
++}
++
++#else // __USING_MCFGTHREAD__
++
+ #include <ext/atomicity.h>
+ #include <ext/concurrence.h>
+ #include <bits/atomic_lockfree_defines.h>
+@@ -425,3 +446,5 @@ namespace __cxxabiv1
+ #endif
+   }
+ }
++
++#endif
+diff --git a/libstdc++-v3/src/c++11/thread.cc b/libstdc++-v3/src/c++11/thread.cc
+index 8238817c2e9..0c6a1f85f6f 100644
+--- a/libstdc++-v3/src/c++11/thread.cc
++++ b/libstdc++-v3/src/c++11/thread.cc
+@@ -55,6 +55,15 @@ static inline int get_nprocs()
+ #elif defined(_GLIBCXX_USE_SC_NPROC_ONLN)
+ # include <unistd.h>
+ # define _GLIBCXX_NPROCS sysconf(_SC_NPROC_ONLN)
++#elif defined(_WIN32)
++# include <windows.h>
++static inline int get_nprocs()
++{
++  SYSTEM_INFO sysinfo;
++  GetSystemInfo(&sysinfo);
++  return (int)sysinfo.dwNumberOfProcessors;
++}
++# define _GLIBCXX_NPROCS get_nprocs()
+ #else
+ # define _GLIBCXX_NPROCS 0
+ #endif
+-- 
+2.17.0
+
diff --git a/pkgs/development/compilers/gcc/11/default.nix b/pkgs/development/compilers/gcc/11/default.nix
new file mode 100644
index 00000000000..3a9f50be3e7
--- /dev/null
+++ b/pkgs/development/compilers/gcc/11/default.nix
@@ -0,0 +1,299 @@
+{ lib, stdenv, targetPackages, fetchurl, fetchpatch, noSysDirs
+, langC ? true, langCC ? true, langFortran ? false
+, langAda ? false
+, langObjC ? stdenv.targetPlatform.isDarwin
+, langObjCpp ? stdenv.targetPlatform.isDarwin
+, langGo ? false
+, reproducibleBuild ? true
+, profiledCompiler ? false
+, langJit ? false
+, staticCompiler ? false
+, # N.B. the defult is intentionally not from an `isStatic`. See
+  # https://gcc.gnu.org/install/configure.html - this is about target
+  # platform libraries not host platform ones unlike normal. But since
+  # we can't rebuild those without also rebuilding the compiler itself,
+  # we opt to always build everything unlike our usual policy.
+  enableShared ? true
+, enableLTO ? true
+, texinfo ? null
+, perl ? null # optional, for texi2pod (then pod2man)
+, gmp, mpfr, libmpc, gettext, which, patchelf
+, libelf                      # optional, for link-time optimizations (LTO)
+, isl ? null # optional, for the Graphite optimization framework.
+, zlib ? null
+, gnatboot ? null
+, enableMultilib ? false
+, enablePlugin ? stdenv.hostPlatform == stdenv.buildPlatform # Whether to support user-supplied plug-ins
+, name ? "gcc"
+, libcCross ? null
+, threadsCross ? null # for MinGW
+, crossStageStatic ? false
+, # Strip kills static libs of other archs (hence no cross)
+  stripped ? stdenv.hostPlatform.system == stdenv.buildPlatform.system
+          && stdenv.targetPlatform.system == stdenv.hostPlatform.system
+, gnused ? null
+, cloog # unused; just for compat with gcc4, as we override the parameter on some places
+, buildPackages
+}:
+
+# LTO needs libelf and zlib.
+assert libelf != null -> zlib != null;
+
+# Make sure we get GNU sed.
+assert stdenv.hostPlatform.isDarwin -> gnused != null;
+
+# The go frontend is written in c++
+assert langGo -> langCC;
+assert langAda -> gnatboot != null;
+
+# threadsCross is just for MinGW
+assert threadsCross != null -> stdenv.targetPlatform.isWindows;
+
+# profiledCompiler builds inject non-determinism in one of the compilation stages.
+# If turned on, we can't provide reproducible builds anymore
+assert reproducibleBuild -> profiledCompiler == false;
+
+with lib;
+with builtins;
+
+let majorVersion = "11";
+    version = "${majorVersion}.1.0";
+
+    inherit (stdenv) buildPlatform hostPlatform targetPlatform;
+
+    patches =
+         optional (targetPlatform != hostPlatform) ../libstdc++-target.patch
+      ++ optional noSysDirs ../no-sys-dirs.patch
+      /* ++ optional (hostPlatform != buildPlatform) (fetchpatch { # XXX: Refine when this should be applied
+        url = "https://git.busybox.net/buildroot/plain/package/gcc/${version}/0900-remove-selftests.patch?id=11271540bfe6adafbc133caf6b5b902a816f5f02";
+        sha256 = ""; # TODO: uncomment and check hash when available.
+      }) */
+      ++ optional langAda ../gnat-cflags.patch
+      ++ optional langFortran ../gfortran-driving.patch
+      ++ optional (targetPlatform.libc == "musl" && targetPlatform.isPower) ../ppc-musl.patch
+
+      # Obtain latest patch with ../update-mcfgthread-patches.sh
+      ++ optional (!crossStageStatic && targetPlatform.isMinGW) ./Added-mcf-thread-model-support-from-mcfgthread.patch;
+
+    /* Cross-gcc settings (build == host != target) */
+    crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
+    stageNameAddon = if crossStageStatic then "stage-static" else "stage-final";
+    crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-${stageNameAddon}-";
+
+in
+
+stdenv.mkDerivation ({
+  pname = "${crossNameAddon}${name}${if stripped then "" else "-debug"}";
+  inherit version;
+
+  builder = ../builder.sh;
+
+  src = fetchurl {
+    url = "mirror://gcc/releases/gcc-${version}/gcc-${version}.tar.xz";
+    sha256 = "1pwxrjhsymv90xzh0x42cxfnmhjinf2lnrrf3hj5jq1rm2w6yjjc";
+  };
+
+  inherit patches;
+
+  outputs = [ "out" "man" "info" ] ++ lib.optional (!langJit) "lib";
+  setOutputFlags = false;
+  NIX_NO_SELF_RPATH = true;
+
+  libc_dev = stdenv.cc.libc_dev;
+
+  hardeningDisable = [ "format" "pie" ];
+
+  # This should kill all the stdinc frameworks that gcc and friends like to
+  # insert into default search paths.
+  prePatch = lib.optionalString hostPlatform.isDarwin ''
+    substituteInPlace gcc/config/darwin-c.c \
+      --replace 'if (stdinc)' 'if (0)'
+
+    substituteInPlace libgcc/config/t-slibgcc-darwin \
+      --replace "-install_name @shlib_slibdir@/\$(SHLIB_INSTALL_NAME)" "-install_name ''${!outputLib}/lib/\$(SHLIB_INSTALL_NAME)"
+
+    substituteInPlace libgfortran/configure \
+      --replace "-install_name \\\$rpath/\\\$soname" "-install_name ''${!outputLib}/lib/\\\$soname"
+  '';
+
+  postPatch = ''
+    configureScripts=$(find . -name configure)
+    for configureScript in $configureScripts; do
+      patchShebangs $configureScript
+    done
+  '' + (
+    if targetPlatform != hostPlatform || stdenv.cc.libc != null then
+      # On NixOS, use the right path to the dynamic linker instead of
+      # `/lib/ld*.so'.
+      let
+        libc = if libcCross != null then libcCross else stdenv.cc.libc;
+      in
+        (
+        '' echo "fixing the \`GLIBC_DYNAMIC_LINKER', \`UCLIBC_DYNAMIC_LINKER', and \`MUSL_DYNAMIC_LINKER' macros..."
+           for header in "gcc/config/"*-gnu.h "gcc/config/"*"/"*.h
+           do
+             grep -q _DYNAMIC_LINKER "$header" || continue
+             echo "  fixing \`$header'..."
+             sed -i "$header" \
+                 -e 's|define[[:blank:]]*\([UCG]\+\)LIBC_DYNAMIC_LINKER\([0-9]*\)[[:blank:]]"\([^\"]\+\)"$|define \1LIBC_DYNAMIC_LINKER\2 "${libc.out}\3"|g' \
+                 -e 's|define[[:blank:]]*MUSL_DYNAMIC_LINKER\([0-9]*\)[[:blank:]]"\([^\"]\+\)"$|define MUSL_DYNAMIC_LINKER\1 "${libc.out}\2"|g'
+           done
+        ''
+        + lib.optionalString (targetPlatform.libc == "musl")
+        ''
+            sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
+        ''
+        )
+    else "")
+      + lib.optionalString targetPlatform.isAvr ''
+            makeFlagsArray+=(
+               'LIMITS_H_TEST=false'
+            )
+          '';
+
+  inherit noSysDirs staticCompiler crossStageStatic
+    libcCross crossMingw;
+
+  depsBuildBuild = [ buildPackages.stdenv.cc ];
+  nativeBuildInputs = [ texinfo which gettext ]
+    ++ (optional (perl != null) perl);
+
+  # For building runtime libs
+  depsBuildTarget =
+    (
+      if hostPlatform == buildPlatform then [
+        targetPackages.stdenv.cc.bintools # newly-built gcc will be used
+      ] else assert targetPlatform == hostPlatform; [ # build != host == target
+        stdenv.cc
+      ]
+    )
+    ++ optional targetPlatform.isLinux patchelf;
+
+  buildInputs = [
+    gmp mpfr libmpc libelf
+    targetPackages.stdenv.cc.bintools # For linking code at run-time
+  ] ++ (optional (isl != null) isl)
+    ++ (optional (zlib != null) zlib)
+    # The builder relies on GNU sed (for instance, Darwin's `sed' fails with
+    # "-i may not be used with stdin"), and `stdenvNative' doesn't provide it.
+    ++ (optional hostPlatform.isDarwin gnused)
+    ++ (optional langAda gnatboot)
+    ;
+
+  depsTargetTarget = optional (!crossStageStatic && threadsCross != null) threadsCross;
+
+  NIX_LDFLAGS = lib.optionalString  hostPlatform.isSunOS "-lm -ldl";
+
+  preConfigure = import ../common/pre-configure.nix {
+    inherit lib;
+    inherit version hostPlatform gnatboot langAda langGo langJit;
+  };
+
+  dontDisableStatic = true;
+
+  configurePlatforms = [ "build" "host" "target" ];
+
+  configureFlags = import ../common/configure-flags.nix {
+    inherit
+      lib
+      stdenv
+      targetPackages
+      crossStageStatic libcCross
+      version
+
+      gmp mpfr libmpc libelf isl
+
+      enableLTO
+      enableMultilib
+      enablePlugin
+      enableShared
+
+      langC
+      langCC
+      langFortran
+      langAda
+      langGo
+      langObjC
+      langObjCpp
+      langJit
+      ;
+  };
+
+  targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
+
+  buildFlags = optional
+    (targetPlatform == hostPlatform && hostPlatform == buildPlatform)
+    (if profiledCompiler then "profiledbootstrap" else "bootstrap");
+
+  dontStrip = !stripped;
+
+  installTargets = optional stripped "install-strip";
+
+  # https://gcc.gnu.org/install/specific.html#x86-64-x-solaris210
+  ${if hostPlatform.system == "x86_64-solaris" then "CC" else null} = "gcc -m64";
+
+  # Setting $CPATH and $LIBRARY_PATH to make sure both `gcc' and `xgcc' find the
+  # library headers and binaries, regarless of the language being compiled.
+  #
+  # Likewise, the LTO code doesn't find zlib.
+  #
+  # Cross-compiling, we need gcc not to read ./specs in order to build the g++
+  # compiler (after the specs for the cross-gcc are created). Having
+  # LIBRARY_PATH= makes gcc read the specs from ., and the build breaks.
+
+  CPATH = optionals (targetPlatform == hostPlatform) (makeSearchPathOutput "dev" "include" ([]
+    ++ optional (zlib != null) zlib
+  ));
+
+  LIBRARY_PATH = optionals (targetPlatform == hostPlatform) (makeLibraryPath (optional (zlib != null) zlib));
+
+  inherit
+    (import ../common/extra-target-flags.nix {
+      inherit lib stdenv crossStageStatic libcCross threadsCross;
+    })
+    EXTRA_FLAGS_FOR_TARGET
+    EXTRA_LDFLAGS_FOR_TARGET
+    ;
+
+  passthru = {
+    inherit langC langCC langObjC langObjCpp langAda langFortran langGo version;
+    isGNU = true;
+  };
+
+  enableParallelBuilding = true;
+  inherit enableMultilib;
+
+  inherit (stdenv) is64bit;
+
+  meta = {
+    homepage = "https://gcc.gnu.org/";
+    license = lib.licenses.gpl3Plus;  # runtime support libraries are typically LGPLv3+
+    description = "GNU Compiler Collection, version ${version}"
+      + (if stripped then "" else " (with debugging info)");
+
+    longDescription = ''
+      The GNU Compiler Collection includes compiler front ends for C, C++,
+      Objective-C, Fortran, OpenMP for C/C++/Fortran, and Ada, as well as
+      libraries for these languages (libstdc++, libgomp,...).
+
+      GCC development is a part of the GNU Project, aiming to improve the
+      compiler used in the GNU system including the GNU/Linux variant.
+    '';
+
+    maintainers = with lib.maintainers; [ synthetica ];
+
+    platforms =
+      lib.platforms.linux ++
+      lib.platforms.freebsd ++
+      lib.platforms.illumos ++
+      lib.platforms.darwin;
+  };
+}
+
+// optionalAttrs (targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt" && crossStageStatic) {
+  makeFlags = [ "all-gcc" "all-target-libgcc" ];
+  installTargets = "install-gcc install-target-libgcc";
+}
+
+// optionalAttrs (enableMultilib) { dontMoveLib64 = true; }
+)
diff --git a/pkgs/development/libraries/avro-c/default.nix b/pkgs/development/libraries/avro-c/default.nix
index a5acd7c7898..95e3053b534 100644
--- a/pkgs/development/libraries/avro-c/default.nix
+++ b/pkgs/development/libraries/avro-c/default.nix
@@ -1,14 +1,14 @@
 { lib, stdenv, cmake, fetchurl, pkg-config, jansson, zlib }:
 
 let
-  version = "1.9.1";
+  version = "1.10.2";
 in stdenv.mkDerivation {
   pname = "avro-c";
   inherit version;
 
   src = fetchurl {
     url = "mirror://apache/avro/avro-${version}/c/avro-c-${version}.tar.gz";
-    sha256 = "0hj6w1w5mqkhnhkvjc0zz5njnnrbcjv5ml4f8gq80wff2cgbrxvx";
+    sha256 = "sha256-rj+zK+xKBon1Rn4JIBGS7cbo80ITTvBq1FLKhw9Wt+I=";
   };
 
   postPatch = ''
diff --git a/pkgs/development/libraries/libopus/default.nix b/pkgs/development/libraries/libopus/default.nix
index 51179ecb9a0..8172bd38e10 100644
--- a/pkgs/development/libraries/libopus/default.nix
+++ b/pkgs/development/libraries/libopus/default.nix
@@ -24,6 +24,6 @@ stdenv.mkDerivation {
     description = "Open, royalty-free, highly versatile audio codec";
     license = lib.licenses.bsd3;
     homepage = "https://www.opus-codec.org/";
-    platforms = platforms.unix;
+    platforms = platforms.all;
   };
 }
diff --git a/pkgs/development/libraries/lmdb/default.nix b/pkgs/development/libraries/lmdb/default.nix
index d8d034b04b7..d1a68cc66c6 100644
--- a/pkgs/development/libraries/lmdb/default.nix
+++ b/pkgs/development/libraries/lmdb/default.nix
@@ -1,13 +1,15 @@
-{ lib, stdenv, fetchgit }:
+{ lib, stdenv, fetchFromGitLab }:
 
 stdenv.mkDerivation rec {
   pname = "lmdb";
   version = "0.9.29";
 
-  src = fetchgit {
-    url = "https://git.openldap.org/openldap/openldap.git";
+  src = fetchFromGitLab {
+    domain = "git.openldap.org";
+    owner = "openldap";
+    repo = "openldap";
     rev = "LMDB_${version}";
-    sha256 = "0airps4cd0d91nbgy7hgvifa801snxwxzwxyr6pdv61plsi7h8l3";
+    sha256 = "19zq5s1amrv1fhw1aszcn2w2xjrk080l6jj5hc9f46yiqf98jjg3";
   };
 
   postUnpack = "sourceRoot=\${sourceRoot}/libraries/liblmdb";
@@ -52,7 +54,7 @@ stdenv.mkDerivation rec {
       offering the persistence of standard disk-based databases, and is only
       limited to the size of the virtual address space.
     '';
-    homepage = "http://symas.com/mdb/";
+    homepage = "https://symas.com/lmdb/";
     maintainers = with maintainers; [ jb55 vcunat ];
     license = licenses.openldap;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/science/astronomy/indilib/default.nix b/pkgs/development/libraries/science/astronomy/indilib/default.nix
index f7966046fa8..7a9a5a80700 100644
--- a/pkgs/development/libraries/science/astronomy/indilib/default.nix
+++ b/pkgs/development/libraries/science/astronomy/indilib/default.nix
@@ -15,13 +15,13 @@
 
 stdenv.mkDerivation rec {
   pname = "indilib";
-  version = "1.8.9";
+  version = "1.9.0";
 
   src = fetchFromGitHub {
     owner = "indilib";
     repo = "indi";
     rev = "v${version}";
-    sha256 = "sha256-W6LfrKL56K1B6srEfbNcq1MZwg7Oj8qoJkQ83ZhYhFs=";
+    sha256 = "sha256-YdVBzhz+Gim27/Js5MhEJNukoXp5eK9/dZ+JQVyls0M=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/libraries/science/astronomy/indilib/indi-3rdparty.nix b/pkgs/development/libraries/science/astronomy/indilib/indi-3rdparty.nix
index 34ef4088713..5909a06cfb5 100644
--- a/pkgs/development/libraries/science/astronomy/indilib/indi-3rdparty.nix
+++ b/pkgs/development/libraries/science/astronomy/indilib/indi-3rdparty.nix
@@ -1,6 +1,5 @@
 { stdenv
 , lib
-, fetchFromGitHub
 , cmake
 , cfitsio
 , libusb1
@@ -18,39 +17,54 @@
 , libdc1394
 , gpsd
 , ffmpeg
+, version
+, src
+, withFirmware ? false
+, firmware ? null
 }:
 
 stdenv.mkDerivation rec {
   pname = "indi-3rdparty";
-  version = "1.8.9";
 
-  src = fetchFromGitHub {
-    owner = "indilib";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "0klvknhp7l6y2ab4vyv4jq7znk1gjl5b3709kyplm7dsh4b8bppy";
-  };
-
-  cmakeFlags = [
-    "-DINDI_DATA_DIR=\${CMAKE_INSTALL_PREFIX}/share/indi"
-    "-DCMAKE_INSTALL_LIBDIR=lib"
-    "-DUDEVRULES_INSTALL_DIR=lib/udev/rules.d"
-    "-DRULES_INSTALL_DIR=lib/udev/rules.d"
-    "-DWITH_SX=off"
-    "-DWITH_SBIG=off"
-    "-DWITH_APOGEE=off"
-    "-DWITH_FISHCAMP=off"
-    "-DWITH_DSI=off"
-    "-DWITH_QHY=off"
-    "-DWITH_ARMADILLO=off"
-    "-DWITH_PENTAX=off"
-  ];
+  inherit version src;
 
   nativeBuildInputs = [ cmake ];
 
   buildInputs = [
     indilib libnova curl cfitsio libusb1 zlib boost gsl gpsd
     libjpeg libgphoto2 libraw libftdi1 libdc1394 ffmpeg fftw
+  ] ++ lib.optionals withFirmware [
+    firmware
+  ];
+
+  postPatch = ''
+    for f in indi-qsi/CMakeLists.txt \
+             indi-dsi/CMakeLists.txt \
+             indi-armadillo-platypus/CMakeLists.txt
+    do
+      substituteInPlace $f \
+        --replace "/lib/udev/rules.d" "lib/udev/rules.d" \
+        --replace "/etc/udev/rules.d" "lib/udev/rules.d" \
+        --replace "/lib/firmware" "lib/firmware"
+    done
+  '';
+
+  cmakeFlags = [
+    "-DINDI_DATA_DIR=share/indi"
+    "-DCMAKE_INSTALL_LIBDIR=lib"
+    "-DUDEVRULES_INSTALL_DIR=lib/udev/rules.d"
+    "-DRULES_INSTALL_DIR=lib/udev/rules.d"
+    # Pentax, Atik, and SX cmakelists are currently broken
+    "-DWITH_PENTAX=off"
+    "-DWITH_ATIK=off"
+    "-DWITH_SX=off"
+  ] ++ lib.optionals (!withFirmware) [
+    "-DWITH_APOGEE=off"
+    "-DWITH_DSI=off"
+    "-DWITH_QHY=off"
+    "-DWITH_ARMADILLO=off"
+    "-DWITH_FISHCAMP=off"
+    "-DWITH_SBIG=off"
   ];
 
   meta = with lib; {
diff --git a/pkgs/development/libraries/science/astronomy/indilib/indi-firmware.nix b/pkgs/development/libraries/science/astronomy/indilib/indi-firmware.nix
new file mode 100644
index 00000000000..d23673ac37a
--- /dev/null
+++ b/pkgs/development/libraries/science/astronomy/indilib/indi-firmware.nix
@@ -0,0 +1,66 @@
+{ stdenv
+, lib
+, cmake
+, cfitsio
+, libusb1
+, zlib
+, boost
+, libnova
+, curl
+, libjpeg
+, gsl
+, fftw
+, indilib
+, libgphoto2
+, libraw
+, libftdi1
+, libdc1394
+, gpsd
+, ffmpeg
+, version
+, src
+}:
+
+stdenv.mkDerivation rec {
+  pname = "indi-firmware";
+
+  inherit version src;
+
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [
+    indilib libnova curl cfitsio libusb1 zlib boost gsl gpsd
+    libjpeg libgphoto2 libraw libftdi1 libdc1394 ffmpeg fftw
+  ];
+
+  cmakeFlags = [
+    "-DINDI_DATA_DIR=\${CMAKE_INSTALL_PREFIX}/share/indi"
+    "-DCMAKE_INSTALL_LIBDIR=lib"
+    "-DUDEVRULES_INSTALL_DIR=lib/udev/rules.d"
+    "-DRULES_INSTALL_DIR=lib/udev/rules.d"
+    "-DFIRMWARE_INSTALL_DIR=\${CMAKE_INSTALL_PREFIX}/lib/firmware"
+    "-DCONF_DIR=etc"
+    "-DBUILD_LIBS=1"
+    "-DWITH_PENTAX=off"
+  ];
+
+  postPatch = ''
+    for f in libfishcamp/CMakeLists.txt libsbig/CMakeLists.txt
+    do
+      substituteInPlace $f --replace "/lib/firmware" "lib/firmware"
+    done
+  '';
+
+  postFixup = ''
+    rm $out/lib/udev/rules.d/99-fli.rules
+  '';
+
+  meta = with lib; {
+    homepage = "https://www.indilib.org/";
+    description = "Third party firmware for the INDI astronomical software suite";
+    changelog = "https://github.com/indilib/indi-3rdparty/releases/tag/v${version}";
+    license = licenses.lgpl2Plus;
+    maintainers = with maintainers; [ hjones2199 ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/development/libraries/science/astronomy/indilib/indi-full.nix b/pkgs/development/libraries/science/astronomy/indilib/indi-full.nix
index e52da9f2eab..50aa9fb8b4a 100644
--- a/pkgs/development/libraries/science/astronomy/indilib/indi-full.nix
+++ b/pkgs/development/libraries/science/astronomy/indilib/indi-full.nix
@@ -1,11 +1,30 @@
-{ callPackage, indilib, indi-3rdparty }:
+{ stdenv, lib, callPackage, fetchFromGitHub, indilib }:
 
 let
-  indi-with-drivers = ./indi-with-drivers.nix;
+  indi-version = "1.9.0";
+  indi-3rdparty-src = fetchFromGitHub {
+    owner = "indilib";
+    repo = "indi-3rdparty";
+    rev = "v${indi-version}";
+    sha256 = "sha256-5VR1MN52a0ZtaHYw4lD6LWmnvc1oHlfE5GLGbfBKvqE=";
+  };
+  indi-firmware = callPackage ./indi-firmware.nix {
+    version = indi-version;
+    src = indi-3rdparty-src;
+  };
+  indi-3rdparty = callPackage ./indi-3rdparty.nix {
+    version = indi-version;
+    src = indi-3rdparty-src;
+    withFirmware = stdenv.isx86_64;
+    firmware = indi-firmware;
+  };
 in
-callPackage indi-with-drivers {
-  pkgName = "indi-full";
+callPackage ./indi-with-drivers.nix {
+  pname = "indi-full";
+  version = indi-version;
   extraDrivers = [
     indi-3rdparty
+  ] ++ lib.optionals stdenv.isx86_64 [
+    indi-firmware
   ];
 }
diff --git a/pkgs/development/libraries/science/astronomy/indilib/indi-with-drivers.nix b/pkgs/development/libraries/science/astronomy/indilib/indi-with-drivers.nix
index 27ac86ddbad..5ec1acdf21e 100644
--- a/pkgs/development/libraries/science/astronomy/indilib/indi-with-drivers.nix
+++ b/pkgs/development/libraries/science/astronomy/indilib/indi-with-drivers.nix
@@ -1,7 +1,7 @@
-{ buildEnv, indilib ? indilib, extraDrivers ? null , pkgName ? "indi-with-drivers" }:
+{ buildEnv, indilib ? indilib, pname ? "indi-with-drivers", version ? null, extraDrivers ? null }:
 
 buildEnv {
-  name = pkgName;
+  name = "${pname}-${version}";
   paths = [
     indilib
   ]
diff --git a/pkgs/development/libraries/zlib/default.nix b/pkgs/development/libraries/zlib/default.nix
index da8aac5229b..998550d1fee 100644
--- a/pkgs/development/libraries/zlib/default.nix
+++ b/pkgs/development/libraries/zlib/default.nix
@@ -84,7 +84,7 @@ stdenv.mkDerivation (rec {
   ''
     # Non-typical naming confuses libtool which then refuses to use zlib's DLL
     # in some cases, e.g. when compiling libpng.
-  + lib.optionalString (stdenv.hostPlatform.libc == "msvcrt") ''
+  + lib.optionalString (stdenv.hostPlatform.libc == "msvcrt" && shared) ''
     ln -s zlib1.dll $out/bin/libz.dll
   '';
 
diff --git a/pkgs/development/python-modules/deepdiff/default.nix b/pkgs/development/python-modules/deepdiff/default.nix
index 83140ff0bb0..e414d863350 100644
--- a/pkgs/development/python-modules/deepdiff/default.nix
+++ b/pkgs/development/python-modules/deepdiff/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "deepdiff";
-  version = "5.3.0";
+  version = "5.5.0";
   format = "setuptools";
 
   # pypi source does not contain all fixtures required for tests
@@ -20,7 +20,7 @@ buildPythonPackage rec {
     owner = "seperman";
     repo = "deepdiff";
     rev = version;
-    sha256 = "1izw2qpd93nj948zakamjn7q7dlmmr7sapg0c65hxvs0nmij8sl4";
+    sha256 = "sha256-PQijGub0sAW0aBYI+Ir89SraXaWx7OcQ+txZSqodJ6w=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/tools/analysis/flow/default.nix b/pkgs/development/tools/analysis/flow/default.nix
index 8c8ea1a5ffc..64efad50817 100644
--- a/pkgs/development/tools/analysis/flow/default.nix
+++ b/pkgs/development/tools/analysis/flow/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "flow";
-  version = "0.149.0";
+  version = "0.150.0";
 
   src = fetchFromGitHub {
     owner  = "facebook";
     repo   = "flow";
     rev    = "refs/tags/v${version}";
-    sha256 = "sha256-/pNCEsCKfYh/jo+3x7usRyPNBRJB4gDu2TAgosSw37c=";
+    sha256 = "sha256-75QSM2v4xDCkDnxW6Qb2ZGiWClOSDCd0jSrUdupMXxY=";
   };
 
   installPhase = ''
diff --git a/pkgs/development/tools/aws-sam-cli/default.nix b/pkgs/development/tools/aws-sam-cli/default.nix
index 1429fcab4c6..3837e2e3707 100644
--- a/pkgs/development/tools/aws-sam-cli/default.nix
+++ b/pkgs/development/tools/aws-sam-cli/default.nix
@@ -5,11 +5,11 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "aws-sam-cli";
-  version = "1.14.0";
+  version = "1.23.0";
 
   src = python3.pkgs.fetchPypi {
     inherit pname version;
-    sha256 = "E+xIS0Z3M/ilBswH8XwXWnGb9gbDRuuKKE39qau9fFc=";
+    sha256 = "0j0q6p08c3l9z0yc2cggw797k47cjh6ljpchiqgg0fh6mk32215f";
   };
 
   # Tests are not included in the PyPI package
@@ -40,10 +40,8 @@ python3.pkgs.buildPythonApplication rec {
   # fix over-restrictive version bounds
   postPatch = ''
     substituteInPlace requirements/base.txt \
-      --replace "boto3~=1.14.23" "boto3~=1.14" \
       --replace "dateparser~=0.7" "dateparser>=0.7" \
       --replace "docker~=4.2.0" "docker>=4.2.0" \
-      --replace "python-dateutil~=2.6, <2.8.1" "python-dateutil~=2.6" \
       --replace "requests==2.23.0" "requests~=2.24" \
       --replace "watchdog==0.10.3" "watchdog"
   '';
diff --git a/pkgs/development/tools/electron/default.nix b/pkgs/development/tools/electron/default.nix
index ddd51f268e2..077d6c74c8b 100644
--- a/pkgs/development/tools/electron/default.nix
+++ b/pkgs/development/tools/electron/default.nix
@@ -104,12 +104,12 @@ rec {
     headers = "00gln9jlb621gvxx1z7s212wakjbdigdqv02vx1pjvkg62aazg8j";
   };
 
-  electron_12 = mkElectron "12.0.4" {
-    x86_64-linux = "6419716f614f396954981e6432afe77277dff2b64ecb84e2bbd6d740362ea01c";
-    x86_64-darwin = "3072f1854eb5b91d5f24e03a313583bb85d696cda48381bdf3e40ee2c93dfe34";
-    i686-linux = "fa241874aacca8fe4b4f940fa9133fe65fdcf9ef0847322332f0c67ee7b42aa0";
-    armv7l-linux = "8d88d13bf117820bc3b46501d34004f18ebf402f2817836a2a7ba4fc60433653";
-    aarch64-linux = "c5cbcbb5b397407e45e682480b30da4fcf94154ac92d8f6eea4c79a50d56626a";
-    headers = "121falvhz0bfxc2h7wwvyfqdagr3aznida4f4phzqp0ja3rznxf3";
+  electron_12 = mkElectron "12.0.5" {
+    x86_64-linux = "e89c97f7ee43bf08f2ddaba12c3b78fb26a738c0ea7608561f5e06c8ef37e22b";
+    x86_64-darwin = "c5a5e8128478e2dd09fc7222fb0f562ed3aefa3c12470f1811345be03e9d3b76";
+    i686-linux = "6ef8d93be6b05b66cb7c1f1640228dc1215d02851e190e7f16e4313d8ccd6135";
+    armv7l-linux = "7312956ee48b1a8c02d778cac00e644e8cb27706cf4b387e91c3b062a1599a75";
+    aarch64-linux = "7b2dc425ce70b94ef71b74ed59416e70c4285ae13ef7ea03505c1aafab44904f";
+    headers = "1aqjhams0zvgq2bm9hc578ylmahi6qggzjfc69kh9vpv2sylimy9";
   };
 }
diff --git a/pkgs/development/tools/flip-link/default.nix b/pkgs/development/tools/flip-link/default.nix
new file mode 100644
index 00000000000..36467848c4f
--- /dev/null
+++ b/pkgs/development/tools/flip-link/default.nix
@@ -0,0 +1,22 @@
+{ lib, rustPlatform, fetchFromGitHub }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "flip-link";
+  version = "0.1.3";
+
+  src = fetchFromGitHub {
+    owner = "knurling-rs";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0x6l5aps0aryf3iqiyk969zrq77bm95jvm6f0f5vqqqizxjd3yfl";
+  };
+
+  cargoSha256 = "13rgpbwaz2b928rg15lbaszzjymph54pwingxpszp5paihx4iayr";
+
+  meta = with lib; {
+    description = "Adds zero-cost stack overflow protection to your embedded programs";
+    homepage = "https://github.com/knurling-rs/flip-link";
+    license = with licenses; [ asl20 mit ];
+    maintainers = [ maintainers.FlorianFranzen ];
+  };
+}
diff --git a/pkgs/development/tools/git-quick-stats/default.nix b/pkgs/development/tools/git-quick-stats/default.nix
index 7f0db1f712c..3f045046822 100644
--- a/pkgs/development/tools/git-quick-stats/default.nix
+++ b/pkgs/development/tools/git-quick-stats/default.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation rec {
   pname = "git-quick-stats";
-  version = "2.1.8";
+  version = "2.1.9";
 
   src = fetchFromGitHub {
     repo = "git-quick-stats";
     owner = "arzzen";
     rev = version;
-    sha256 = "sha256-sK8HOfeiV0xn540bU7inZl/hV6uzitJ4Szqk96a8DMc=";
+    sha256 = "sha256-2rrwbEXwBBuussybCZFbAEjNwm/ztbXw1jUlTnxPINA=";
   };
 
   nativeBuildInputs = [ makeWrapper ];
diff --git a/pkgs/development/tools/rust/svd2rust/cargo-lock.patch b/pkgs/development/tools/rust/svd2rust/cargo-lock.patch
index 5cd1f685fc1..acc9b053593 100644
--- a/pkgs/development/tools/rust/svd2rust/cargo-lock.patch
+++ b/pkgs/development/tools/rust/svd2rust/cargo-lock.patch
@@ -2,102 +2,149 @@ diff --git a/Cargo.lock b/Cargo.lock
 new file mode 100644
 --- /dev/null
 +++ b/Cargo.lock
-@@ -0,0 +1,278 @@
+@@ -0,0 +1,469 @@
++# This file is automatically @generated by Cargo.
++# It is not intended for manual editing.
++[[package]]
++name = "aho-corasick"
++version = "0.7.15"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "memchr 2.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
 +[[package]]
 +name = "ansi_term"
 +version = "0.11.0"
 +source = "registry+https://github.com/rust-lang/crates.io-index"
 +dependencies = [
-+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
++ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 +]
 +
 +[[package]]
++name = "anyhow"
++version = "1.0.40"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++
++[[package]]
 +name = "atty"
-+version = "0.2.11"
++version = "0.2.14"
 +source = "registry+https://github.com/rust-lang/crates.io-index"
 +dependencies = [
-+ "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
++ "hermit-abi 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
++ "libc 0.2.94 (registry+https://github.com/rust-lang/crates.io-index)",
++ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 +]
 +
 +[[package]]
 +name = "autocfg"
-+version = "0.1.1"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+
-+[[package]]
-+name = "backtrace"
-+version = "0.3.13"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+dependencies = [
-+ "autocfg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "rustc-demangle 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
-+]
-+
-+[[package]]
-+name = "backtrace-sys"
-+version = "0.1.28"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+dependencies = [
-+ "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
-+]
-+
-+[[package]]
-+name = "bitflags"
-+version = "0.7.0"
++version = "1.0.1"
 +source = "registry+https://github.com/rust-lang/crates.io-index"
 +
 +[[package]]
 +name = "bitflags"
-+version = "1.0.4"
++version = "1.2.1"
 +source = "registry+https://github.com/rust-lang/crates.io-index"
 +
 +[[package]]
 +name = "cast"
-+version = "0.2.2"
-+source = "registry+https://github.com/rust-lang/crates.io-index"
-+
-+[[package]]
-+name = "cc"
-+version = "1.0.28"
++version = "0.2.5"
 +source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
++]
 +
 +[[package]]
 +name = "cfg-if"
-+version = "0.1.6"
++version = "1.0.0"
 +source = "registry+https://github.com/rust-lang/crates.io-index"
 +
 +[[package]]
 +name = "clap"
-+version = "2.32.0"
++version = "2.33.3"
 +source = "registry+https://github.com/rust-lang/crates.io-index"
 +dependencies = [
 + "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
-+ "vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
++ "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
++ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
++ "strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
++ "textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
++ "unicode-width 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
++ "vec_map 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
++[[package]]
++name = "crossbeam-channel"
++version = "0.5.1"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
++ "crossbeam-utils 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
++[[package]]
++name = "crossbeam-deque"
++version = "0.8.0"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
++ "crossbeam-epoch 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
++ "crossbeam-utils 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
++]
++
++[[package]]
++name = "crossbeam-epoch"
++version = "0.9.3"
++source = "registry+https://github.com/rust-lang/crates.io-index"
++dependencies = [
++ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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-+"checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
-+"checksum rustc-demangle 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "adacaae16d02b6ec37fdc7acfcddf365978de76d1983d3ee22afc260e1ca9619"
-+"checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
-+"checksum svd-parser 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f22b4579485b26262f36086d6b74903befc043a57f8377dfcf05bcf5335cb251"
-+"checksum syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
-+"checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
-+"checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
-+"checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
-+"checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
-+"checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
-+"checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
-+"checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
++"checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
++"checksum libc 0.2.94 (registry+https://github.com/rust-lang/crates.io-index)" = "18794a8ad5b29321f790b55d93dfba91e125cb1a9edbd4f8e3150acc771c1a5e"
++"checksum log 0.4.14 (registry+https://github.com/rust-lang/crates.io-index)" = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
++"checksum memchr 2.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
++"checksum memoffset 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "f83fb6581e8ed1f85fd45c116db8405483899489e38406156c25eb743554361d"
++"checksum num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "05499f3756671c15885fee9034446956fff3f243d6077b91e5767df161f766b3"
++"checksum once_cell 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
++"checksum proc-macro2 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)" = "a152013215dca273577e18d2bf00fa862b89b24169fb78c4c95aeb07992c9cec"
++"checksum quick-error 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
++"checksum quote 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)" = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
++"checksum rayon 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8b0d8e0819fadc20c74ea8373106ead0600e3a67ef1fe8da56e39b9ae7275674"
++"checksum rayon-core 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9ab346ac5921dc62ffa9f89b7a773907511cdfa5490c572ae9be1be33e8afa4a"
++"checksum regex 1.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2a26af418b574bd56588335b3a3659a65725d4e636eb1016c2f9e3b38c7cc759"
++"checksum regex-syntax 0.6.23 (registry+https://github.com/rust-lang/crates.io-index)" = "24d5f089152e60f62d28b835fbff2cd2e8dc0baf1ac13343bef92ab7eed84548"
++"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
++"checksum scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
++"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
++"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
++"checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
++"checksum svd-parser 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6b787831d8f6a1549ccd1b0d62772d0526425a7da687f0f98591ab18e53bfe98"
++"checksum syn 1.0.70 (registry+https://github.com/rust-lang/crates.io-index)" = "b9505f307c872bab8eb46f77ae357c8eba1fdacead58ee5a850116b1d7f82883"
++"checksum termcolor 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
++"checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
++"checksum thiserror 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)" = "e0f4a65597094d4483ddaed134f409b2cb7c1beccf25201a9f73c719254fa98e"
++"checksum thiserror-impl 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)" = "7765189610d8241a44529806d6fd1f2e0a08734313a35d5b3a556f92b381f3c0"
++"checksum unicode-width 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
++"checksum unicode-xid 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
++"checksum vec_map 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
++"checksum winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
 +"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
++"checksum winapi-util 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
 +"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-+"checksum xml-rs 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "7ec6c39eaa68382c8e31e35239402c0a9489d4141a8ceb0c716099a0b515b562"
-+"checksum xmltree 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "472a9d37c7c53ab2391161df5b89b1f3bf76dab6ab150d7941ecbdd832282082"
++"checksum xml-rs 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3c1cb601d29fe2c2ac60a2b2e5e293994d87a1f6fa9687a31a15270f909be9c2"
++"checksum xmltree 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff8eaee9d17062850f1e6163b509947969242990ee59a35801af437abe041e70"
diff --git a/pkgs/development/tools/rust/svd2rust/default.nix b/pkgs/development/tools/rust/svd2rust/default.nix
index 6ec06fffe21..8afb9c033cb 100644
--- a/pkgs/development/tools/rust/svd2rust/default.nix
+++ b/pkgs/development/tools/rust/svd2rust/default.nix
@@ -4,20 +4,17 @@ with rustPlatform;
 
 buildRustPackage rec {
   pname = "svd2rust";
-  version = "0.14.0";
+  version = "0.18.0";
 
   src = fetchFromGitHub {
     owner = "rust-embedded";
     repo = "svd2rust";
     rev = "v${version}";
-    sha256 = "1a0ldmjkhyv5c52gcq8p8avkj0cgj1b367w6hm85bxdf5j4y8rra";
+    sha256 = "1p0zq3q4g9lr0ghavp7v1dwsqq19lkljkm1i2hsb1sk3pxa1f69n";
   };
   cargoPatches = [ ./cargo-lock.patch ];
 
-  cargoSha256 = "0n0xc8b982ra007l6gygssf1n60gfc2rphwyi7n95dbys1chciyg";
-
-  # doc tests fail due to missing dependency
-  doCheck = false;
+  cargoSha256 = "0c0f86x17fzav5q76z3ha3g00rbgyz2lm5a5v28ggy0jmg9xgsv6";
 
   meta = with lib; {
     description = "Generate Rust register maps (`struct`s) from SVD files";
diff --git a/pkgs/games/shticker-book-unwritten/default.nix b/pkgs/games/shticker-book-unwritten/default.nix
index dd286ce0941..0179c7c86e8 100644
--- a/pkgs/games/shticker-book-unwritten/default.nix
+++ b/pkgs/games/shticker-book-unwritten/default.nix
@@ -8,6 +8,7 @@ in buildFHSUserEnv {
   targetPkgs = pkgs: with pkgs; [
       alsaLib
       xorg.libX11
+      xorg.libXcursor
       xorg.libXext
       libglvnd
       shticker-book-unwritten-unwrapped
diff --git a/pkgs/games/shticker-book-unwritten/unwrapped.nix b/pkgs/games/shticker-book-unwritten/unwrapped.nix
index 411bea6b00a..638a9ae792e 100644
--- a/pkgs/games/shticker-book-unwritten/unwrapped.nix
+++ b/pkgs/games/shticker-book-unwritten/unwrapped.nix
@@ -12,7 +12,7 @@ rustPlatform.buildRustPackage rec {
   };
 
   cargoPatches = [ ./cargo-lock.patch ];
-  cargoSha256 = "1lnhdr8mri1ns9lxj6aks4vs2v4fvg7mcriwzwj78inpi1l0xqk5";
+  cargoSha256 = "1d4mnfzkdbqnjmqk7fl4bsy27lr7wnq997nz0hflaybnx2d3nisn";
 
   nativeBuildInputs = [ pkg-config ];
 
diff --git a/pkgs/misc/scream-receivers/default.nix b/pkgs/misc/scream-receivers/default.nix
deleted file mode 100644
index 6c0f73f1b25..00000000000
--- a/pkgs/misc/scream-receivers/default.nix
+++ /dev/null
@@ -1,56 +0,0 @@
-{ stdenv, lib, fetchFromGitHub, alsaLib
-, pulseSupport ? false, libpulseaudio ? null
-}:
-
-stdenv.mkDerivation rec {
-  pname = "scream-receivers";
-  version = "3.4";
-
-  src = fetchFromGitHub {
-    owner = "duncanthrax";
-    repo = "scream";
-    rev = version;
-    sha256 = "1ig89bmzfrm57nd8lamzsdz5z81ks5vjvq3f0xhgm2dk2mrgjsj3";
-  };
-
-  buildInputs = [ alsaLib ] ++ lib.optional pulseSupport libpulseaudio;
-
-  buildPhase = ''
-    (cd Receivers/alsa && make)
-    (cd Receivers/alsa-ivshmem && make)
-  '' + lib.optionalString pulseSupport ''
-    (cd Receivers/pulseaudio && make)
-    (cd Receivers/pulseaudio-ivshmem && make)
-  '';
-
-  installPhase = ''
-    mkdir -p $out/bin
-    mv ./Receivers/alsa/scream-alsa $out/bin/
-    mv ./Receivers/alsa-ivshmem/scream-ivshmem-alsa $out/bin/
-  '' + lib.optionalString pulseSupport ''
-    mv ./Receivers/pulseaudio/scream-pulse $out/bin/
-    mv ./Receivers/pulseaudio-ivshmem/scream-ivshmem-pulse $out/bin/
-  '';
-
-  doInstallCheck = true;
-  installCheckPhase = ''
-    export PATH=$PATH:$out/bin
-    set -o verbose
-    set +o pipefail
-
-    # Programs exit with code 1 when testing help, so grep for a string
-    scream-alsa -h 2>&1 | grep -q Usage:
-    scream-ivshmem-alsa 2>&1 | grep -q Usage:
-  '' + lib.optionalString pulseSupport ''
-    scream-pulse -h 2>&1 | grep -q Usage:
-    scream-ivshmem-pulse 2>&1 | grep -q Usage:
-  '';
-
-  meta = with lib; {
-    description = "Audio receivers for the Scream virtual network sound card";
-    homepage = "https://github.com/duncanthrax/scream";
-    license = licenses.mspl;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ ];
-  };
-}
diff --git a/pkgs/misc/vim-plugins/generated.nix b/pkgs/misc/vim-plugins/generated.nix
index ebb308cbdee..7eb81d54d84 100644
--- a/pkgs/misc/vim-plugins/generated.nix
+++ b/pkgs/misc/vim-plugins/generated.nix
@@ -1761,6 +1761,18 @@ let
     meta.homepage = "https://github.com/gruvbox-community/gruvbox/";
   };
 
+  gruvbox-nvim = buildVimPluginFrom2Nix {
+    pname = "gruvbox-nvim";
+    version = "2021-04-23";
+    src = fetchFromGitHub {
+      owner = "npxbr";
+      repo = "gruvbox.nvim";
+      rev = "9dc9ea64fd2fb255a39210e227fc7146855434af";
+      sha256 = "04d8knfhidxdm8lzc15hklq1mm6i5kmdkik4iln4cbhd3cg33iqy";
+    };
+    meta.homepage = "https://github.com/npxbr/gruvbox.nvim/";
+  };
+
   gundo-vim = buildVimPluginFrom2Nix {
     pname = "gundo-vim";
     version = "2021-02-21";
diff --git a/pkgs/misc/vim-plugins/overrides.nix b/pkgs/misc/vim-plugins/overrides.nix
index 8b7e41ed3bd..3cc8620a89c 100644
--- a/pkgs/misc/vim-plugins/overrides.nix
+++ b/pkgs/misc/vim-plugins/overrides.nix
@@ -273,6 +273,10 @@ self: super: {
     dependencies = with self; [ plenary-nvim ];
   });
 
+  gruvbox-nvim = super.gruvbox-nvim.overrideAttrs (old: {
+    dependencies = with self; [ lush-nvim ];
+  });
+
   jedi-vim = super.jedi-vim.overrideAttrs (old: {
     # checking for python3 support in vim would be neat, too, but nobody else seems to care
     buildInputs = [ python3.pkgs.jedi ];
@@ -601,7 +605,7 @@ self: super: {
             libiconv
           ];
 
-          cargoSha256 = "25UkYKhlGmlDg4fz1jZHjpQn5s4k5FKlFK0MU8YM5SE=";
+          cargoSha256 = "1c8bwvwd23d7c3bk1ky1i8xgfz10dr8nqqcvp20g8rldjl8p2r08";
         };
       in
       ''
diff --git a/pkgs/misc/vim-plugins/vim-plugin-names b/pkgs/misc/vim-plugins/vim-plugin-names
index bd71825aaac..c5e9deeb0ab 100644
--- a/pkgs/misc/vim-plugins/vim-plugin-names
+++ b/pkgs/misc/vim-plugins/vim-plugin-names
@@ -437,6 +437,7 @@ norcalli/nvim-colorizer.lua
 norcalli/nvim-terminal.lua
 norcalli/snippets.nvim
 npxbr/glow.nvim@main
+npxbr/gruvbox.nvim@main
 ntpeters/vim-better-whitespace
 numirias/semshi
 nvie/vim-flake8
diff --git a/pkgs/os-specific/windows/libgnurx/default.nix b/pkgs/os-specific/windows/libgnurx/default.nix
index 85a3c463a28..e760bddabfb 100644
--- a/pkgs/os-specific/windows/libgnurx/default.nix
+++ b/pkgs/os-specific/windows/libgnurx/default.nix
@@ -10,6 +10,11 @@ in stdenv.mkDerivation rec {
     sha256 = "0xjxcxgws3bblybw5zsp9a4naz2v5bs1k3mk8dw00ggc0vwbfivi";
   };
 
+  # file looks for libgnurx.a when compiling statically
+  postInstall = lib.optionalString stdenv.hostPlatform.isStatic ''
+    ln -s $out/lib/libgnurx{.dll.a,.a}
+  '';
+
   meta = {
     platforms = lib.platforms.windows;
   };
diff --git a/pkgs/tools/backup/kopia/default.nix b/pkgs/tools/backup/kopia/default.nix
index bcf51372f6c..32f051f5ad9 100644
--- a/pkgs/tools/backup/kopia/default.nix
+++ b/pkgs/tools/backup/kopia/default.nix
@@ -1,17 +1,17 @@
-{ lib, buildGoModule, fetchFromGitHub, coreutils }:
+{ lib, buildGoModule, fetchFromGitHub }:
 
 buildGoModule rec {
   pname = "kopia";
-  version = "0.7.3";
+  version = "0.8.4";
 
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
     rev = "v${version}";
-    sha256 = "1dnk764y71c9k9nghn9q06f2zz9igsvm4z826azil2d58h5d06j6";
+    sha256 = "sha256-Or6RL6yT/X3rVIySqt5lWbXbI25f8HNLBpY3cOhMC0g=";
   };
 
-  vendorSha256 = "1mnhq6kn0pn67l55a9k6irmjlprr295218nms3klsk2720syzdwq";
+  vendorSha256 = "sha256-1FK5IIvm2iyzGqj8IPL3/qvxFj0dC37aycQQ5MO0mBI=";
 
   doCheck = false;
 
@@ -23,12 +23,6 @@ buildGoModule rec {
        -X github.com/kopia/kopia/repo.BuildInfo=${src.rev}
   '';
 
-  postConfigure = ''
-    # speakeasy hardcodes /bin/stty https://github.com/bgentry/speakeasy/issues/22
-    substituteInPlace vendor/github.com/bgentry/speakeasy/speakeasy_unix.go \
-      --replace "/bin/stty" "${coreutils}/bin/stty"
-  '';
-
   meta = with lib; {
     homepage = "https://kopia.io";
     description = "Cross-platform backup tool with fast, incremental backups, client-side end-to-end encryption, compression and data deduplication";
diff --git a/pkgs/tools/misc/togglesg-download/default.nix b/pkgs/tools/misc/togglesg-download/default.nix
deleted file mode 100644
index 812ad7900d0..00000000000
--- a/pkgs/tools/misc/togglesg-download/default.nix
+++ /dev/null
@@ -1,46 +0,0 @@
-{ lib, fetchFromGitHub, pythonPackages, makeWrapper, ffmpeg_3 }:
-
-pythonPackages.buildPythonApplication {
-
-  pname = "togglesg-download-git";
-  version = "2017-12-07";
-
-  src = fetchFromGitHub {
-    owner  = "0x776b7364";
-    repo   = "toggle.sg-download";
-    rev    = "e64959f99ac48920249987a644eefceee923282f";
-    sha256 = "0j317wmyzpwfcixjkybbq2vkg52vij21bs40zg3n1bs61rgmzrn8";
-  };
-
-  nativeBuildInputs = [ makeWrapper ];
-
-  doCheck = false;
-  dontBuild = true;
-  dontStrip = true;
-
-  installPhase = ''
-    runHook preInstall
-
-    mkdir -p $out/{bin,share/doc/togglesg-download}
-    substitute $src/download_toggle_video2.py $out/bin/download_toggle_video2.py \
-      --replace "ffmpeg_download_cmd = 'ffmpeg" "ffmpeg_download_cmd = '${lib.getBin ffmpeg_3}/bin/ffmpeg"
-    chmod 0755 $out/bin/download_toggle_video2.py
-
-    cp LICENSE README.md $out/share/doc/togglesg-download
-
-    runHook postInstall
-  '';
-
-  meta = with lib; {
-    homepage = "https://github.com/0x776b7364/toggle.sg-download";
-    description = "Command-line tool to download videos from toggle.sg written in Python";
-    longDescription = ''
-      toggle.sg requires SilverLight in order to view videos. This tool will
-      allow you to download the video files for viewing in your media player and
-      on your OS of choice.
-    '';
-    license = licenses.mit;
-    maintainers = with maintainers; [ peterhoeg ];
-    platforms = platforms.all;
-  };
-}
diff --git a/pkgs/tools/networking/croc/test-local-relay.nix b/pkgs/tools/networking/croc/test-local-relay.nix
index bde05d6deb0..4ddad86bd00 100644
--- a/pkgs/tools/networking/croc/test-local-relay.nix
+++ b/pkgs/tools/networking/croc/test-local-relay.nix
@@ -12,8 +12,8 @@ stdenv.mkDerivation {
           ${croc}/bin/croc --relay localhost:11111 send --code correct-horse-battery-staple --text "$MSG" &
           # wait for things to settle
           sleep 1
-          # receive
-          MSG2=$(${croc}/bin/croc --relay localhost:11111 --yes correct-horse-battery-staple)
+          # receive, as of croc 9 --overwrite is required for noninteractive use
+          MSG2=$(${croc}/bin/croc --overwrite --relay localhost:11111 --yes correct-horse-battery-staple)
           # compare
           [ "$MSG" = "$MSG2" ] && touch $out
   '';
diff --git a/pkgs/tools/networking/minidlna/default.nix b/pkgs/tools/networking/minidlna/default.nix
index df194ccaaaa..c14b8c68479 100644
--- a/pkgs/tools/networking/minidlna/default.nix
+++ b/pkgs/tools/networking/minidlna/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, ffmpeg_3, flac, libvorbis, libogg, libid3tag, libexif, libjpeg, sqlite, gettext }:
+{ lib, stdenv, fetchurl, ffmpeg, flac, libvorbis, libogg, libid3tag, libexif, libjpeg, sqlite, gettext }:
 
 let version = "1.3.0"; in
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
     export makeFlags="INSTALLPREFIX=$out"
   '';
 
-  buildInputs = [ ffmpeg_3 flac libvorbis libogg libid3tag libexif libjpeg sqlite gettext ];
+  buildInputs = [ ffmpeg flac libvorbis libogg libid3tag libexif libjpeg sqlite gettext ];
 
   postInstall = ''
     mkdir -p $out/share/man/man{5,8}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index e48652ab555..eadd95870ca 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -664,6 +664,7 @@ mapAliases ({
   rxvt_unicode-with-plugins = rxvt-unicode; # added 2020-02-02
   rxvt_unicode = rxvt-unicode-unwrapped; # added 2020-02-02
   subversion19 = throw "subversion19 has been removed as it has reached its end of life"; # added 2021-03-31
+  togglesg-download = throw "togglesg-download was removed 2021-04-30 as it's unmaintained";
   urxvt_autocomplete_all_the_things = rxvt-unicode-plugins.autocomplete-all-the-things; # added 2020-02-02
   urxvt_perl = rxvt-unicode-plugins.perl; # added 2020-02-02
   urxvt_perls = rxvt-unicode-plugins.perls; # added 2020-02-02
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f4876996ca8..9f22e49b25d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4569,6 +4569,8 @@ in
 
   flawfinder = callPackage ../development/tools/flawfinder { };
 
+  flip-link = callPackage ../development/tools/flip-link { };
+
   flips = callPackage ../tools/compression/flips { };
 
   fmbt = callPackage ../development/tools/fmbt {
@@ -8197,9 +8199,7 @@ in
 
   scmpuff = callPackage ../applications/version-management/git-and-tools/scmpuff { };
 
-  scream-receivers = callPackage ../misc/scream-receivers {
-    pulseSupport = config.pulseaudio or false;
-  };
+  scream = callPackage ../applications/audio/scream { };
 
   scimark = callPackage ../misc/scimark { };
 
@@ -10312,6 +10312,7 @@ in
   gcc8Stdenv = overrideCC gccStdenv buildPackages.gcc8;
   gcc9Stdenv = overrideCC gccStdenv buildPackages.gcc9;
   gcc10Stdenv = overrideCC gccStdenv buildPackages.gcc10;
+  gcc11Stdenv = overrideCC gccStdenv buildPackages.gcc11;
 
   wrapCCMulti = cc:
     if stdenv.targetPlatform.system == "x86_64-linux" then let
@@ -10498,7 +10499,21 @@ in
     isl = if !stdenv.isDarwin then isl_0_20 else null;
   }));
 
-  gcc_latest = gcc10;
+  gcc11 = lowPrio (wrapCC (callPackage ../development/compilers/gcc/11 {
+    inherit noSysDirs;
+
+    reproducibleBuild = true;
+    profiledCompiler = false;
+
+    enableLTO = !stdenv.isi686;
+
+    libcCross = if stdenv.targetPlatform != stdenv.buildPlatform then libcCross else null;
+    threadsCross = if stdenv.targetPlatform != stdenv.buildPlatform then threadsCross else null;
+
+    isl = if !stdenv.isDarwin then isl_0_20 else null;
+  }));
+
+  gcc_latest = gcc11;
 
   gfortran = gfortran9;
 
@@ -15103,7 +15118,6 @@ in
   indicator-application-gtk3 = callPackage ../development/libraries/indicator-application/gtk3.nix { };
 
   indilib = callPackage ../development/libraries/science/astronomy/indilib { };
-  indi-3rdparty = callPackage ../development/libraries/science/astronomy/indilib/indi-3rdparty.nix { };
   indi-full = callPackage ../development/libraries/science/astronomy/indilib/indi-full.nix { };
 
   inih = callPackage ../development/libraries/inih { };
@@ -30930,8 +30944,6 @@ in
 
   mpvc = callPackage ../applications/misc/mpvc { };
 
-  togglesg-download = callPackage ../tools/misc/togglesg-download { };
-
   discord = import ../applications/networking/instant-messengers/discord {
     branch = "stable";
     inherit pkgs;