diff --git a/nixos/modules/security/sudo.nix b/nixos/modules/security/sudo.nix
index cc3ff3d11b9..2e73f8f4f31 100644
--- a/nixos/modules/security/sudo.nix
+++ b/nixos/modules/security/sudo.nix
@@ -61,6 +61,17 @@ in
         '';
       };
 
+    security.sudo.execWheelOnly = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Only allow members of the <code>wheel</code> group to execute sudo by
+        setting the executable's permissions accordingly.
+        This prevents users that are not members of <code>wheel</code> from
+        exploiting vulnerabilities in sudo such as CVE-2021-3156.
+      '';
+    };
+
     security.sudo.configFile = mkOption {
       type = types.lines;
       # Note: if syntax errors are detected in this file, the NixOS
@@ -216,9 +227,20 @@ in
         ${cfg.extraConfig}
       '';
 
-    security.wrappers = {
-      sudo.source = "${cfg.package.out}/bin/sudo";
-      sudoedit.source = "${cfg.package.out}/bin/sudoedit";
+    security.wrappers = let
+      owner = "root";
+      group = if cfg.execWheelOnly then "wheel" else "root";
+      setuid = true;
+      permissions = if cfg.execWheelOnly then "u+rx,g+x" else "u+rx,g+x,o+x";
+    in {
+      sudo = {
+        source = "${cfg.package.out}/bin/sudo";
+        inherit owner group setuid permissions;
+      };
+      sudoedit = {
+        source = "${cfg.package.out}/bin/sudoedit";
+        inherit owner group setuid permissions;
+      };
     };
 
     environment.systemPackages = [ sudo ];
diff --git a/nixos/modules/virtualisation/docker.nix b/nixos/modules/virtualisation/docker.nix
index 3eb0de3a855..954e33ff24a 100644
--- a/nixos/modules/virtualisation/docker.nix
+++ b/nixos/modules/virtualisation/docker.nix
@@ -150,6 +150,10 @@ in
 
   config = mkIf cfg.enable (mkMerge [{
       boot.kernelModules = [ "bridge" "veth" ];
+      boot.kernel.sysctl = {
+        "net.ipv4.conf.all.forwarding" = mkOverride 99 true;
+        "net.ipv4.conf.default.forwarding" = mkOverride 99 true;
+      };
       environment.systemPackages = [ cfg.package ]
         ++ optional cfg.enableNvidia pkgs.nvidia-docker;
       users.groups.docker.gid = config.ids.gids.docker;
diff --git a/nixos/tests/docker.nix b/nixos/tests/docker.nix
index 58e33535ed3..dee7480eb4a 100644
--- a/nixos/tests/docker.nix
+++ b/nixos/tests/docker.nix
@@ -45,5 +45,8 @@ import ./make-test-python.nix ({ pkgs, ...} : {
 
     # Must match version 4 times to ensure client and server git commits and versions are correct
     docker.succeed('[ $(docker version | grep ${pkgs.docker.version} | wc -l) = "4" ]')
+    docker.succeed("systemctl restart systemd-sysctl")
+    docker.succeed("grep 1 /proc/sys/net/ipv4/conf/all/forwarding")
+    docker.succeed("grep 1 /proc/sys/net/ipv4/conf/default/forwarding")
   '';
 })
diff --git a/nixos/tests/sudo.nix b/nixos/tests/sudo.nix
index 2a85c490665..4885d6e17b8 100644
--- a/nixos/tests/sudo.nix
+++ b/nixos/tests/sudo.nix
@@ -10,7 +10,7 @@ in
       maintainers = [ lschuermann ];
     };
 
-    machine =
+    nodes.machine =
       { lib, ... }:
       with lib;
       {
@@ -48,6 +48,19 @@ in
         };
       };
 
+    nodes.strict = { ... }: {
+      users.users = {
+        admin = { isNormalUser = true; extraGroups = [ "wheel" ]; };
+        noadmin = { isNormalUser = true; };
+      };
+
+      security.sudo = {
+        enable = true;
+        wheelNeedsPassword = false;
+        execWheelOnly = true;
+      };
+    };
+
     testScript =
       ''
         with subtest("users in wheel group should have passwordless sudo"):
@@ -79,5 +92,11 @@ in
 
         with subtest("users in group 'barfoo' should not be able to keep their environment"):
             machine.fail("sudo -u test3 sudo -n -E -u root true")
+
+        with subtest("users in wheel should be able to run sudo despite execWheelOnly"):
+            strict.succeed('su - admin -c "sudo -u root true"')
+
+        with subtest("non-wheel users should be unable to run sudo thanks to execWheelOnly"):
+            strict.fail('su - noadmin -c "sudo --help"')
       '';
   })
diff --git a/pkgs/applications/editors/ghostwriter/default.nix b/pkgs/applications/editors/ghostwriter/default.nix
index 2249009af77..4d6eafaa0f0 100644
--- a/pkgs/applications/editors/ghostwriter/default.nix
+++ b/pkgs/applications/editors/ghostwriter/default.nix
@@ -2,13 +2,13 @@
 
 mkDerivation rec {
   pname = "ghostwriter";
-  version = "2.0.0-rc5";
+  version = "2.0.0";
 
   src = fetchFromGitHub {
     owner = "wereturtle";
     repo = pname;
     rev = version;
-    sha256 = "sha256-Gc0/AHxxJd5Cq3dBQ0Xy2TF78CBmQFYUzm4s7q1aHEE=";
+    sha256 = "sha256-5O2W7ZQeDkNzwi6t9MfNbv4fmNvak1AcMnzJTE1F9L8=";
   };
 
   nativeBuildInputs = [ qmake pkg-config qttools ];
diff --git a/pkgs/applications/misc/tuir/default.nix b/pkgs/applications/misc/tuir/default.nix
index c086cdb9503..fb1a85b1e49 100644
--- a/pkgs/applications/misc/tuir/default.nix
+++ b/pkgs/applications/misc/tuir/default.nix
@@ -21,7 +21,7 @@ buildPythonApplication rec {
 
   checkInputs = [ coverage coveralls docopt mock pylint pytest vcrpy ];
 
-  propagatedBuildInputs = [ beautifulsoup4 decorator kitchen requests ];
+  propagatedBuildInputs = [ beautifulsoup4 decorator kitchen requests six ];
 
   meta = with lib; {
     description = "Browse Reddit from your Terminal (fork of rtv)";
diff --git a/pkgs/applications/misc/visidata/default.nix b/pkgs/applications/misc/visidata/default.nix
index fc609b280f9..ad49a1b291e 100644
--- a/pkgs/applications/misc/visidata/default.nix
+++ b/pkgs/applications/misc/visidata/default.nix
@@ -15,13 +15,13 @@
 }:
 buildPythonApplication rec {
   pname = "visidata";
-  version = "2.2.1";
+  version = "2.4";
 
   src = fetchFromGitHub {
     owner = "saulpw";
     repo = "visidata";
     rev = "v${version}";
-    sha256 = "1gkvnywjg0n3n7d855ivclsj3d8mzihhkgv9a18srcszkmyix903";
+    sha256 = "0mvf2603d9b0s6rh7sl7mg4ipbh0nk05xgh1078mwvx31qjsmq1i";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/applications/networking/instant-messengers/pantalaimon/default.nix b/pkgs/applications/networking/instant-messengers/pantalaimon/default.nix
index 9c99741823a..dd46b64e4f6 100644
--- a/pkgs/applications/networking/instant-messengers/pantalaimon/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pantalaimon/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, buildPythonApplication, fetchFromGitHub, pythonOlder,
   attrs, aiohttp, appdirs, click, keyring, Logbook, peewee, janus,
   prompt_toolkit, matrix-nio, dbus-python, pydbus, notify2, pygobject3,
-  setuptools,
+  setuptools, fetchpatch,
 
   pytest, faker, pytest-aiohttp, aioresponses,
 
@@ -10,7 +10,7 @@
 
 buildPythonApplication rec {
   pname = "pantalaimon";
-  version = "0.8.0";
+  version = "0.9.2";
 
   disabled = pythonOlder "3.6";
 
@@ -19,9 +19,17 @@ buildPythonApplication rec {
     owner = "matrix-org";
     repo = pname;
     rev = version;
-    sha256 = "0n86cdpw85qzlcr1ynvar0f0zbphmdz1jia9r75lmj07iw4r5hk9";
+    sha256 = "11dfv5b2slqybisq6npmrqxrzslh4bjs4093vrc05s94046d9d9n";
   };
 
+  patches = [
+    # accept newer matrix-nio versions
+    (fetchpatch {
+      url = "https://github.com/matrix-org/pantalaimon/commit/73f68c76fb05037bd7fe71688ce39eb1f526a385.patch";
+      sha256 = "0wvqcfan8yp67p6khsqkynbkifksp2422b9jy511mvhpy51sqykl";
+    })
+  ];
+
   propagatedBuildInputs = [
     aiohttp
     appdirs
diff --git a/pkgs/applications/version-management/monotone/default.nix b/pkgs/applications/version-management/monotone/default.nix
index f20d827dc5f..48af459260d 100644
--- a/pkgs/applications/version-management/monotone/default.nix
+++ b/pkgs/applications/version-management/monotone/default.nix
@@ -1,10 +1,11 @@
-{ lib, stdenv, fetchurl, boost, zlib, botan, libidn
-, lua, pcre, sqlite, perl, pkg-config, expect
+{ lib, stdenv, fetchurl, fetchFromGitHub, boost, zlib, botan2, libidn
+, lua, pcre, sqlite, perl, pkg-config, expect, less
 , bzip2, gmp, openssl
+, autoreconfHook, texinfo
 }:
 
 let
-  version = "1.1";
+  version = "1.1-unstable-2021-05-01";
   perlVersion = lib.getVersion perl;
 in
 
@@ -14,22 +15,41 @@ stdenv.mkDerivation rec {
   pname = "monotone";
   inherit version;
 
-  src = fetchurl {
-    url = "http://monotone.ca/downloads/${version}/monotone-${version}.tar.bz2";
-    sha256 = "124cwgi2q86hagslbk5idxbs9j896rfjzryhr6z63r6l485gcp7r";
+  #  src = fetchurl {
+  #    url = "http://monotone.ca/downloads/${version}/monotone-${version}.tar.bz2";
+  #    sha256 = "124cwgi2q86hagslbk5idxbs9j896rfjzryhr6z63r6l485gcp7r";
+  #  };
+
+  # My mirror of upstream Monotone repository
+  # Could fetchmtn, but circular dependency; snapshot requested
+  # https://lists.nongnu.org/archive/html/monotone-devel/2021-05/msg00000.html
+  src = fetchFromGitHub {
+    owner = "7c6f434c";
+    repo = "monotone-mirror";
+    rev = "b30b0e1c16def043d2dad57d1467d5bfdecdb070";
+    hash = "sha256:1hfy8vaap3184cd7h3qhz0da7c992idkc6q2nz9frhma45c5vgmd";
   };
 
   patches = [ ./monotone-1.1-Adapt-to-changes-in-pcre-8.42.patch ];
 
-  nativeBuildInputs = [ pkg-config ];
-  buildInputs = [ boost zlib botan libidn lua pcre sqlite expect
-    openssl gmp bzip2 ];
+  postPatch = ''
+    sed -e 's@/usr/bin/less@${less}/bin/less@' -i src/unix/terminal.cc
+  '';
+
+  nativeBuildInputs = [ pkg-config autoreconfHook texinfo ];
+  buildInputs = [ boost zlib botan2 libidn lua pcre sqlite expect
+    openssl gmp bzip2 perl ];
 
   postInstall = ''
     mkdir -p $out/share/${pname}-${version}
     cp -rv contrib/ $out/share/${pname}-${version}/contrib
     mkdir -p $out/${perl.libPrefix}/${perlVersion}
     cp -v contrib/Monotone.pm $out/${perl.libPrefix}/${perlVersion}
+
+    patchShebangs "$out/share/monotone"
+    patchShebangs "$out/share/${pname}-${version}"
+
+    find "$out"/share/{doc/monotone,${pname}-${version}}/contrib/ -type f | xargs sed -e 's@! */usr/bin/@!/usr/bin/env @; s@! */bin/bash@!/usr/bin/env bash@' -i
   '';
 
   #doCheck = true; # some tests fail (and they take VERY long)
@@ -38,6 +58,6 @@ stdenv.mkDerivation rec {
     description = "A free distributed version control system";
     maintainers = [ maintainers.raskin ];
     platforms = platforms.unix;
-    license = licenses.gpl2;
+    license = licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/data/misc/fedora-backgrounds/default.nix b/pkgs/data/misc/fedora-backgrounds/default.nix
index 31bc28a9f9c..3089e721a7c 100644
--- a/pkgs/data/misc/fedora-backgrounds/default.nix
+++ b/pkgs/data/misc/fedora-backgrounds/default.nix
@@ -20,4 +20,15 @@ in {
     # Fix broken symlinks in the Xfce background directory.
     patches = [ ./f33-fix-xfce-path.patch ];
   };
+
+  f34 = fedoraBackground rec {
+    version = "34.0.1";
+    src = fetchurl {
+      url = "https://github.com/fedoradesign/backgrounds/releases/download/v${version}/f${lib.versions.major version}-backgrounds-${version}.tar.xz";
+      hash = "sha256-0gotgQ4N0yE8WZbsu7B3jmUIZrycbqjEMxZl01JcJj4=";
+    };
+    # Fix broken symlinks in the Xfce background directory.
+    patches = [ ./f34-fix-xfce-path.patch ];
+  };
+
 }
diff --git a/pkgs/data/misc/fedora-backgrounds/f34-fix-xfce-path.patch b/pkgs/data/misc/fedora-backgrounds/f34-fix-xfce-path.patch
new file mode 100644
index 00000000000..84792766713
--- /dev/null
+++ b/pkgs/data/misc/fedora-backgrounds/f34-fix-xfce-path.patch
@@ -0,0 +1,13 @@
+diff --git a/default/Makefile b/default/Makefile
+index 172d5d9..540a1c0 100644
+--- a/default/Makefile
++++ b/default/Makefile
+@@ -1,7 +1,7 @@
+ WP_NAME=f34
+ WP_BIGNAME=F34
+ WP_DIR=$(DESTDIR)/usr/share/backgrounds/$(WP_NAME)
+-WP_DIR_LN=/usr/share/backgrounds/$(WP_NAME)
++WP_DIR_LN=$(DESTDIR)/usr/share/backgrounds/$(WP_NAME)
+ GNOME_BG_DIR=$(DESTDIR)/usr/share/gnome-background-properties
+ KDE_BG_DIR=$(DESTDIR)/usr/share/wallpapers
+ MATE_BG_DIR=$(DESTDIR)/usr/share/mate-background-properties
diff --git a/pkgs/development/python-modules/aiohttp-socks/default.nix b/pkgs/development/python-modules/aiohttp-socks/default.nix
index 7b0bfe80684..4e75f56a8da 100644
--- a/pkgs/development/python-modules/aiohttp-socks/default.nix
+++ b/pkgs/development/python-modules/aiohttp-socks/default.nix
@@ -1,16 +1,16 @@
-{ lib, fetchPypi, buildPythonPackage, pythonOlder, aiohttp, attrs }:
+{ lib, fetchPypi, buildPythonPackage, pythonOlder, aiohttp, python-socks, attrs }:
 
 buildPythonPackage rec {
   pname = "aiohttp-socks";
-  version = "0.3.9";
+  version = "0.6.0";
 
   src = fetchPypi {
     inherit version;
     pname = "aiohttp_socks";
-    sha256 = "1mn2ng66951mri49f99zh3660j83kvqhr6dpx90s9fkjwk83hmjy";
+    sha256 = "04w010bvi719ifpc3sshav95k10hf9nq8czn9yglkj206yxcypdr";
   };
 
-  propagatedBuildInputs = [ aiohttp attrs ];
+  propagatedBuildInputs = [ aiohttp attrs python-socks ];
 
   # Checks needs internet access
   doCheck = false;
diff --git a/pkgs/development/python-modules/matrix-nio/default.nix b/pkgs/development/python-modules/matrix-nio/default.nix
index 69774b58eb6..9f10510d243 100644
--- a/pkgs/development/python-modules/matrix-nio/default.nix
+++ b/pkgs/development/python-modules/matrix-nio/default.nix
@@ -2,9 +2,11 @@
 , buildPythonPackage
 , fetchFromGitHub
 , git
+, poetry-core
 , attrs
 , future
 , aiohttp
+, aiohttp-socks
 , aiofiles
 , h11
 , h2
@@ -16,27 +18,37 @@
 , peewee
 , cachetools
 , atomicwrites
+, pytestCheckHook
+, faker
+, aioresponses
+, hypothesis
+, pytest-aiohttp
+, pytest-benchmark
 }:
 
 buildPythonPackage rec {
   pname = "matrix-nio";
-  version = "0.15.2";
+  version = "0.18.0";
+  format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "poljar";
     repo = "matrix-nio";
     rev = version;
-    sha256 = "190xw3cvk4amr9pl8ip2i7k3xdjd0231kn2zl6chny5axx22p1dv";
+    sha256 = "1rn5lz81y4bvgjhxzd57qhr0lmkm5xljl4bj9w10lnm4f7ls0xdi";
   };
 
   nativeBuildInputs = [
     git
+    poetry-core
+    pytestCheckHook
   ];
 
   propagatedBuildInputs = [
     attrs
     future
     aiohttp
+    aiohttp-socks
     aiofiles
     h11
     h2
@@ -50,7 +62,20 @@ buildPythonPackage rec {
     atomicwrites
   ];
 
-  doCheck = false;
+  checkInputs = [
+    faker
+    aioresponses
+    hypothesis
+    pytest-aiohttp
+    pytest-benchmark
+  ];
+
+  disabledTests = [
+    # touches network
+    "test_connect_wrapper"
+    # time dependent and flaky
+    "test_transfer_monitor_callbacks"
+  ];
 
   meta = with lib; {
     description = "A Python Matrix client library, designed according to sans I/O principles";
diff --git a/pkgs/development/python-modules/mlrose/default.nix b/pkgs/development/python-modules/mlrose/default.nix
index 40e3b6ce095..b17b56b8f9e 100644
--- a/pkgs/development/python-modules/mlrose/default.nix
+++ b/pkgs/development/python-modules/mlrose/default.nix
@@ -1,21 +1,45 @@
-{ lib, isPy27, buildPythonPackage, fetchPypi, scikitlearn }:
+{ lib
+, isPy27
+, buildPythonPackage
+, fetchFromGitHub
+, fetchpatch
+, scikitlearn
+, pytestCheckHook
+, pytest-randomly
+}:
 
 buildPythonPackage rec {
   pname = "mlrose";
   version = "1.3.0";
   disabled = isPy27;
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "cec83253bf6da67a7fb32b2c9ae13e9dbc6cfbcaae2aa3107993e69e9788f15e";
+  src = fetchFromGitHub {
+    owner = "gkhayes";
+    repo = "mlrose";
+    rev = "v${version}";
+    sha256 = "1dn43k3rcypj58ymcj849b37w66jz7fphw8842v6mlbij3x0rxfl";
   };
 
+  patches = [
+    # Fixes compatibility with scikit-learn 0.24.1
+    (fetchpatch {
+      url = "https://github.com/gkhayes/mlrose/pull/55/commits/19caf8616fc194402678aa67917db334ad02852a.patch";
+      sha256 = "1nivz3bn21nd21bxbcl16a6jmy7y5j8ilz90cjmd0xq4v7flsahf";
+    })
+  ];
+
   propagatedBuildInputs = [ scikitlearn ];
+  checkInputs = [ pytest-randomly pytestCheckHook ];
 
   postPatch = ''
-    sed -i 's,sklearn,scikit-learn,g' setup.py
+    substituteInPlace setup.py --replace sklearn scikit-learn
   '';
 
+  pythonImportsCheck = [ "mlrose" ];
+
+  # Fix random seed during tests
+  pytestFlagsArray = [ "--randomly-seed 0" ];
+
   meta = with lib; {
     description = "Machine Learning, Randomized Optimization and SEarch";
     homepage    = "https://github.com/gkhayes/mlrose";
diff --git a/pkgs/development/python-modules/openrazer/common.nix b/pkgs/development/python-modules/openrazer/common.nix
index 35655b207a5..985d4e199e1 100644
--- a/pkgs/development/python-modules/openrazer/common.nix
+++ b/pkgs/development/python-modules/openrazer/common.nix
@@ -1,16 +1,16 @@
 { lib
 , fetchFromGitHub
 }: rec {
-  version = "3.0.0";
+  version = "3.0.1";
   src = fetchFromGitHub {
     owner = "openrazer";
     repo = "openrazer";
     rev = "v${version}";
-    sha256 = "sha256-gw6Qt9BntPcF3zw19PXftDbhoCeBr8hwrujy51rb5Fc=";
+    sha256 = "sha256-ptB0jP0kp1Liynkfz0B0OMw6xNQG1s8IvxhgNAdEytM=";
   };
   meta = with lib; {
     homepage = "https://openrazer.github.io/";
-    license = licenses.gpl2;
+    license = licenses.gpl2Only;
     maintainers = with maintainers; [ roelvandijk evanjs ];
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/python-modules/peewee/default.nix b/pkgs/development/python-modules/peewee/default.nix
index 6f5d8e26227..fd057d24d31 100644
--- a/pkgs/development/python-modules/peewee/default.nix
+++ b/pkgs/development/python-modules/peewee/default.nix
@@ -12,14 +12,14 @@
 buildPythonPackage rec {
 
   pname = "peewee";
-  version = "3.13.3";
+  version = "3.14.4";
 
   # pypi release does not provide tests
   src = fetchFromGitHub {
     owner = "coleifer";
     repo = pname;
     rev = version;
-    sha256 = "1r67hxb9m6v0xbnbqfnsw6dahmdr94pf81b4x51jfw6x9sa4izi4";
+    sha256 = "0x85swpaffysc05kka0mab87cnilzw1lpacfhcx5ayabh0i2qsh6";
   };
 
 
diff --git a/pkgs/development/python-modules/pyexcel-xls/default.nix b/pkgs/development/python-modules/pyexcel-xls/default.nix
index 7e09a21e362..29d6df409a6 100644
--- a/pkgs/development/python-modules/pyexcel-xls/default.nix
+++ b/pkgs/development/python-modules/pyexcel-xls/default.nix
@@ -30,7 +30,11 @@ buildPythonPackage rec {
     mock
   ];
 
-  checkPhase = "nosetests";
+  postPatch = ''
+    substituteInPlace setup.py --replace "xlrd<2" "xlrd<3"
+  '';
+
+  checkPhase = "nosetests --exclude test_issue_151";
 
   meta = {
     description = "A wrapper library to read, manipulate and write data in xls using xlrd and xlwt";
diff --git a/pkgs/development/python-modules/python-socks/default.nix b/pkgs/development/python-modules/python-socks/default.nix
new file mode 100644
index 00000000000..dcf26880827
--- /dev/null
+++ b/pkgs/development/python-modules/python-socks/default.nix
@@ -0,0 +1,22 @@
+{ lib, buildPythonPackage, trio, curio, async-timeout, fetchPypi, pythonOlder }:
+
+buildPythonPackage rec {
+  pname = "python-socks";
+  version = "1.2.4";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1n6xb18jy41ybgkmamakg6psp3qididd45qknxiggngaiibz43kx";
+  };
+
+  disabled = pythonOlder "3.6.1";
+
+  propagatedBuildInputs = [ trio curio async-timeout ];
+
+  meta = with lib; {
+    description = "Core proxy client (SOCKS4, SOCKS5, HTTP) functionality for Python";
+    homepage = "https://github.com/romis2012/python-socks";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ mjlbach ];
+  };
+}
diff --git a/pkgs/development/python-modules/unpaddedbase64/default.nix b/pkgs/development/python-modules/unpaddedbase64/default.nix
index 96b27127cc6..b5ff5be2061 100644
--- a/pkgs/development/python-modules/unpaddedbase64/default.nix
+++ b/pkgs/development/python-modules/unpaddedbase64/default.nix
@@ -1,19 +1,25 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
+, poetry-core
 }:
 
 buildPythonPackage rec {
   pname = "unpaddedbase64";
-  version = "1.1.0";
+  version = "2.1.0";
+  format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "matrix-org";
     repo = "python-${pname}";
     rev = "refs/tags/v${version}";
-    sha256 = "0if3fjfxga0bwdq47v77fs9hrcqpmwdxry2i2a7pdqsp95258nxd";
+    sha256 = "1n6har8pxv0mqb96lanzihp1xf76aa17jw3977drb1fgz947pnmz";
   };
 
+  nativeBuildInputs = [
+    poetry-core
+  ];
+
   meta = with lib; {
     homepage = "https://github.com/matrix-org/python-unpaddedbase64";
     description = "Unpadded Base64";
diff --git a/pkgs/os-specific/linux/openrazer/driver.nix b/pkgs/os-specific/linux/openrazer/driver.nix
index 4745ba818a9..07113e62862 100644
--- a/pkgs/os-specific/linux/openrazer/driver.nix
+++ b/pkgs/os-specific/linux/openrazer/driver.nix
@@ -10,7 +10,8 @@ let
   common = import ../../../development/python-modules/openrazer/common.nix { inherit lib fetchFromGitHub; };
 in
 stdenv.mkDerivation (common // {
-  name = "openrazer-${common.version}-${kernel.version}";
+  pname = "openrazer";
+  version = "${common.version}-${kernel.version}";
 
   nativeBuildInputs = kernel.moduleBuildDependencies;
 
@@ -19,6 +20,8 @@ stdenv.mkDerivation (common // {
   ];
 
   installPhase = ''
+    runHook preInstall
+
     binDir="$out/lib/modules/${kernel.modDirVersion}/kernel/drivers/hid"
     mkdir -p "$binDir"
     cp -v driver/*.ko "$binDir"
@@ -32,9 +35,12 @@ stdenv.mkDerivation (common // {
       --replace /usr/bin/logger ${util-linux}/bin/logger \
       --replace chgrp ${coreutils}/bin/chgrp \
       --replace "PATH='/sbin:/bin:/usr/sbin:/usr/bin'" ""
+
+    runHook postInstall
   '';
 
   meta = common.meta // {
     description = "An entirely open source Linux driver that allows you to manage your Razer peripherals on GNU/Linux";
+    broken = kernel.kernelOlder "4.19";
   };
 })
diff --git a/pkgs/tools/misc/ddccontrol/default.nix b/pkgs/tools/misc/ddccontrol/default.nix
index 41f2bede999..b7d0f2c3aad 100644
--- a/pkgs/tools/misc/ddccontrol/default.nix
+++ b/pkgs/tools/misc/ddccontrol/default.nix
@@ -12,13 +12,13 @@
 
 stdenv.mkDerivation rec {
   pname = "ddccontrol";
-  version = "0.5.1";
+  version = "0.5.2";
 
   src = fetchFromGitHub {
     owner = "ddccontrol";
     repo = "ddccontrol";
-    rev = "0.5.1";
-    sha256 = "sha256-e6Rzzz5S+Um2ZBuUkfAJQA4V+zqCqsUHB0f1t/dTU2w=";
+    rev = "0.5.2";
+    sha256 = "sha256-kul0sjbwbCwadvrccG3KwL/fKWACFUg74QGvgfWE4FQ=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/tools/misc/fselect/default.nix b/pkgs/tools/misc/fselect/default.nix
index d60e68a0e32..eaddc8790e9 100644
--- a/pkgs/tools/misc/fselect/default.nix
+++ b/pkgs/tools/misc/fselect/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "fselect";
-  version = "0.7.4";
+  version = "0.7.5";
 
   src = fetchFromGitHub {
     owner = "jhspetersson";
     repo = "fselect";
     rev = version;
-    sha256 = "sha256-gwFX5c5y4bL+KhPDnvCbDco1ORYyqZYFsetMrmOATZU=";
+    sha256 = "sha256-6/mcGq6qKYmcBcNndYYJB3rnHr6ZVpEcVjJBz7NEJEw=";
   };
 
-  cargoSha256 = "sha256-gWCiaAgb7hBenbp1kogCoB6vctYfDZccRW9li2yxJaU=";
+  cargoSha256 = "sha256-W6YmFsTlU3LD3tvhLuA/3k/269gR2RLLOo86BQC5x98=";
 
   nativeBuildInputs = [ installShellFiles ];
   buildInputs = lib.optional stdenv.isDarwin libiconv;
diff --git a/pkgs/tools/networking/clash/default.nix b/pkgs/tools/networking/clash/default.nix
index 9cad36c68a6..61e529dc872 100644
--- a/pkgs/tools/networking/clash/default.nix
+++ b/pkgs/tools/networking/clash/default.nix
@@ -2,16 +2,16 @@
 
 buildGoModule rec {
   pname = "clash";
-  version = "1.5.0";
+  version = "1.6.0";
 
   src = fetchFromGitHub {
     owner = "Dreamacro";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-I4qpcHsN8WGt7YLNXO08BJypilhMSVmZjqECDjlEqXU=";
+    sha256 = "sha256-XG/nci8Sj0vfa/SFPpJwl1Zmt/23LfKxocejplZtS0E=";
   };
 
-  vendorSha256 = "sha256-Nfzk7p52msGxTPDbs4g9KuRPFxp4Npt0QXkdVOZvipc=";
+  vendorSha256 = "sha256-WR1CpjEMHRkpd0/iqrOm0oVXvyQO+r6GyeP0L0zx8aA=";
 
   doCheck = false;
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 646698b1da8..91ed1b574f4 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -24755,7 +24755,6 @@ in
 
   monotone = callPackage ../applications/version-management/monotone {
     lua = lua5;
-    botan = botan.override (x: { openssl = null; });
   };
 
   monotoneViz = callPackage ../applications/version-management/monotone-viz {
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 346c53b804a..7d6ea19d8b5 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6676,6 +6676,8 @@ in {
 
   python-socketio_4 = callPackage ../development/python-modules/python-socketio/4.nix { };
 
+  python-socks = callPackage ../development/python-modules/python-socks { };
+
   python-sql = callPackage ../development/python-modules/python-sql { };
 
   python-stdnum = callPackage ../development/python-modules/python-stdnum { };