diff --git a/nixos/modules/services/misc/dendrite.nix b/nixos/modules/services/misc/dendrite.nix
index 35bec40926e..ac5df9951b3 100644
--- a/nixos/modules/services/misc/dendrite.nix
+++ b/nixos/modules/services/misc/dendrite.nix
@@ -222,6 +222,13 @@ in
         for available options with which to populate settings.
       '';
     };
+    openRegistration = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = ''
+        Allow open registration without secondary verification (reCAPTCHA).
+      '';
+    };
   };
 
   config = lib.mkIf cfg.enable {
@@ -263,6 +270,8 @@ in
           "--https-bind-address :${builtins.toString cfg.httpsPort}"
           "--tls-cert ${cfg.tlsCert}"
           "--tls-key ${cfg.tlsKey}"
+        ] ++ lib.optionals cfg.openRegistration [
+          "--really-enable-open-registration"
         ]);
         ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
         Restart = "on-failure";
diff --git a/nixos/tests/dendrite.nix b/nixos/tests/dendrite.nix
index a444c9b2001..d4a5bb13226 100644
--- a/nixos/tests/dendrite.nix
+++ b/nixos/tests/dendrite.nix
@@ -17,6 +17,7 @@ import ./make-test-python.nix (
           homeserver = { pkgs, ... }: {
             services.dendrite = {
               enable = true;
+              openRegistration = true;
               settings = {
                 global.server_name = "test-dendrite-server.com";
                 global.private_key = private_key;
diff --git a/pkgs/applications/audio/deadbeef/plugins/infobar.nix b/pkgs/applications/audio/deadbeef/plugins/infobar.nix
deleted file mode 100644
index 3f62e73e7e4..00000000000
--- a/pkgs/applications/audio/deadbeef/plugins/infobar.nix
+++ /dev/null
@@ -1,34 +0,0 @@
-{ lib, stdenv, fetchurl, pkg-config, deadbeef, gtk3, libxml2 }:
-
-stdenv.mkDerivation rec {
-  pname = "deadbeef-infobar-plugin";
-  version = "1.4";
-
-  src = fetchurl {
-    url = "https://bitbucket.org/dsimbiriatin/deadbeef-infobar/downloads/deadbeef-infobar-${version}.tar.gz";
-    sha256 = "0c9wh3wh1hdww7v96i8cy797la06mylhfi0880k8vwh88079aapf";
-  };
-
-  nativeBuildInputs = [ pkg-config ];
-  buildInputs = [ deadbeef gtk3 libxml2 ];
-
-  buildFlags = [ "gtk3" ];
-
-  installPhase = ''
-    runHook preInstall
-
-    mkdir -p $out/lib/deadbeef
-    cp gtk3/ddb_infobar_gtk3.so $out/lib/deadbeef
-
-    runHook postInstall
-  '';
-
-  meta = with lib; {
-    broken = true; # crashes DeaDBeeF and is abandoned (https://bitbucket.org/dsimbiriatin/deadbeef-infobar/issues/38/infobar-causes-deadbeef-180-to-crash)
-    description = "DeaDBeeF Infobar Plugin";
-    homepage = "https://bitbucket.org/dsimbiriatin/deadbeef-infobar";
-    license = licenses.gpl2Plus;
-    maintainers = [ maintainers.jtojnar ];
-    platforms = platforms.linux;
-  };
-}
diff --git a/pkgs/applications/audio/split2flac/default.nix b/pkgs/applications/audio/split2flac/default.nix
deleted file mode 100644
index 5de48d1b296..00000000000
--- a/pkgs/applications/audio/split2flac/default.nix
+++ /dev/null
@@ -1,62 +0,0 @@
-{ lib, stdenv, fetchFromGitHub, makeWrapper
-, shntool, cuetools
-, flac, faac, mp4v2, wavpack, mac
-, imagemagick, libiconv, enca, lame, mutagen, vorbis-tools
-, aacgain, mp3gain, vorbisgain
-}:
-
-let
-  wrapSplit2flac =  format: ''
-    makeWrapper $out/bin/.split2flac-wrapped $out/bin/split2${format} \
-      --set SPLIT2FLAC_FORMAT ${format} \
-      --prefix PATH : ${lib.makeBinPath [
-        shntool cuetools
-        flac faac mp4v2 wavpack mac
-        imagemagick libiconv enca lame mutagen vorbis-tools
-        aacgain mp3gain vorbisgain
-      ]}
-  '';
-
-in stdenv.mkDerivation rec {
-  pname = "split2flac";
-  version = "122";
-
-  src = fetchFromGitHub {
-    owner = "ftrvxmtrx";
-    repo = "split2flac";
-    rev = version;
-    sha256 = "1a71amamip25hhqx7wwzfcl3d5snry9xsiha0kw73iq2m83r2k63";
-  };
-
-  dontBuild = true;
-
-  nativeBuildInputs = [ makeWrapper ];
-
-  patchPhase = ''
-    substituteInPlace split2flac \
-      --replace 'FORMAT="''${0##*split2}"' 'FORMAT=''${SPLIT2FLAC_FORMAT:-flac}'
-  '';
-
-  installPhase = ''
-    mkdir -p $out/share/bash-completion/completions
-    cp split2flac-bash-completion.sh \
-      $out/share/bash-completion/completions/split2flac-bash-completion.sh
-
-    mkdir -p $out/bin
-    cp split2flac $out/bin/.split2flac-wrapped
-
-    ${wrapSplit2flac "flac"}
-    ${wrapSplit2flac "mp3"}
-    ${wrapSplit2flac "ogg"}
-    ${wrapSplit2flac "m4a"}
-    ${wrapSplit2flac "wav"}
-  '';
-
-  meta = with lib; {
-    description = "Split flac/ape/wv/wav + cue sheet into separate tracks";
-    homepage = "https://github.com/ftrvxmtrx/split2flac";
-    license = licenses.mit;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ jfrankenau ];
-  };
-}
diff --git a/pkgs/applications/audio/sptlrx/default.nix b/pkgs/applications/audio/sptlrx/default.nix
index 2ec9562c620..ffe4741d179 100644
--- a/pkgs/applications/audio/sptlrx/default.nix
+++ b/pkgs/applications/audio/sptlrx/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildGoModule, fetchFromGitHub }:
+{ lib, buildGoModule, fetchFromGitHub, testers, sptlrx }:
 
 buildGoModule rec {
   pname = "sptlrx";
@@ -15,6 +15,12 @@ buildGoModule rec {
 
   ldflags = [ "-s" "-w" ];
 
+  passthru.tests.version = testers.testVersion {
+    package = sptlrx;
+    # TODO Wrong version in `0.2.0`. Has been fixed upstream.
+    version = "v0.1.0";
+  };
+
   meta = with lib; {
     description = "Spotify lyrics in your terminal";
     homepage = "https://github.com/raitonoberu/sptlrx";
diff --git a/pkgs/applications/graphics/rapcad/default.nix b/pkgs/applications/graphics/rapcad/default.nix
deleted file mode 100644
index 904c9f8f402..00000000000
--- a/pkgs/applications/graphics/rapcad/default.nix
+++ /dev/null
@@ -1,34 +0,0 @@
-{ lib, stdenv, fetchFromGitHub, fetchurl, cgal, boost, gmp, mpfr, flex, bison, dxflib, readline
-, qtbase, qmake, libGLU
-}:
-
-stdenv.mkDerivation rec {
-  version = "0.9.8";
-  pname = "rapcad";
-
-  src = fetchFromGitHub {
-    owner = "gilesbathgate";
-    repo = "rapcad";
-    rev = "v${version}";
-    sha256 = "0a0sqf6h227zalh0jrz6jpm8iwji7q3i31plqk76i4qm9vsgrhir";
-  };
-
-  patches = [
-    (fetchurl {
-      url = "https://github.com/GilesBathgate/RapCAD/commit/278a8d6c7b8fe08f867002528bbab4a6319a7bb6.patch";
-      sha256 = "1vvkyf0wg79zdzs5zlggfrr1lrp1x75dglzl0mspnycwldsdwznj";
-      name = "disable-QVector-qHash.patch";
-    })
-  ];
-
-  nativeBuildInputs = [ qmake ];
-  buildInputs = [ qtbase cgal boost gmp mpfr flex bison dxflib readline libGLU ];
-
-  meta = with lib; {
-    license = licenses.gpl3;
-    maintainers = [ maintainers.raskin ];
-    platforms = platforms.linux;
-    description = "Constructive solid geometry package";
-    broken = true; # 2018-04-11
-  };
-}
diff --git a/pkgs/applications/misc/multibootusb/default.nix b/pkgs/applications/misc/multibootusb/default.nix
deleted file mode 100644
index 403df853343..00000000000
--- a/pkgs/applications/misc/multibootusb/default.nix
+++ /dev/null
@@ -1,115 +0,0 @@
-{ fetchFromGitHub, libxcb, mtools, p7zip, parted, procps, qemu, unzip, zip,
-  coreutils, gnugrep, which, gnused, e2fsprogs, autoPatchelfHook, gptfdisk,
-  python3Packages, qt5, runtimeShell, lib, util-linux, wrapQtAppsHook }:
-
-# Note: Multibootusb is tricky to maintain. It relies on the
-# $PYTHONPATH variable containing some of their code, so that
-# something like:
-#
-# from scripts import config
-#
-# works. It also relies on the current directory to find some runtime
-# resources thanks to a use of __file__.
-#
-# https://github.com/mbusb/multibootusb/blob/0d34d70c3868f1d7695cfd141141b17c075de967/scripts/osdriver.py#L59
-
-python3Packages.buildPythonApplication rec {
-  pname = "multibootusb";
-  name = "${pname}-${version}";
-  version = "9.2.0";
-
-  nativeBuildInputs = [
-    wrapQtAppsHook
-    autoPatchelfHook
-    unzip
-    zip
-  ];
-
-  runTimeDeps = [
-    coreutils
-    gnugrep
-    which
-    parted
-    util-linux
-    qemu
-    p7zip
-    gnused
-    mtools
-    procps
-    e2fsprogs
-    gptfdisk
-  ];
-
-  buildInputs = [
-    libxcb
-    python3Packages.python
-    qt5.full
-  ];
-
-  src = fetchFromGitHub {
-    owner = "mbusb";
-    repo = pname;
-    rev = "v${version}";
-
-    sha256 = "0wlan0cp6c2i0nahixgpmkm0h4n518gj8rc515d579pqqp91p2h3";
-  };
-
-  # Tests can't run inside the NixOS sandbox
-  # "Failed to connect to socket /run/dbus/system_bus_socket: No such file or directory"
-  doCheck = false;
-
-  pythonPath = with python3Packages; [
-    dbus-python
-    pyqt5
-    pytest-shutil
-    pyudev
-    six
-  ];
-
-  # multibootusb ships zips with various versions of syslinux, we need to patchelf them
-  postPatch = ''
-    for zip in $(find . -name "*.zip"); do
-      zip=$(readlink -f $zip)
-      target="$(mktemp -d)"
-      pushd $target
-      unzip $zip
-      rm $zip
-      autoPatchelf .
-      zip -r $zip *
-      popd
-    done
-  '';
-
-  postInstall = ''
-    # This script doesn't work and it doesn't add much anyway
-    rm $out/bin/multibootusb-pkexec
-
-    # The installed data isn't sufficient for whatever reason, missing gdisk/gdisk.exe
-    mkdir -p "$out/share/${pname}"
-    cp -r data "$out/share/${pname}/data"
-  '';
-
-  preFixup = ''
-    makeWrapperArgs+=(
-      # Firstly, add all necessary QT variables
-      "''${qtWrapperArgs[@]}"
-
-      # Then, add the installed scripts/ directory to the python path
-      --prefix "PYTHONPATH" ":" "$out/lib/${python3Packages.python.libPrefix}/site-packages"
-
-      # Add some runtime dependencies
-      --prefix "PATH" ":" "${lib.makeBinPath runTimeDeps}"
-
-      # Finally, move to directory that contains data
-      --chdir "$out/share/${pname}"
-    )
-  '';
-
-  meta = with lib; {
-    description = "Multiboot USB creator for Linux live disks";
-    homepage = "http://multibootusb.org/";
-    license = licenses.gpl2;
-    maintainers = []; # Looking for a maintainer!
-    broken = true; # "name 'config' is not defined", added 2021-02-06
-  };
-}
diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index 0872558d0f4..9321e491099 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -96,6 +96,7 @@
 # WARNING: NEVER set any of the options below to `true` by default.
 # Set to `!privacySupport` or `false`.
 
+, crashreporterSupport ? !privacySupport
 , geolocationSupport ? !privacySupport
 , googleAPISupport ? geolocationSupport
 , webrtcSupport ? !privacySupport
@@ -109,10 +110,6 @@
 # `browser.eme.ui.enabled` and `media.gmp-widevinecdm.enabled` accordingly
 , drmSupport ? true
 
-## other
-
-, crashreporterSupport ? false
-
 # As stated by Sylvestre Ledru (@sylvestre) on Nov 22, 2017 at
 # https://github.com/NixOS/nixpkgs/issues/31843#issuecomment-346372756 we
 # have permission to use the official firefox branding.
diff --git a/pkgs/applications/networking/cloudflared/default.nix b/pkgs/applications/networking/cloudflared/default.nix
index c75c5824283..96cddf0f42a 100644
--- a/pkgs/applications/networking/cloudflared/default.nix
+++ b/pkgs/applications/networking/cloudflared/default.nix
@@ -2,13 +2,13 @@
 
 buildGoModule rec {
   pname = "cloudflared";
-  version = "2022.5.0";
+  version = "2022.5.1";
 
   src = fetchFromGitHub {
     owner  = "cloudflare";
     repo   = "cloudflared";
     rev    = version;
-    hash   = "sha256-vz0fxSzx0vOpZy6/MVfZ467c9qdHUWZIL5wklTnnBBA=";
+    hash   = "sha256-yv4ulVkc7WX6T287kXecyE6lFlxh4YKAi2UCGkOf/lk=";
   };
 
   vendorSha256 = null;
diff --git a/pkgs/applications/science/chemistry/octopus/default.nix b/pkgs/applications/science/chemistry/octopus/default.nix
index 86addd5bd69..25749b8947c 100644
--- a/pkgs/applications/science/chemistry/octopus/default.nix
+++ b/pkgs/applications/science/chemistry/octopus/default.nix
@@ -11,13 +11,13 @@ assert (!blas.isILP64) && (!lapack.isILP64);
 
 stdenv.mkDerivation rec {
   pname = "octopus";
-  version = "11.3";
+  version = "11.4";
 
   src = fetchFromGitLab {
     owner = "octopus-code";
     repo = "octopus";
     rev = version;
-    sha256 = "0n04yvnc0rg3lvnkkdpbwkfl6zg544260p3s65vwkc5dflrhk34r";
+    sha256 = "1z423sjpc4ajjy3s7623z3rfwmp2hgis7iiiy8gb5apw73k33dyv";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/data/fonts/font-awesome-5/default.nix b/pkgs/data/fonts/font-awesome/default.nix
similarity index 76%
rename from pkgs/data/fonts/font-awesome-5/default.nix
rename to pkgs/data/fonts/font-awesome/default.nix
index 7f251232ebc..3403660b1e8 100644
--- a/pkgs/data/fonts/font-awesome-5/default.nix
+++ b/pkgs/data/fonts/font-awesome/default.nix
@@ -1,6 +1,6 @@
 { lib, fetchFromGitHub }:
 let
-  font-awesome = { version, sha256, rev ? version}: fetchFromGitHub {
+  font-awesome = { version, sha256, rev ? version }: fetchFromGitHub {
     name = "font-awesome-${version}";
 
 
@@ -21,18 +21,20 @@ let
         Font Awesome gives you scalable vector icons that can instantly be customized.
         This package includes only the OTF font. For full CSS etc. see the project website.
       '';
-      homepage = "http://fortawesome.github.io/Font-Awesome/";
+      homepage = "https://fontawesome.com/";
       license = licenses.ofl;
       platforms = platforms.all;
       maintainers = with maintainers; [ abaldeau johnazoidberg ];
     };
   };
-in {
-  # Keeping version 4 because version 5 is incompatible for some icons. That
+in
+{
+  # Keeping version 4 and 5 because version 6 is incompatible for some icons. That
   # means that projects which depend on it need to actively convert the
   # symbols. See:
   # https://github.com/greshake/i3status-rust/issues/130
   # https://fontawesome.com/how-to-use/on-the-web/setup/upgrading-from-version-4
+  # https://fontawesome.com/v6/docs/web/setup/upgrade/
   v4 = font-awesome {
     version = "4.7.0";
     rev = "v4.7.0";
@@ -42,4 +44,8 @@ in {
     version = "5.15.3";
     sha256 = "sha256-EDxk/yO3nMmtM/ytrAEgPYSBbep3rA3NrKkiqf3OsU0=";
   };
+  v6 = font-awesome {
+    version = "6.1.1";
+    sha256 = "sha256-BjK1PJQFWtKDvfQ2Vh7BoOPqYucyvOG+2Pu/Kh+JpAA";
+  };
 }
diff --git a/pkgs/data/fonts/sil-abyssinica/default.nix b/pkgs/data/fonts/sil-abyssinica/default.nix
new file mode 100644
index 00000000000..c884b5567dd
--- /dev/null
+++ b/pkgs/data/fonts/sil-abyssinica/default.nix
@@ -0,0 +1,23 @@
+{ fetchzip, lib }:
+
+let
+  version = "1.500";
+in
+fetchzip {
+  name = "sil-abyssinica-${version}";
+  url = "mirror://debian/pool/main/f/fonts-sil-abyssinica/fonts-sil-abyssinica_${version}.orig.tar.xz";
+  sha256 = "sha256-fCa88wG2JfHTaHaBkuvoncbcbrh3XNzc8ewS3W+W/fM=";
+
+  postFetch = ''
+    mkdir -p $out/share/fonts
+    tar xf $downloadedFile --strip-components=1 -C $out/share/fonts AbyssinicaSIL-${version}/AbyssinicaSIL-R.ttf
+  '';
+
+  meta = with lib; {
+    description = "Unicode font for Ethiopian and Erythrean scripts (Amharic et al.)";
+    homepage = "https://software.sil.org/abyssinica/";
+    license = licenses.ofl;
+    maintainers = with lib.maintainers; [ serge ];
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/development/libraries/libdap/default.nix b/pkgs/development/libraries/libdap/default.nix
deleted file mode 100644
index 8eacd9706a8..00000000000
--- a/pkgs/development/libraries/libdap/default.nix
+++ /dev/null
@@ -1,23 +0,0 @@
-{ lib, stdenv, fetchurl, bison, libuuid, curl, libxml2, flex }:
-
-stdenv.mkDerivation rec {
-  version = "3.20.6";
-  pname = "libdap";
-
-  nativeBuildInputs = [ bison flex ];
-  buildInputs = [ libuuid curl libxml2 ];
-
-  src = fetchurl {
-    url = "https://www.opendap.org/pub/source/${pname}-${version}.tar.gz";
-    sha256 = "0jn5bi8k2lq6mmrsw7r1r5aviyf8gb39b2iy20v4kpkj5napzk1m";
-  };
-
-  meta = with lib; {
-    description = "A C++ SDK which contains an implementation of DAP";
-    homepage = "https://www.opendap.org/software/libdap";
-    license = licenses.lgpl2;
-    maintainers = [ maintainers.bzizou ];
-    platforms = platforms.linux;
-    broken = true;
-  };
-}
diff --git a/pkgs/development/libraries/libssh2/1_10.nix b/pkgs/development/libraries/libssh2/1_10.nix
deleted file mode 100644
index edba7a84ef2..00000000000
--- a/pkgs/development/libraries/libssh2/1_10.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{ libssh2, fetchurl }:
-
-libssh2.overrideAttrs (attrs: rec {
-  version = "1.10.0";
-  src = fetchurl {
-    url = with attrs; "${meta.homepage}/download/${pname}-${version}.tar.gz";
-    sha256 = "sha256-LWTpDz3tOUuR06LndMogOkF59prr7gMAPlpvpiHkHVE=";
-  };
-  patches = [];
-})
diff --git a/pkgs/development/libraries/libxml2/default.nix b/pkgs/development/libraries/libxml2/default.nix
index 06c073c718a..f0b4d0baf4f 100644
--- a/pkgs/development/libraries/libxml2/default.nix
+++ b/pkgs/development/libraries/libxml2/default.nix
@@ -124,7 +124,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with lib; {
-    homepage = "http://xmlsoft.org/";
+    homepage = "https://gitlab.gnome.org/GNOME/libxml2";
     description = "XML parsing library for C";
     license = licenses.mit;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/openbr/default.nix b/pkgs/development/libraries/openbr/default.nix
deleted file mode 100644
index 8e56e250ac4..00000000000
--- a/pkgs/development/libraries/openbr/default.nix
+++ /dev/null
@@ -1,27 +0,0 @@
-{ lib, stdenv, fetchFromGitHub, cmake, opencv, qtbase, qtsvg }:
-
-stdenv.mkDerivation {
-
-  version = "0.5";
-  pname = "openbr";
-
-  src = fetchFromGitHub {
-    owner = "biometrics";
-    repo = "openbr";
-    rev = "cc364a89a86698cd8d3052f42a3cb520c929b325";
-    sha256 = "12y00cf5dlzp9ciiwbihf6xhlkdxpydhscv5hwp83qjdllid9rrz";
-  };
-
-  buildInputs = [ opencv qtbase qtsvg ];
-
-  nativeBuildInputs = [ cmake ];
-
-  meta = {
-    description = "Open Source Biometric Recognition";
-    homepage = "http://openbiometrics.org/";
-    license = lib.licenses.asl20;
-    maintainers = with lib.maintainers; [flosse];
-    platforms = with lib.platforms; linux;
-    broken = true;
-  };
-}
diff --git a/pkgs/development/python-modules/aioqsw/default.nix b/pkgs/development/python-modules/aioqsw/default.nix
index ae311fe4bc7..d788b1e8c7c 100644
--- a/pkgs/development/python-modules/aioqsw/default.nix
+++ b/pkgs/development/python-modules/aioqsw/default.nix
@@ -8,7 +8,7 @@
 
 buildPythonPackage rec {
   pname = "aioqsw";
-  version = "0.0.7";
+  version = "0.0.8";
   format = "setuptools";
 
   disabled = pythonOlder "3.8";
@@ -17,7 +17,7 @@ buildPythonPackage rec {
     owner = "Noltari";
     repo = pname;
     rev = "refs/tags/${version}";
-    hash = "sha256-EEgEpil6/pa3gihiLZ5RrtTxP63H24VmMc8Nf1Vsrw8=";
+    hash = "sha256-FSH7MWtxYdJjCLpit2IhxXUFkGWml6P0SroUJ3iorRw=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/azure-eventhub/default.nix b/pkgs/development/python-modules/azure-eventhub/default.nix
index de3ddb803aa..feafb56323c 100644
--- a/pkgs/development/python-modules/azure-eventhub/default.nix
+++ b/pkgs/development/python-modules/azure-eventhub/default.nix
@@ -3,21 +3,27 @@
 , fetchPypi
 , azure-core
 , uamqp
+, pythonOlder
+, typing-extensions
 }:
 
 buildPythonPackage rec {
   pname = "azure-eventhub";
-  version = "5.7.0";
+  version = "5.9.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
     extension = "zip";
-    sha256 = "6ac364e5f1c5b376604c3b5a25ad0be5e3a5f96368f590e05b47e6745f1006ee";
+    sha256 = "509c6b351db0c1674a7c33308e6ffebc5a9bd2b0a9d10bcb2fa3d0a3a47d42d0";
   };
 
   propagatedBuildInputs = [
     azure-core
     uamqp
+    typing-extensions
   ];
 
   # too complicated to set up
@@ -31,6 +37,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Microsoft Azure Event Hubs Client Library for Python";
     homepage = "https://github.com/Azure/azure-sdk-for-python/tree/master/sdk/eventhub/azure-eventhub";
+    changelog = "https://github.com/Azure/azure-sdk-for-python/blob/azure-eventhub_${version}/sdk/eventhub/azure-eventhub/CHANGELOG.md";
     license = licenses.mit;
     maintainers = with maintainers; [ dotlambda ];
   };
diff --git a/pkgs/development/python-modules/flux-led/default.nix b/pkgs/development/python-modules/flux-led/default.nix
index 9e1c881805e..590f1d9f824 100644
--- a/pkgs/development/python-modules/flux-led/default.nix
+++ b/pkgs/development/python-modules/flux-led/default.nix
@@ -8,7 +8,7 @@
 
 buildPythonPackage rec {
   pname = "flux-led";
-  version = "0.28.28";
+  version = "0.28.29";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -17,7 +17,7 @@ buildPythonPackage rec {
     owner = "Danielhiversen";
     repo = "flux_led";
     rev = version;
-    sha256 = "sha256-FtZHZ48XGo+0aP4ARSfzI9xzFVptYhG6CDVGTT4oDBQ=";
+    sha256 = "sha256-Hwe8eshY5j+10fARCp7fMnZf2Sxal7+7Vj5DYVPNXks=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/moku/default.nix b/pkgs/development/python-modules/moku/default.nix
new file mode 100644
index 00000000000..3ed68ce8b47
--- /dev/null
+++ b/pkgs/development/python-modules/moku/default.nix
@@ -0,0 +1,57 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, zeroconf
+, requests
+, setuptools
+}:
+
+buildPythonPackage rec {
+  pname = "moku";
+  version = "2.3";
+
+  /*
+
+  Pypi's webpage <https://pypi.org/project/moku/> lists
+  https://github.com/liquidinstruments/moku/archive/${version}.tar.gz as the
+  download link, but that repository doesn't exist from some reason :/. When
+  packaging this, I didn't find any mention of a git repo of the sources. Note
+  that the pymoku <https://github.com/liquidinstruments/pymoku> repo holds the
+  sources of the legacy API package.
+
+  */
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-EzVcECjJyrr2NLQkG0Yp/jYBMnsEP1/FnS5O3UplszI=";
+  };
+  /*
+
+  Note: If you run `moku download` and encounter the error:
+
+  [Errno 13] Permission denied: '/nix/store/.../lib/python 3.9/site-packages/moku/data'
+
+  Then use the $MOKU_DATA_PATH environment variable to control where the
+  downloaded files will go to. It is undocumented upstream and there's no
+  repository to contribute such documentation unfortunately. Also there is no
+  suitable default value for this on Nix systems, so there's no patch we can
+  apply locally to make the situation better.
+
+  */
+
+  propagatedBuildInputs = [
+    zeroconf
+    requests
+    setuptools
+  ];
+
+  pythonImportsCheck = [
+    "moku"
+  ];
+
+  meta = with lib; {
+    description = "Python scripting interface to the Liquid Instruments Moku";
+    homepage = "https://apis.liquidinstruments.com/starting-python.html";
+    license = licenses.mit;
+    maintainers = with maintainers; [ doronbehar ];
+  };
+}
diff --git a/pkgs/development/python-modules/openshift/default.nix b/pkgs/development/python-modules/openshift/default.nix
index c233f88c73f..497af2e735d 100644
--- a/pkgs/development/python-modules/openshift/default.nix
+++ b/pkgs/development/python-modules/openshift/default.nix
@@ -44,8 +44,8 @@ buildPythonPackage rec {
   ];
 
   disabledTestPaths = [
-    # requires docker
-    "test/functional"
+    # requires kubeconfig
+    "test/integration"
   ];
 
   meta = with lib; {
diff --git a/pkgs/development/python-modules/pcapy-ng/default.nix b/pkgs/development/python-modules/pcapy-ng/default.nix
new file mode 100644
index 00000000000..7fec65bfb52
--- /dev/null
+++ b/pkgs/development/python-modules/pcapy-ng/default.nix
@@ -0,0 +1,59 @@
+{ lib
+, buildPythonPackage
+, cython
+, fetchFromGitHub
+, libpcap
+, pkgconfig
+, pytestCheckHook
+, python
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pcapy-ng";
+  version = "1.0.9";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "stamparm";
+    repo = pname;
+    rev = version;
+    hash = "sha256-6LA2n7Kv0MiZcqUJpi0lDN4Q+GcOttYw7hJwVqK/DU0=";
+  };
+
+  nativeBuildInputs = [
+    cython
+    pkgconfig
+  ];
+
+  buildInputs = [
+    libpcap
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  preCheck = ''
+    cd tests
+  '';
+
+  pythonImportsCheck = [
+    "pcapy"
+  ];
+
+  doCheck = pythonOlder "3.10";
+
+  pytestFlagsArray = [
+    "pcapytests.py"
+  ];
+
+  meta = with lib; {
+    description = "Module to interface with the libpcap packet capture library";
+    homepage = "https://github.com/stamparm/pcapy-ng/";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/plugwise/default.nix b/pkgs/development/python-modules/plugwise/default.nix
index 396583b9ee4..6bbcd9d78cc 100644
--- a/pkgs/development/python-modules/plugwise/default.nix
+++ b/pkgs/development/python-modules/plugwise/default.nix
@@ -20,7 +20,7 @@
 
 buildPythonPackage rec {
   pname = "plugwise";
-  version = "0.18.0";
+  version = "0.18.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -29,7 +29,7 @@ buildPythonPackage rec {
     owner = pname;
     repo = "python-plugwise";
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-kpEs5LvUz61Wm2IUI6sNXx2R+vtuHq1Y6aaj+zLrr+Q=";
+    sha256 = "sha256-jdRwaw5hPP8VCmCp3l5idjzrHJ2vLhYpC6yPCmOF56Y=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/praw/default.nix b/pkgs/development/python-modules/praw/default.nix
index ddef2dcc1c1..967ff88be92 100644
--- a/pkgs/development/python-modules/praw/default.nix
+++ b/pkgs/development/python-modules/praw/default.nix
@@ -15,16 +15,16 @@
 
 buildPythonPackage rec {
   pname = "praw";
-  version = "7.5.0";
+  version = "7.6.0";
   format = "setuptools";
 
-  disabled = pythonOlder "3.6";
+  disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "praw-dev";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-xcITJ349ek9Y0HvJwzKJ7xDUV74w2v3yTBaj5n8YJ58=";
+    sha256 = "sha256-y2eynMsjF4wZd31YoLdtk8F+ga7Z3R+IQkQK0x0RAGA=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/slack-sdk/default.nix b/pkgs/development/python-modules/slack-sdk/default.nix
index baba69922eb..7e80ad35c5c 100644
--- a/pkgs/development/python-modules/slack-sdk/default.nix
+++ b/pkgs/development/python-modules/slack-sdk/default.nix
@@ -20,7 +20,7 @@
 
 buildPythonPackage rec {
   pname = "slack-sdk";
-  version = "3.16.0";
+  version = "3.16.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
@@ -29,7 +29,7 @@ buildPythonPackage rec {
     owner = "slackapi";
     repo = "python-slack-sdk";
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-odu8/xT2TuOLT2jRztPDUHcGMfmHvWrsnDRkp4yGaY0=";
+    sha256 = "sha256-XTt2R0JypbDGJtiWqFzmui7UVLK4/U46co7LcHkSbWo=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/validobj/default.nix b/pkgs/development/python-modules/validobj/default.nix
new file mode 100644
index 00000000000..2cf21522d4b
--- /dev/null
+++ b/pkgs/development/python-modules/validobj/default.nix
@@ -0,0 +1,31 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, flit
+, hypothesis
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "validobj";
+  version = "0.5.1";
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "430b0b56931a2cebdb857a9fe9da2467c06a3b4db37b728e7f1a8706e8887705";
+  };
+
+  nativeBuildInputs = [ flit ];
+
+  checkInputs = [ hypothesis pytestCheckHook ];
+
+  pythonImportsCheck = [ "validobj" ];
+
+  meta = with lib; {
+    description = "Validobj is library that takes semistructured data (for example JSON and YAML configuration files) and converts it to more structured Python objects";
+    homepage = "https://github.com/Zaharid/validobj";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ veprbl ];
+  };
+}
diff --git a/pkgs/development/tools/analysis/tfsec/default.nix b/pkgs/development/tools/analysis/tfsec/default.nix
index cedf2535df3..ee84ca66b24 100644
--- a/pkgs/development/tools/analysis/tfsec/default.nix
+++ b/pkgs/development/tools/analysis/tfsec/default.nix
@@ -5,13 +5,13 @@
 
 buildGoModule rec {
   pname = "tfsec";
-  version = "1.20.0";
+  version = "1.20.2";
 
   src = fetchFromGitHub {
     owner = "aquasecurity";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-ikMmd+avT8Fl+oZti2aegX4knYmPgEE/FOMAMZriV0g=";
+    sha256 = "sha256-1zMFetWPfSJn0QSomLf9yHjbjNyKzUKOfKIBEKUWxIs=";
   };
 
   ldflags = [
@@ -21,7 +21,7 @@ buildGoModule rec {
     # "-extldflags '-fno-PIC -static'"
   ];
 
-  vendorSha256 = "sha256-LRXnBSG+xpQ3QqF2SiC2s3luTaBxFHOF3XXxhFZV5D0=";
+  vendorSha256 = "sha256-klgETD1hw9XPJfgiI3sRlYqfhVoh/fhComkCs4BhSI4=";
 
   subPackages = [
     "cmd/tfsec"
diff --git a/pkgs/development/tools/cloudsmith-cli/default.nix b/pkgs/development/tools/cloudsmith-cli/default.nix
index c58455ac24b..46e2a7801f6 100644
--- a/pkgs/development/tools/cloudsmith-cli/default.nix
+++ b/pkgs/development/tools/cloudsmith-cli/default.nix
@@ -4,14 +4,14 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "cloudsmith-cli";
-  version = "0.31.1";
+  version = "0.32.0";
 
   format = "wheel";
 
   src = python3.pkgs.fetchPypi {
     pname = "cloudsmith_cli";
     inherit format version;
-    sha256 = "sha256-r8h0fHePZoqy/oFOedkwAke0b+Huasuv+sWcL92EZ+k=";
+    sha256 = "ZETVtRlzd9KUOeDyAH0MnnIy1WtGLVBm+bActUM4zBw=";
   };
 
   propagatedBuildInputs = with python3.pkgs; [
diff --git a/pkgs/development/tools/vogl/default.nix b/pkgs/development/tools/vogl/default.nix
deleted file mode 100644
index 2e9e8936ddb..00000000000
--- a/pkgs/development/tools/vogl/default.nix
+++ /dev/null
@@ -1,57 +0,0 @@
-{ mkDerivation, lib, fetchFromGitHub
-, cmake, git, pkg-config, wget, zip
-, qtbase, qtx11extras
-, libdwarf, libjpeg_turbo, libunwind, xz, tinyxml, libX11
-, SDL2, SDL2_gfx, SDL2_image, SDL2_ttf
-, freeglut, libGLU
-, fetchpatch
-}:
-
-mkDerivation {
-  pname = "vogl";
-  version = "2016-05-13";
-
-  src = fetchFromGitHub {
-    owner  = "deepfire";
-    repo   = "vogl";
-    rev    = "cbc5f1853e294b363f16c4e00b3e0c49dbf74559";
-    sha256 = "17gwd73x3lnqv6ccqs48pzqwbzjhbn41c0x0l5zzirhiirb3yh0n";
-  };
-
-  patches = [
-    (fetchpatch {
-      name = "fix-qt59.patch";
-      url = "https://github.com/ValveSoftware/vogl/commit/be3d85f.patch";
-      sha256 = "1yh4jd35mds337waqxdw3w22w7ghn05b5jm7fb4iihl39mhq6qyv";
-    })
-  ];
-
-  nativeBuildInputs = [ cmake pkg-config ];
-
-  buildInputs = [
-    git wget zip
-    qtbase qtx11extras
-    libdwarf libjpeg_turbo libunwind xz tinyxml libX11
-    SDL2 SDL2_gfx SDL2_image SDL2_ttf
-    freeglut libGLU
-  ];
-
-  dontUseCmakeBuildDir = true;
-  preConfigure = ''
-    cmakeDir=$PWD
-    mkdir -p vogl/vogl_build/release64 && cd $_
-  '';
-  cmakeFlags = [
-    "-DCMAKE_VERBOSE=On"
-    "-DBUILD_X64=On"
-  ];
-
-  meta = with lib; {
-    description = "OpenGL capture / playback debugger";
-    homepage = "https://github.com/ValveSoftware/vogl";
-    license = licenses.mit;
-    maintainers = [ maintainers.deepfire ];
-    platforms = [ "x86_64-linux" "i686-linux" ];
-    broken = true;
-  };
-}
diff --git a/pkgs/development/web/flyctl/default.nix b/pkgs/development/web/flyctl/default.nix
index 0e569ad70df..714cab494f7 100644
--- a/pkgs/development/web/flyctl/default.nix
+++ b/pkgs/development/web/flyctl/default.nix
@@ -1,4 +1,4 @@
-{ buildGoModule, fetchFromGitHub, lib }:
+{ buildGoModule, fetchFromGitHub, lib, testers, flyctl }:
 
 buildGoModule rec {
   pname = "flyctl";
@@ -32,9 +32,15 @@ buildGoModule rec {
   '';
 
   postCheck = ''
-    go test ./... -ldflags="-X 'github.com/superfly/flyctl/internal/buildinfo.buildDate=1970-01-01T00:00:00+0000'"
+    go test ./... -ldflags="-X 'github.com/superfly/flyctl/internal/buildinfo.buildDate=1970-01-01T00:00:00Z'"
   '';
 
+  passthru.tests.version = testers.testVersion {
+    package = flyctl;
+    command = "HOME=$(mktemp -d) flyctl version";
+    version = "v${flyctl.version}";
+  };
+
   meta = with lib; {
     description = "Command line tools for fly.io services";
     downloadPage = "https://github.com/superfly/flyctl";
diff --git a/pkgs/games/ue4/default.nix b/pkgs/games/ue4/default.nix
index 95f0d64f197..0260e4f2e20 100644
--- a/pkgs/games/ue4/default.nix
+++ b/pkgs/games/ue4/default.nix
@@ -76,7 +76,8 @@ stdenv.mkDerivation rec {
     homepage = "https://www.unrealengine.com/what-is-unreal-engine-4";
     license = lib.licenses.unfree;
     platforms = lib.platforms.linux;
-    maintainers = [ lib.maintainers.puffnfresh ];
+    maintainers = [ ];
+    # See issue https://github.com/NixOS/nixpkgs/issues/17162
     broken = true;
   };
 }
diff --git a/pkgs/misc/cups/drivers/samsung/4.00.39/default.nix b/pkgs/misc/cups/drivers/samsung/4.00.39/default.nix
deleted file mode 100644
index 92f5fdc409c..00000000000
--- a/pkgs/misc/cups/drivers/samsung/4.00.39/default.nix
+++ /dev/null
@@ -1,44 +0,0 @@
-# Tested on linux-x86_64.  Might work on linux-i386.  Probably won't work on anything else.
-
-# To use this driver in NixOS, add it to printing.drivers in configuration.nix.
-# configuration.nix might look like this when you're done:
-# { pkgs, ... }: {
-#   printing = {
-#     enable = true;
-#     drivers = [ pkgs.samsungUnifiedLinuxDriver ];
-#   };
-#   (more stuff)
-# }
-# (This advice was tested on 2010 August 2.)
-
-{ lib, stdenv, fetchurl, cups, gcc, ghostscript, glibc, patchelf }:
-
-# Do not bump lightly! Visit <http://www.bchemnet.com/suldr/supported.html>
-# to see what will break when upgrading. Consider a new versioned attribute.
-let
-  cups' = lib.getLib cups;
-in stdenv.mkDerivation rec {
-  pname = "samsung-UnifiedLinuxDriver";
-  version = "4.00.39";
-
-  src = fetchurl {
-    url = "http://www.bchemnet.com/suldr/driver/UnifiedLinuxDriver-${version}.tar.gz";
-    sha256 = "144b4xggbzjfq7ga5nza7nra2cf6qn63z5ls7ba1jybkx1vm369k";
-  };
-
-  nativeBuildInputs = [ patchelf ];
-  buildInputs = [ cups' gcc ghostscript glibc ];
-
-  inherit gcc ghostscript glibc;
-  cups = cups';
-
-  builder = ./builder.sh;
-
-  meta = with lib; {
-    description = "Samsung's Linux printing drivers; includes binaries without source code";
-    homepage = "http://www.samsung.com/";
-    license = licenses.unfree;
-    platforms = platforms.linux;
-    broken = true;   # libscmssc.so and libmfp.so can't find their library dependencies at run-time
-  };
-}
diff --git a/pkgs/os-specific/linux/kernel/hardened/patches.json b/pkgs/os-specific/linux/kernel/hardened/patches.json
index 16b0ac27fc6..99008cfcf28 100644
--- a/pkgs/os-specific/linux/kernel/hardened/patches.json
+++ b/pkgs/os-specific/linux/kernel/hardened/patches.json
@@ -12,51 +12,51 @@
     "4.19": {
         "patch": {
             "extra": "-hardened1",
-            "name": "linux-hardened-4.19.240-hardened1.patch",
-            "sha256": "1qhrwpjfy5c75zcpvp1b0xb460vyjv04iml2inqrhnj9zcz1kgp8",
-            "url": "https://github.com/anthraxx/linux-hardened/releases/download/4.19.240-hardened1/linux-hardened-4.19.240-hardened1.patch"
+            "name": "linux-hardened-4.19.241-hardened1.patch",
+            "sha256": "1ynhclfiswgbm0kdg7nvx4lizixhfskbj91imklsy0mp5brgfpbz",
+            "url": "https://github.com/anthraxx/linux-hardened/releases/download/4.19.241-hardened1/linux-hardened-4.19.241-hardened1.patch"
         },
-        "sha256": "1hj6vngynx6kjaczjl77jjwqq0kh0lm6jdqjvakd1cgrppaizb3j",
-        "version": "4.19.240"
+        "sha256": "04zyi22c2d91k7v2w0s8v112cqqf24km599mn18k2nafq79njqjc",
+        "version": "4.19.241"
     },
     "5.10": {
         "patch": {
             "extra": "-hardened1",
-            "name": "linux-hardened-5.10.113-hardened1.patch",
-            "sha256": "0v6blapny74fkhsm5rksxg632hv3chh81wgc96l6ql4sy7p19riv",
-            "url": "https://github.com/anthraxx/linux-hardened/releases/download/5.10.113-hardened1/linux-hardened-5.10.113-hardened1.patch"
+            "name": "linux-hardened-5.10.114-hardened1.patch",
+            "sha256": "0ml5ghywz550d5vj1qfw0528ax7pilnf5rvwn4780gqnkn44nbcd",
+            "url": "https://github.com/anthraxx/linux-hardened/releases/download/5.10.114-hardened1/linux-hardened-5.10.114-hardened1.patch"
         },
-        "sha256": "1z3dd5hrdbn2axsi2n70n41q1dq2dvg7s8aph1p6yiajpc16llc2",
-        "version": "5.10.113"
+        "sha256": "09h5ngcl8clsvsv11q6ksvgcs01whlwbbrlpj1jz8mg3gjsrzl07",
+        "version": "5.10.114"
     },
     "5.15": {
         "patch": {
             "extra": "-hardened1",
-            "name": "linux-hardened-5.15.36-hardened1.patch",
-            "sha256": "1y52bayw2n1lc1vp9jz8a39fz32x81ivaw24kc6hdr23yg0a8q5g",
-            "url": "https://github.com/anthraxx/linux-hardened/releases/download/5.15.36-hardened1/linux-hardened-5.15.36-hardened1.patch"
+            "name": "linux-hardened-5.15.38-hardened1.patch",
+            "sha256": "0nrwxi48v8ij1sfh15qkiil2i28vqy24gr9ciklbdl5kgy3glvf4",
+            "url": "https://github.com/anthraxx/linux-hardened/releases/download/5.15.38-hardened1/linux-hardened-5.15.38-hardened1.patch"
         },
-        "sha256": "1466557034q1fzvpy8vwj8ps3cv2q8s7z76af9y1jz4kgaqmsd1n",
-        "version": "5.15.36"
+        "sha256": "0lhhl766mrl2mbbvn7gkajfzja4v1f96xm9qq3z8pf4h1515shby",
+        "version": "5.15.38"
     },
     "5.17": {
         "patch": {
             "extra": "-hardened1",
-            "name": "linux-hardened-5.17.5-hardened1.patch",
-            "sha256": "1cv43sp2amai7r75dw07bd2ys6fz1ri9pfra3kaajap55sbalsw0",
-            "url": "https://github.com/anthraxx/linux-hardened/releases/download/5.17.5-hardened1/linux-hardened-5.17.5-hardened1.patch"
+            "name": "linux-hardened-5.17.6-hardened1.patch",
+            "sha256": "100lvwzrjq6v69faaydyn3cm03l0kq36hjiyid3iwi035a2vljy8",
+            "url": "https://github.com/anthraxx/linux-hardened/releases/download/5.17.6-hardened1/linux-hardened-5.17.6-hardened1.patch"
         },
-        "sha256": "11z95wsgmj97pg77yck26l0383gncbla0zwpzv4gjdj4p62x3g4v",
-        "version": "5.17.5"
+        "sha256": "035i9i0gg3fxi5ighjrya97592sk0i4xagra6a8m8nxyh21z3k34",
+        "version": "5.17.6"
     },
     "5.4": {
         "patch": {
             "extra": "-hardened1",
-            "name": "linux-hardened-5.4.191-hardened1.patch",
-            "sha256": "117v9xb9y3bmppxmrbya5a4d869fh6l7map25g5n03sca56g7c32",
-            "url": "https://github.com/anthraxx/linux-hardened/releases/download/5.4.191-hardened1/linux-hardened-5.4.191-hardened1.patch"
+            "name": "linux-hardened-5.4.192-hardened1.patch",
+            "sha256": "1i0x4f51qlq3bi7zfk8xvjgrl758y8nidb6wp3f507w6ic1757hg",
+            "url": "https://github.com/anthraxx/linux-hardened/releases/download/5.4.192-hardened1/linux-hardened-5.4.192-hardened1.patch"
         },
-        "sha256": "0fharjqasvq76pciwci6qamdadpfjh2n8gdyri8fj65drmgsi318",
-        "version": "5.4.191"
+        "sha256": "14wyvacajnj6fnxqrash7b8inq0lgmglydqa30kb21zva88jwj1j",
+        "version": "5.4.192"
     }
 }
diff --git a/pkgs/os-specific/linux/kernel/linux-5.10.nix b/pkgs/os-specific/linux/kernel/linux-5.10.nix
index 1ac78adf7c7..ba61e44fc75 100644
--- a/pkgs/os-specific/linux/kernel/linux-5.10.nix
+++ b/pkgs/os-specific/linux/kernel/linux-5.10.nix
@@ -3,7 +3,7 @@
 with lib;
 
 buildLinux (args // rec {
-  version = "5.10.113";
+  version = "5.10.114";
 
   # 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;
@@ -13,6 +13,6 @@ buildLinux (args // rec {
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
-    sha256 = "1z3dd5hrdbn2axsi2n70n41q1dq2dvg7s8aph1p6yiajpc16llc2";
+    sha256 = "09h5ngcl8clsvsv11q6ksvgcs01whlwbbrlpj1jz8mg3gjsrzl07";
   };
 } // (args.argsOverride or {}))
diff --git a/pkgs/os-specific/linux/kernel/linux-5.15.nix b/pkgs/os-specific/linux/kernel/linux-5.15.nix
index 007258e7336..fb0311a523f 100644
--- a/pkgs/os-specific/linux/kernel/linux-5.15.nix
+++ b/pkgs/os-specific/linux/kernel/linux-5.15.nix
@@ -3,7 +3,7 @@
 with lib;
 
 buildLinux (args // rec {
-  version = "5.15.37";
+  version = "5.15.38";
 
   # 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;
@@ -15,6 +15,6 @@ buildLinux (args // rec {
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
-    sha256 = "09n0l9ly111r6jbpgz1kw2q4n4mmcv5jxfhs5bcsiyjp44d0kgqq";
+    sha256 = "0lhhl766mrl2mbbvn7gkajfzja4v1f96xm9qq3z8pf4h1515shby";
   };
 } // (args.argsOverride or { }))
diff --git a/pkgs/os-specific/linux/kernel/linux-5.17.nix b/pkgs/os-specific/linux/kernel/linux-5.17.nix
index 4c67169b706..6af5cb06546 100644
--- a/pkgs/os-specific/linux/kernel/linux-5.17.nix
+++ b/pkgs/os-specific/linux/kernel/linux-5.17.nix
@@ -3,7 +3,7 @@
 with lib;
 
 buildLinux (args // rec {
-  version = "5.17.5";
+  version = "5.17.6";
 
   # 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;
@@ -13,6 +13,6 @@ buildLinux (args // rec {
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
-    sha256 = "11z95wsgmj97pg77yck26l0383gncbla0zwpzv4gjdj4p62x3g4v";
+    sha256 = "035i9i0gg3fxi5ighjrya97592sk0i4xagra6a8m8nxyh21z3k34";
   };
 } // (args.argsOverride or { }))
diff --git a/pkgs/os-specific/linux/kernel/linux-5.4.nix b/pkgs/os-specific/linux/kernel/linux-5.4.nix
index 073d0ef7705..2ce46309465 100644
--- a/pkgs/os-specific/linux/kernel/linux-5.4.nix
+++ b/pkgs/os-specific/linux/kernel/linux-5.4.nix
@@ -3,7 +3,7 @@
 with lib;
 
 buildLinux (args // rec {
-  version = "5.4.191";
+  version = "5.4.192";
 
   # 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;
@@ -13,6 +13,6 @@ buildLinux (args // rec {
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
-    sha256 = "0fharjqasvq76pciwci6qamdadpfjh2n8gdyri8fj65drmgsi318";
+    sha256 = "14wyvacajnj6fnxqrash7b8inq0lgmglydqa30kb21zva88jwj1j";
   };
 } // (args.argsOverride or {}))
diff --git a/pkgs/os-specific/linux/kernel/linux-libre.nix b/pkgs/os-specific/linux/kernel/linux-libre.nix
index 7bb6e5f7972..78646dddf96 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 = "18688";
-    sha256 = "15f83zcwxk28b3a4am8avi0xwd7zr79n00150k6xdf3g8haz7yaj";
+    rev = "18713";
+    sha256 = "10744jp1i7z3jwpc42vrmdfpq1yblf3vy17yb04xdfhimkflw77p";
   }
 , ...
 }:
diff --git a/pkgs/servers/dendrite/default.nix b/pkgs/servers/dendrite/default.nix
index 82c6d4ba3e6..2b12a47edc8 100644
--- a/pkgs/servers/dendrite/default.nix
+++ b/pkgs/servers/dendrite/default.nix
@@ -1,17 +1,30 @@
-{ lib, buildGoModule, fetchFromGitHub, nixosTests }:
+{ lib, buildGoModule, fetchFromGitHub, fetchurl, nixosTests, postgresql, postgresqlTestHook }:
 
 buildGoModule rec {
   pname = "matrix-dendrite";
-  version = "0.8.1";
+  version = "0.8.4";
 
   src = fetchFromGitHub {
     owner = "matrix-org";
     repo = "dendrite";
     rev = "v${version}";
-    sha256 = "sha256-cEqedl6iVt/HZEh1zeEcqby8gfJEcqIDEQnPewyErMI=";
+    sha256 = "sha256-w4un+TdFTzfVZltvo6ZAPQ3B9HJvnGlJW+LmZHuYk1M=";
   };
 
-  vendorSha256 = "sha256-nQx+PyjRvECeIerZ9jq7YMTSS8LfohY7NgK8DklREQQ=";
+  vendorSha256 = "sha256-AJ7Hn23aji/cXioDaOSyF8XD3Mr135DZf7KbUW1SoJ4=";
+
+  checkInputs = [
+    postgresqlTestHook
+    postgresql
+  ];
+
+  postgresqlTestUserOptions = "LOGIN SUPERUSER";
+  preCheck = ''
+    export PGUSER=$(whoami)
+    # temporarily disable this failing test
+    # it passes in upstream CI and requires further investigation
+    rm roomserver/internal/input/input_test.go
+  '';
 
   passthru.tests = {
     inherit (nixosTests) dendrite;
diff --git a/pkgs/shells/rc/default.nix b/pkgs/shells/rc/default.nix
index af43c42dd4b..804919665ec 100644
--- a/pkgs/shells/rc/default.nix
+++ b/pkgs/shells/rc/default.nix
@@ -1,42 +1,44 @@
-{ lib, stdenv, fetchurl, autoreconfHook
-, ncurses #acinclude.m4 wants headers for tgetent().
-, historySupport ? false
-, readline ? null
-}:
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, byacc
+, ncurses, readline
+, historySupport ? false, readlineSupport ? true }:
 
 stdenv.mkDerivation rec {
   pname = "rc";
-  version = "1.7.4";
+  version = "unstable-2021-08-03";
 
-  src = fetchurl {
-    url = "http://static.tobold.org/rc/rc-${version}.tar.gz";
-    sha256 = "1n5zz6d6z4z6s3fwa0pscqqawy561k4xfnmi91i626hcvls67ljy";
+  src = fetchFromGitHub {
+    owner = "rakitzis";
+    repo = "rc";
+    rev = "8ca9ab1305c3e30cd064290081d6e5a1fa841d26";
+    sha256 = "0744ars6y9zzsjr9xazms91qy6bi7msg2gg87526waziahfh4s4z";
   };
 
   nativeBuildInputs = [ autoreconfHook ];
-  buildInputs = [ ncurses ]
-    ++ lib.optionals (readline != null) [ readline ];
+
+  # acinclude.m4 wants headers for tgetent().
+  buildInputs = [ byacc ncurses ]
+    ++ lib.optionals readlineSupport [ readline ];
 
   configureFlags = [
     "--enable-def-interp=${stdenv.shell}" #183
     ] ++ lib.optionals historySupport [ "--with-history" ]
-    ++ lib.optionals (readline != null) [ "--with-edit=readline" ];
+    ++ lib.optionals readlineSupport [ "--with-edit=readline" ];
 
-  prePatch = ''
+  #reproducible-build
+  postPatch = ''
     substituteInPlace configure.ac \
-      --replace "date -I" "echo 2015-05-13" #reproducible-build
+      --replace "$(git describe || echo '(git description unavailable)')" "${builtins.substring 0 7 src.rev}"
   '';
 
-  passthru = {
-    shellPath = "/bin/rc";
-  };
+  passthru.shellPath = "/bin/rc";
 
   meta = with lib; {
     description = "The Plan 9 shell";
-    longDescription = "Byron Rakitzis' UNIX reimplementation of Tom Duff's Plan 9 shell.";
-    homepage = "http://tobold.org/article/rc";
+    longDescription = "Byron Rakitzis' UNIX reimplementation of Tom Duff's Plan 9 shell";
+    homepage = "https://web.archive.org/web/20180820053030/tobold.org/article/rc";
     license = with licenses; zlib;
     maintainers = with maintainers; [ ramkromberg ];
+    mainProgram = "rc";
     platforms = with platforms; all;
   };
 }
diff --git a/pkgs/tools/misc/snapper/default.nix b/pkgs/tools/misc/snapper/default.nix
index e14d3732d76..1df8492a8e2 100644
--- a/pkgs/tools/misc/snapper/default.nix
+++ b/pkgs/tools/misc/snapper/default.nix
@@ -6,13 +6,13 @@
 
 stdenv.mkDerivation rec {
   pname = "snapper";
-  version = "0.10.0";
+  version = "0.10.2";
 
   src = fetchFromGitHub {
     owner = "openSUSE";
     repo = "snapper";
     rev = "v${version}";
-    sha256 = "sha256-02ufjPuXK3a+gQ8kp968KXd3Jgvx4O6TO2Q5wL5n2cw=";
+    sha256 = "0x9anracaa19yqkc0x8wangrkdrx01kdy07c55lvlqrjyimfm4ih";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/tools/security/neopg/default.nix b/pkgs/tools/security/neopg/default.nix
deleted file mode 100644
index e39be14475e..00000000000
--- a/pkgs/tools/security/neopg/default.nix
+++ /dev/null
@@ -1,49 +0,0 @@
-{ lib, stdenv
-, fetchFromGitHub
-, cmake
-, sqlite
-, botan2
-, boost
-, curl
-, gettext
-, pkg-config
-, libusb1
-, gnutls }:
-
-stdenv.mkDerivation rec {
-  pname = "neopg";
-  version = "0.0.6";
-
-  src = fetchFromGitHub {
-    owner = "das-labor";
-    repo = "neopg";
-    rev = "v${version}";
-    sha256 = "15xp5w046ix59cfrhh8ka4camr0d8qqw643g184sqrcqwpk7nbrx";
-    fetchSubmodules = true;
-  };
-
-  nativeBuildInputs = [  cmake gettext pkg-config ];
-
-  buildInputs = [ sqlite botan2 boost curl libusb1 gnutls ];
-
-  doCheck = true;
-  checkTarget = "test";
-  dontUseCmakeBuildDir = true;
-
-  preCheck = ''
-    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$(pwd)/3rdparty/googletest/googletest:$(pwd)/neopg
-  '';
-
-  meta = with lib; {
-    homepage = "https://neopg.io/";
-    description = "Modern replacement for GnuPG 2";
-    license = licenses.gpl3;
-    longDescription = ''
-      NeoPG starts as an opiniated fork of GnuPG 2 to clean up the code and make it easier to develop.
-      It is written in C++11.
-    '';
-    maintainers = with maintainers; [ erictapen ];
-    platforms = platforms.linux;
-    broken = true; # fails to build with recent versions of botan. https://github.com/das-labor/neopg/issues/98
-  };
-}
diff --git a/pkgs/tools/typesetting/pdftk/legacy.nix b/pkgs/tools/typesetting/pdftk/legacy.nix
deleted file mode 100644
index 18997887037..00000000000
--- a/pkgs/tools/typesetting/pdftk/legacy.nix
+++ /dev/null
@@ -1,44 +0,0 @@
-{ fetchurl, lib, stdenv, gcj, unzip }:
-
-stdenv.mkDerivation rec {
-  pname = "pdftk";
-  version = "2.02";
-
-  src = fetchurl {
-    url = "https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/pdftk-${version}-src.zip";
-    sha256 = "1hdq6zm2dx2f9h7bjrp6a1hfa1ywgkwydp14i2sszjiszljnm3qi";
-  };
-
-  nativeBuildInputs = [ gcj unzip ];
-
-  hardeningDisable = [ "fortify" "format" ];
-
-  preBuild = ''
-    cd pdftk
-    sed -e 's@/usr/bin/@@g' -i Makefile.*
-    NIX_ENFORCE_PURITY= \
-      make \
-      LIBGCJ="${gcj.cc}/share/java/libgcj-${gcj.cc.version}.jar" \
-      GCJ=gcj GCJH=gcjh GJAR=gjar \
-      -iC ../java all
-  '';
-
-  # Makefile.Debian has almost fitting defaults
-  makeFlags = [ "-f" "Makefile.Debian" "VERSUFF=" ];
-
-  installPhase = ''
-    mkdir -p $out/bin $out/share/man/man1
-    cp pdftk $out/bin
-    cp ../pdftk.1 $out/share/man/man1
-  '';
-
-
-  meta = {
-    description = "Simple tool for doing everyday things with PDF documents";
-    homepage = "https://www.pdflabs.com/tools/pdftk-server/";
-    license = lib.licenses.gpl2;
-    maintainers = with lib.maintainers; [ raskin ];
-    platforms = with lib.platforms; linux;
-    broken = true; # Broken on Hydra since 2020-08-24
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index d44822c31c9..38d1e796db4 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1031,6 +1031,7 @@ mapAliases ({
   polysh = throw "polysh has been removed from nixpkgs as the upstream has abandoned the project"; # Added 2022-01-01
   poppler_qt5 = throw "'poppler_qt5' has been renamed to/replaced by 'libsForQt5.poppler'"; # Converted to throw 2022-02-22
   powerdns = pdns; # Added 2022-03-28
+  portaudio2014 = throw "'portaudio2014' has been removed"; # Added 2022-05-10
 
   # postgresql
   postgresql96 = postgresql_9_6;
@@ -1240,6 +1241,7 @@ mapAliases ({
   spidermonkey_68 = throw "spidermonkey_68 has been removed. Please use spidermonkey_91 instead"; # added 2022-01-04
   # spidermonkey is not ABI upwards-compatible, so only allow this for nix-shell
   spidermonkey = spidermonkey_78; # Added 2020-10-09
+  split2flac = throw "split2flac has been removed. Consider using the shnsplit command from shntool package or help packaging unflac."; # added 2022-01-13
   spring-boot = spring-boot-cli; # added 2020-04-24
   sqlite3_analyzer = throw "'sqlite3_analyzer' has been renamed to/replaced by 'sqlite-analyzer'"; # Converted to throw 2022-02-22
   sqliteInteractive = throw "'sqliteInteractive' has been renamed to/replaced by 'sqlite-interactive'"; # Converted to throw 2022-02-22
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 369f864df22..377656e0d2f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8535,8 +8535,6 @@ with pkgs;
 
   ndisc6 = callPackage ../tools/networking/ndisc6 { };
 
-  neopg = callPackage ../tools/security/neopg { };
-
   netboot = callPackage ../tools/networking/netboot {};
 
   netbootxyz-efi = callPackage ../tools/misc/netbootxyz-efi { };
@@ -18331,8 +18329,6 @@ with pkgs;
 
   libdaemon = callPackage ../development/libraries/libdaemon { };
 
-  libdap = callPackage ../development/libraries/libdap { };
-
   libdatrie = callPackage ../development/libraries/libdatrie { };
 
   libdazzle = callPackage ../development/libraries/libdazzle { };
@@ -19155,8 +19151,6 @@ with pkgs;
   libssh = callPackage ../development/libraries/libssh { };
 
   libssh2 = callPackage ../development/libraries/libssh2 { };
-  #FIXME: temporary attribute
-  libssh2_1_10 = callPackage ../development/libraries/libssh2/1_10.nix { };
 
   libstartup_notification = callPackage ../development/libraries/startup-notification { };
 
@@ -20075,13 +20069,6 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) AudioToolbox AudioUnit CoreAudio CoreServices Carbon;
   };
 
-  portaudio2014 = portaudio.overrideAttrs (_: {
-    src = fetchurl {
-      url = "http://www.portaudio.com/archives/pa_stable_v19_20140130.tgz";
-      sha256 = "0mwddk4qzybaf85wqfhxqlf0c5im9il8z03rd4n127k8y2jj9q4g";
-    };
-  });
-
   portmidi = callPackage ../development/libraries/portmidi {
     inherit (darwin.apple_sdk.frameworks) Carbon CoreAudio CoreFoundation CoreMIDI CoreServices;
   };
@@ -24255,9 +24242,10 @@ with pkgs;
   flat-remix-gtk = callPackage ../data/themes/flat-remix-gtk { };
   flat-remix-gnome = callPackage ../data/themes/flat-remix-gnome { };
 
-  font-awesome_4 = (callPackage ../data/fonts/font-awesome-5 { }).v4;
-  font-awesome_5 = (callPackage ../data/fonts/font-awesome-5 { }).v5;
-  font-awesome = font-awesome_5;
+  font-awesome_4 = (callPackage ../data/fonts/font-awesome { }).v4;
+  font-awesome_5 = (callPackage ../data/fonts/font-awesome { }).v5;
+  font-awesome_6 = (callPackage ../data/fonts/font-awesome { }).v6;
+  font-awesome = font-awesome_6;
 
   fraunces = callPackage ../data/fonts/fraunces { };
 
@@ -24761,6 +24749,8 @@ with pkgs;
 
   sierra-gtk-theme = callPackage ../data/themes/sierra { };
 
+  sil-abyssinica = callPackage ../data/fonts/sil-abyssinica { };
+
   sil-padauk = callPackage ../data/fonts/sil-padauk { };
 
   snap7 = callPackage ../development/libraries/snap7 {};
@@ -25731,7 +25721,6 @@ with pkgs;
 
   deadbeefPlugins = {
     headerbar-gtk3 = callPackage ../applications/audio/deadbeef/plugins/headerbar-gtk3.nix { };
-    infobar = callPackage ../applications/audio/deadbeef/plugins/infobar.nix { };
     lyricbar = callPackage ../applications/audio/deadbeef/plugins/lyricbar.nix { };
     mpris2 = callPackage ../applications/audio/deadbeef/plugins/mpris2.nix { };
     statusnotifier = callPackage ../applications/audio/deadbeef/plugins/statusnotifier.nix { };
@@ -26753,8 +26742,6 @@ with pkgs;
 
   moe =  callPackage ../applications/editors/moe { };
 
-  multibootusb = libsForQt514.callPackage ../applications/misc/multibootusb { qt5 = qt514; };
-
   praat = callPackage ../applications/audio/praat { };
 
   quvi = callPackage ../applications/video/quvi/tool.nix {
@@ -28863,7 +28850,6 @@ with pkgs;
   pdftk = callPackage ../tools/typesetting/pdftk {
     jre = jre8; # TODO: remove override https://github.com/NixOS/nixpkgs/pull/89731
   };
-  pdftk-legacy = lowPrio (callPackage ../tools/typesetting/pdftk/legacy.nix { });
   pdfgrep  = callPackage ../tools/typesetting/pdfgrep { };
 
   pdfpc = callPackage ../applications/misc/pdfpc {
@@ -29273,8 +29259,6 @@ with pkgs;
 
   raiseorlaunch = callPackage ../applications/misc/raiseorlaunch {};
 
-  rapcad = libsForQt514.callPackage ../applications/graphics/rapcad { boost = boost159; };
-
   rapid-photo-downloader = libsForQt5.callPackage ../applications/graphics/rapid-photo-downloader { };
 
   rapidsvn = callPackage ../applications/version-management/rapidsvn { };
@@ -29502,10 +29486,6 @@ with pkgs;
 
   spideroak = callPackage ../applications/networking/spideroak { };
 
-  split2flac = callPackage ../applications/audio/split2flac {
-    inherit (python3.pkgs) mutagen;
-  };
-
   spotify-qt = libsForQt5.callPackage ../applications/audio/spotify-qt { };
 
   spotify-tray = callPackage ../applications/misc/spotify-tray { };
@@ -30384,8 +30364,6 @@ with pkgs;
 
   vocal = callPackage ../applications/audio/vocal { };
 
-  vogl = libsForQt5.callPackage ../development/tools/vogl { };
-
   volnoti = callPackage ../applications/misc/volnoti { };
 
   vorbis-tools = callPackage ../applications/audio/vorbis-tools {
@@ -32403,8 +32381,6 @@ with pkgs;
   xcowsay = callPackage ../games/xcowsay { };
 
   xjump = callPackage ../games/xjump { };
-  # TODO: the corresponding nix file is missing
-  # xracer = callPackage ../games/xracer { };
 
   xmoto = callPackage ../games/xmoto { };
 
@@ -34524,7 +34500,6 @@ with pkgs;
 
   samsung-unified-linux-driver_1_00_36 = callPackage ../misc/cups/drivers/samsung/1.00.36 { };
   samsung-unified-linux-driver_1_00_37 = callPackage ../misc/cups/drivers/samsung/1.00.37.nix { };
-  samsung-unified-linux-driver_4_00_39 = callPackage ../misc/cups/drivers/samsung/4.00.39 { };
   samsung-unified-linux-driver_4_01_17 = callPackage ../misc/cups/drivers/samsung/4.01.17.nix { };
   samsung-unified-linux-driver = res.samsung-unified-linux-driver_4_01_17;
 
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3fd57e228de..c922fad2898 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5348,6 +5348,8 @@ in {
 
   mohawk = callPackage ../development/python-modules/mohawk { };
 
+  moku = callPackage ../development/python-modules/moku { };
+
   monero = callPackage ../development/python-modules/monero { };
 
   mongomock = callPackage ../development/python-modules/mongomock { };
@@ -6179,6 +6181,8 @@ in {
 
   pc-ble-driver-py = toPythonModule (callPackage ../development/python-modules/pc-ble-driver-py { });
 
+  pcapy-ng = callPackage ../development/python-modules/pcapy-ng { };
+
   pcodedmp = callPackage ../development/python-modules/pcodedmp { };
 
   pcpp = callPackage ../development/python-modules/pcpp { };
@@ -10722,6 +10726,8 @@ in {
 
   validictory = callPackage ../development/python-modules/validictory { };
 
+  validobj = callPackage ../development/python-modules/validobj { };
+
   variants = callPackage ../development/python-modules/variants { };
 
   varint = callPackage ../development/python-modules/varint { };
diff --git a/pkgs/top-level/qt5-packages.nix b/pkgs/top-level/qt5-packages.nix
index 7629790d50d..8551c5f9bff 100644
--- a/pkgs/top-level/qt5-packages.nix
+++ b/pkgs/top-level/qt5-packages.nix
@@ -154,8 +154,6 @@ in (kdeFrameworks // plasmaMobileGear // plasma5 // plasma5.thirdParty // kdeGea
 
   mlt = callPackage ../development/libraries/mlt/qt-5.nix { };
 
-  openbr = callPackage ../development/libraries/openbr { };
-
   phonon = callPackage ../development/libraries/phonon { };
 
   phonon-backend-gstreamer = callPackage ../development/libraries/phonon/backends/gstreamer.nix { };