diff --git a/nixos/modules/misc/documentation.nix b/nixos/modules/misc/documentation.nix
index c88cc693061..7e04f0f16a9 100644
--- a/nixos/modules/misc/documentation.nix
+++ b/nixos/modules/misc/documentation.nix
@@ -258,8 +258,7 @@ in
 
       environment.systemPackages = []
         ++ optional cfg.man.enable manual.manpages
-        ++ optionals cfg.doc.enable ([ manual.manualHTML nixos-help ]
-           ++ optionals config.services.xserver.enable [ pkgs.nixos-icons ]);
+        ++ optionals cfg.doc.enable [ manual.manualHTML nixos-help ];
 
       services.getty.helpLine = mkIf cfg.doc.enable (
           "\nRun 'nixos-help' for the NixOS manual."
diff --git a/nixos/modules/services/x11/xserver.nix b/nixos/modules/services/x11/xserver.nix
index 4dde4476d2c..52af552cd13 100644
--- a/nixos/modules/services/x11/xserver.nix
+++ b/nixos/modules/services/x11/xserver.nix
@@ -651,6 +651,7 @@ in
         pkgs.xterm
         pkgs.xdg-utils
         xorg.xf86inputevdev.out # get evdev.4 man page
+        pkgs.nixos-icons # needed for gnome and pantheon about dialog, nixos-manual and maybe more
       ]
       ++ optional (elem "virtualbox" cfg.videoDrivers) xorg.xrefresh;
 
diff --git a/pkgs/applications/graphics/glimpse/default.nix b/pkgs/applications/graphics/glimpse/default.nix
index de85fb9bf17..01271f53b57 100644
--- a/pkgs/applications/graphics/glimpse/default.nix
+++ b/pkgs/applications/graphics/glimpse/default.nix
@@ -51,6 +51,7 @@
 , makeWrapper
 , autoreconfHook
 , gtk-doc
+, graphviz
 }:
 let
   python = python2.withPackages (pp: [ pp.pygtk ]);
@@ -154,7 +155,8 @@ stdenv.mkDerivation rec {
 
   postFixup = ''
     wrapProgram $out/bin/glimpse-${lib.versions.majorMinor version} \
-      --set GDK_PIXBUF_MODULE_FILE "$GDK_PIXBUF_MODULE_FILE"
+      --set GDK_PIXBUF_MODULE_FILE "$GDK_PIXBUF_MODULE_FILE" \
+      --prefix PATH ":" ${ lib.makeBinPath [ graphviz ] }
   '';
 
   passthru = rec {
diff --git a/pkgs/applications/misc/gollum/Gemfile b/pkgs/applications/misc/gollum/Gemfile
index 525f54838b7..a15179970b3 100644
--- a/pkgs/applications/misc/gollum/Gemfile
+++ b/pkgs/applications/misc/gollum/Gemfile
@@ -1,2 +1,8 @@
 source 'https://rubygems.org'
 gem 'gollum'
+
+gem 'asciidoctor'
+gem 'creole'
+gem 'wikicloth'
+gem 'org-ruby'
+gem 'RedCloth'
diff --git a/pkgs/applications/misc/gollum/Gemfile.lock b/pkgs/applications/misc/gollum/Gemfile.lock
index 73bc5d068d7..4d0d9adf772 100644
--- a/pkgs/applications/misc/gollum/Gemfile.lock
+++ b/pkgs/applications/misc/gollum/Gemfile.lock
@@ -1,9 +1,14 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    RedCloth (4.3.2)
+    asciidoctor (2.0.15)
+    builder (3.2.4)
     concurrent-ruby (1.1.8)
     crass (1.0.6)
+    creole (0.5.0)
     execjs (2.7.0)
+    expression_parser (0.9.0)
     ffi (1.14.2)
     gemojione (4.3.3)
       json
@@ -36,6 +41,7 @@ GEM
     gollum-rugged_adapter (1.0)
       mime-types (>= 1.15)
       rugged (~> 0.99)
+    htmlentities (4.3.4)
     json (2.5.1)
     kramdown (2.3.0)
       rexml
@@ -59,6 +65,8 @@ GEM
       racc (~> 1.4)
     octicons (12.1.0)
       nokogiri (>= 1.6.3.1)
+    org-ruby (0.9.12)
+      rubypants (~> 0.2)
     racc (1.5.2)
     rack (2.2.3)
     rack-protection (2.1.0)
@@ -71,6 +79,7 @@ GEM
     rss (0.2.9)
       rexml
     ruby2_keywords (0.0.4)
+    rubypants (0.7.1)
     rugged (0.99.0)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
@@ -105,12 +114,23 @@ GEM
       unf_ext
     unf_ext (0.0.7.7)
     useragent (0.16.10)
+    wikicloth (0.8.3)
+      builder
+      expression_parser
+      htmlentities
+      nokogiri
+      twitter-text
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  RedCloth
+  asciidoctor
+  creole
   gollum
+  org-ruby
+  wikicloth
 
 BUNDLED WITH
-   2.1.4
+   2.2.20
diff --git a/pkgs/applications/misc/gollum/default.nix b/pkgs/applications/misc/gollum/default.nix
index 4a365b5a17e..59bb05f85ce 100644
--- a/pkgs/applications/misc/gollum/default.nix
+++ b/pkgs/applications/misc/gollum/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, bundlerEnv, ruby, makeWrapper, bundlerUpdateScript
-, git }:
+, git, docutils, perl }:
 
 stdenv.mkDerivation rec {
   pname = "gollum";
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   in ''
     mkdir -p $out/bin
     makeWrapper ${env}/bin/gollum $out/bin/gollum \
-      --prefix PATH ":" ${lib.makeBinPath [ git ]}
+      --prefix PATH ":" ${lib.makeBinPath [ git docutils perl]}
     makeWrapper ${env}/bin/gollum-migrate-tags $out/bin/gollum-migrate-tags \
       --prefix PATH ":" ${lib.makeBinPath [ git ]}
   '';
diff --git a/pkgs/applications/misc/gollum/gemset.nix b/pkgs/applications/misc/gollum/gemset.nix
index 690eba645dc..8b0822d9a53 100644
--- a/pkgs/applications/misc/gollum/gemset.nix
+++ b/pkgs/applications/misc/gollum/gemset.nix
@@ -1,4 +1,24 @@
 {
+  asciidoctor = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0k3lijm4dmiz977bfmpclk5glj5jwv7bidamwwwywm60ywb0n4n4";
+      type = "gem";
+    };
+    version = "2.0.15";
+  };
+  builder = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "045wzckxpwcqzrjr353cxnyaxgf0qg22jh00dcx7z38cys5g1jlr";
+      type = "gem";
+    };
+    version = "3.2.4";
+  };
   concurrent-ruby = {
     groups = ["default"];
     platforms = [];
@@ -19,6 +39,16 @@
     };
     version = "1.0.6";
   };
+  creole = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "00rcscz16idp6dx0dk5yi5i0fz593i3r6anbn5bg2q07v3i025wm";
+      type = "gem";
+    };
+    version = "0.5.0";
+  };
   execjs = {
     groups = ["default"];
     platforms = [];
@@ -29,6 +59,16 @@
     };
     version = "2.7.0";
   };
+  expression_parser = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1938z3wmmdabqxlh5d5c56xfg1jc6z15p7zjyhvk7364zwydnmib";
+      type = "gem";
+    };
+    version = "0.9.0";
+  };
   ffi = {
     groups = ["default"];
     platforms = [];
@@ -93,6 +133,16 @@
     };
     version = "1.0";
   };
+  htmlentities = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1nkklqsn8ir8wizzlakncfv42i32wc0w9hxp00hvdlgjr7376nhj";
+      type = "gem";
+    };
+    version = "4.3.4";
+  };
   json = {
     groups = ["default"];
     platforms = [];
@@ -231,6 +281,17 @@
     };
     version = "12.1.0";
   };
+  org-ruby = {
+    dependencies = ["rubypants"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0x69s7aysfiwlcpd9hkvksfyld34d8kxr62adb59vjvh8hxfrjwk";
+      type = "gem";
+    };
+    version = "0.9.12";
+  };
   racc = {
     groups = ["default"];
     platforms = [];
@@ -283,6 +344,16 @@
     };
     version = "0.10.1";
   };
+  RedCloth = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0m9dv7ya9q93r8x1pg2gi15rxlbck8m178j1fz7r5v6wr1avrrqy";
+      type = "gem";
+    };
+    version = "4.3.2";
+  };
   rexml = {
     groups = ["default"];
     platforms = [];
@@ -324,6 +395,16 @@
     };
     version = "0.0.4";
   };
+  rubypants = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0kv2way45d2dz3h5b7wxyw36clvlwrz7ydf6699d0za5vm56gsrh";
+      type = "gem";
+    };
+    version = "0.7.1";
+  };
   rugged = {
     groups = ["default"];
     platforms = [];
@@ -484,4 +565,15 @@
     };
     version = "0.16.10";
   };
+  wikicloth = {
+    dependencies = ["builder" "expression_parser" "htmlentities" "nokogiri" "twitter-text"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0c78r1rg93mb5rcrfxl01b162ma9sh46dhjksc4c9dngg62nhbjh";
+      type = "gem";
+    };
+    version = "0.8.3";
+  };
 }
diff --git a/pkgs/applications/networking/irc/convos/default.nix b/pkgs/applications/networking/irc/convos/default.nix
index 8ff5c50b8a7..762fdf78ce3 100644
--- a/pkgs/applications/networking/irc/convos/default.nix
+++ b/pkgs/applications/networking/irc/convos/default.nix
@@ -6,13 +6,13 @@ with lib;
 
 perlPackages.buildPerlPackage rec {
   pname = "convos";
-  version = "6.24";
+  version = "6.26";
 
   src = fetchFromGitHub {
     owner = "convos-chat";
     repo = pname;
     rev = "v${version}";
-    sha256 = "0hrz74fybypkjf9hraknylxrhnz7bhk00pk6wla2wfg8s2798zlx";
+    sha256 = "1wh3ryhd4b7nanh0yp2nycmhky5afw8lpfx34858p6wfimsv9794";
   };
 
   nativeBuildInputs = [ makeWrapper ]
diff --git a/pkgs/applications/networking/remote/putty/default.nix b/pkgs/applications/networking/remote/putty/default.nix
index aab30c24e20..6249cce973e 100644
--- a/pkgs/applications/networking/remote/putty/default.nix
+++ b/pkgs/applications/networking/remote/putty/default.nix
@@ -3,7 +3,7 @@
 }:
 
 stdenv.mkDerivation rec {
-  version = "0.75";
+  version = "0.76";
   pname = "putty";
 
   src = fetchurl {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
       "https://the.earth.li/~sgtatham/putty/${version}/${pname}-${version}.tar.gz"
       "ftp://ftp.wayne.edu/putty/putty-website-mirror/${version}/${pname}-${version}.tar.gz"
     ];
-    sha256 = "1xgrr1fbirw79zafspg2b6crzfmlfw910y79md4r7gnxgq1kn5yk";
+    sha256 = "0gvi8phabszqksj2by5jrjmshm7bpirhgavz0dqyz1xaimxdjz2l";
   };
 
   # glib-2.62 deprecations
diff --git a/pkgs/development/python-modules/gym/default.nix b/pkgs/development/python-modules/gym/default.nix
index a1cd76cd38e..08f248acd30 100644
--- a/pkgs/development/python-modules/gym/default.nix
+++ b/pkgs/development/python-modules/gym/default.nix
@@ -29,6 +29,11 @@ buildPythonPackage rec {
     scipy
   ];
 
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "Pillow<=8.2.0" "Pillow"
+  '';
+
   # The test needs MuJoCo that is not free library.
   doCheck = false;
 
diff --git a/pkgs/os-specific/linux/kernel/linux-4.4.nix b/pkgs/os-specific/linux/kernel/linux-4.4.nix
index 6c2595386e0..9f0f566494d 100644
--- a/pkgs/os-specific/linux/kernel/linux-4.4.nix
+++ b/pkgs/os-specific/linux/kernel/linux-4.4.nix
@@ -1,13 +1,13 @@
 { buildPackages, fetchurl, perl, buildLinux, nixosTests, stdenv, ... } @ args:
 
 buildLinux (args // rec {
-  version = "4.4.276";
+  version = "4.4.277";
   extraMeta.branch = "4.4";
   extraMeta.broken = stdenv.isAarch64;
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha256 = "1hf9h5kr1ws2lvinzq6cv7aps8af1kx4q8j4bsk2vv4i2zvmfr7y";
+    sha256 = "1m5zkssh523f15fvy80rcvfwqzdkldz3jhny6vbaj8q0zvk3w5r5";
   };
 
   kernelTests = args.kernelTests or [ nixosTests.kernel-generic.linux_4_4 ];
diff --git a/pkgs/os-specific/linux/kernel/linux-4.9.nix b/pkgs/os-specific/linux/kernel/linux-4.9.nix
index 0dc5cfeae6e..5d3a556da3d 100644
--- a/pkgs/os-specific/linux/kernel/linux-4.9.nix
+++ b/pkgs/os-specific/linux/kernel/linux-4.9.nix
@@ -1,13 +1,13 @@
 { buildPackages, fetchurl, perl, buildLinux, nixosTests, stdenv, ... } @ args:
 
 buildLinux (args // rec {
-  version = "4.9.276";
+  version = "4.9.277";
   extraMeta.branch = "4.9";
   extraMeta.broken = stdenv.isAarch64;
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
-    sha256 = "16jp05jhmqcp8lawqga69gxn1acdkxsskn3a6wf0635863fky3hv";
+    sha256 = "1pkjcz9llc7hkmzfyjcx20b5njnqbkwlzyy1ncc8na71nn6rvsg6";
   };
 
   kernelTests = args.kernelTests or [ nixosTests.kernel-generic.linux_4_9 ];
diff --git a/pkgs/os-specific/linux/kernel/linux-5.13.nix b/pkgs/os-specific/linux/kernel/linux-5.13.nix
index bece15821a8..2f2dc1516b2 100644
--- a/pkgs/os-specific/linux/kernel/linux-5.13.nix
+++ b/pkgs/os-specific/linux/kernel/linux-5.13.nix
@@ -3,7 +3,7 @@
 with lib;
 
 buildLinux (args // rec {
-  version = "5.13.6";
+  version = "5.13.7";
 
   # modDirVersion needs to be x.y.z, will automatically add .0 if needed
   modDirVersion = if (modDirVersionArg == null) then concatStringsSep "." (take 3 (splitVersion "${version}.0")) else modDirVersionArg;
@@ -13,7 +13,7 @@ buildLinux (args // rec {
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
-    sha256 = "0xjjl8dmilp425b1cp977v26qxlg1147gh54kni949pzxwh1fb56";
+    sha256 = "0fg41dv62vsnv2hywym15zz0n08rhdzwqvcarspm9r5gac85c7pr";
   };
 
   kernelTests = args.kernelTests or [ nixosTests.kernel-generic.linux_5_13 ];
diff --git a/pkgs/os-specific/linux/kernel/linux-libre.nix b/pkgs/os-specific/linux/kernel/linux-libre.nix
index f02c1ad1250..854218f74d8 100644
--- a/pkgs/os-specific/linux/kernel/linux-libre.nix
+++ b/pkgs/os-specific/linux/kernel/linux-libre.nix
@@ -1,8 +1,8 @@
 { stdenv, lib, fetchsvn, linux
 , scripts ? fetchsvn {
     url = "https://www.fsfla.org/svn/fsfla/software/linux-libre/releases/branches/";
-    rev = "18191";
-    sha256 = "0ggaccg7z540kh5if48v6sjy39xllzvznqx5srvrlycrs2r89iyr";
+    rev = "18210";
+    sha256 = "1vp3d44ha68hhhk13g86j9lk0isfwqfkk1rbm0gihzjjzvpkxbab";
   }
 , ...
 }:
diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 9bf212761a9..7455e751ef2 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -11412,10 +11412,10 @@ let
 
   LinkEmbedder = buildPerlPackage {
     pname = "LinkEmbedder";
-    version = "1.18";
+    version = "1.20";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/J/JH/JHTHORSEN/LinkEmbedder-1.18.tar.gz";
-      sha256 = "17gnixbawzr0r1k37dry7axb7ry6sj2xiahki28m8qbk1l69dfjz";
+      url = "mirror://cpan/authors/id/J/JH/JHTHORSEN/LinkEmbedder-1.20.tar.gz";
+      sha256 = "19fwr3y8dd1bya2z86x3904s4dxfx15h7b777529j8n74m78ppmi";
     };
     buildInputs = [ TestDeep ];
     propagatedBuildInputs = [ Mojolicious ];