diff --git a/nixos/modules/hardware/video/nvidia.nix b/nixos/modules/hardware/video/nvidia.nix
index 73d3451c71c3..cf87ca5377dd 100644
--- a/nixos/modules/hardware/video/nvidia.nix
+++ b/nixos/modules/hardware/video/nvidia.nix
@@ -23,6 +23,7 @@ let
   offloadCfg = pCfg.offload;
   primeEnabled = syncCfg.enable || offloadCfg.enable;
   nvidiaPersistencedEnabled =  cfg.nvidiaPersistenced;
+  nvidiaSettings = cfg.nvidiaSettings;
 in
 
 {
diff --git a/nixos/modules/services/desktops/pipewire/bluez-hardware.conf.json b/nixos/modules/services/desktops/pipewire/bluez-hardware.conf.json
index cae9e1bdba06..46697ece4483 100644
--- a/nixos/modules/services/desktops/pipewire/bluez-hardware.conf.json
+++ b/nixos/modules/services/desktops/pipewire/bluez-hardware.conf.json
@@ -196,6 +196,17 @@
         "msbc-alt1"
       ]
     },
+    {
+      "sysname": "Linux",
+      "release": "~^5\\.10\\.(1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17|18|19|20|21|22|23|24|25|26|27|28|29|30|31|32|33|34|35|36|37|38|39|40|41|42|43|44|45|46|47|48|49|50)($|[^0-9])"
+    },
+    {
+      "sysname": "Linux",
+      "release": "~^5\\.10\\.",
+      "no-features": [
+        "msbc-alt1"
+      ]
+    },
     {
       "sysname": "Linux",
       "release": "~^5\\.12\\.(1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17)($|[^0-9])"
diff --git a/nixos/modules/services/desktops/pipewire/pipewire-pulse.conf.json b/nixos/modules/services/desktops/pipewire/pipewire-pulse.conf.json
index 17bbbdef1179..3ed994f11145 100644
--- a/nixos/modules/services/desktops/pipewire/pipewire-pulse.conf.json
+++ b/nixos/modules/services/desktops/pipewire/pipewire-pulse.conf.json
@@ -37,5 +37,6 @@
       }
     }
   ],
+  "context.exec": [],
   "stream.properties": {}
 }
diff --git a/pkgs/applications/networking/browsers/chromium/upstream-info.json b/pkgs/applications/networking/browsers/chromium/upstream-info.json
index 7ea337660014..5d8d4afeece8 100644
--- a/pkgs/applications/networking/browsers/chromium/upstream-info.json
+++ b/pkgs/applications/networking/browsers/chromium/upstream-info.json
@@ -1,20 +1,20 @@
 {
   "stable": {
-    "version": "92.0.4515.159",
-    "sha256": "04gxgimg5ygzx6nvfws5y9dppdfjg1fhyl8zbykmksbh1myk6zfr",
-    "sha256bin64": "0lxnqsvqr1kw6swvkhhz475j0xvaa58ha8r1gq8zxmk48mp41985",
+    "version": "93.0.4577.63",
+    "sha256": "0ls8r77la6p7474j84wchvs4rvnxwfv7c8xvbxjm8h7jqak4zwza",
+    "sha256bin64": "1kv742arnv710mhakm2v59dwfypg7j01k7rd5if8h0s49yzdw3qc",
     "deps": {
       "gn": {
-        "version": "2021-05-07",
+        "version": "2021-07-08",
         "url": "https://gn.googlesource.com/gn",
-        "rev": "39a87c0b36310bdf06b692c098f199a0d97fc810",
-        "sha256": "0x63jr5hssm9dl6la4q5ahy669k4gxvbapqxi5w32vv107jrj8v4"
+        "rev": "24e2f7df92641de0351a96096fb2c490b2436bb8",
+        "sha256": "1lwkyhfhw0zd7daqz466n7x5cddf0danr799h4jg3s0yvd4galjl"
       }
     },
     "chromedriver": {
-      "version": "92.0.4515.107",
-      "sha256_linux": "12yckzjhlhxp14j7aphnvlw4xv713vllj44h5pba181ivxavmky3",
-      "sha256_darwin": "0gm0zazwy053rip9h0ma2s53rc65b8pzy57x48ch0fpq7rrsbycp"
+      "version": "93.0.4577.15",
+      "sha256_linux": "11wcimkcgaiz740k9xibi5hq1kd4zgy1vk6bd6cp31wjw4y21x5f",
+      "sha256_darwin": "0cxf3cg5pg9rigq7wmbap6wvmgpdr6v44bndisyaqhlw7s2hhndn"
     }
   },
   "beta": {
diff --git a/pkgs/desktops/gnome/core/baobab/default.nix b/pkgs/desktops/gnome/core/baobab/default.nix
index 8d0f9459c3b0..40ff8e201543 100644
--- a/pkgs/desktops/gnome/core/baobab/default.nix
+++ b/pkgs/desktops/gnome/core/baobab/default.nix
@@ -27,23 +27,27 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
+    desktop-file-utils
+    gettext
+    glib
+    itstool
+    libxml2
     meson
     ninja
     pkg-config
-    vala
-    gettext
-    itstool
-    libxml2
-    desktop-file-utils
-    wrapGAppsHook
     python3
+    vala
+    wrapGAppsHook
+    # Prevents “error: Package `libhandy-1' not found in specified Vala API
+    # directories or GObject-Introspection GIR directories” with strictDeps,
+    # even though it should only be a runtime dependency.
+    libhandy
   ];
 
   buildInputs = [
     gtk3
     libhandy
     glib
-    gnome.adwaita-icon-theme
   ];
 
   doCheck = true;
diff --git a/pkgs/development/compilers/fstar/default.nix b/pkgs/development/compilers/fstar/default.nix
index fec71dc46fdc..0ef2e89f123a 100644
--- a/pkgs/development/compilers/fstar/default.nix
+++ b/pkgs/development/compilers/fstar/default.nix
@@ -17,13 +17,13 @@ in
 
 stdenv.mkDerivation rec {
   pname = "fstar";
-  version = "2021.07.31";
+  version = "2021.08.27";
 
   src = fetchFromGitHub {
     owner = "FStarLang";
     repo = "FStar";
     rev = "v${version}";
-    sha256 = "KZTmphpt8nYpOd8EReAZ6iIkS4uY3ZziKQ3A70BL/90=";
+    sha256 = "1bf5hrv2nv0ljvdf6jhk59lw1ds3j5qkkcylgxwakylw30g8rxqb";
   };
 
   nativeBuildInputs = [ makeWrapper installShellFiles ];
@@ -72,6 +72,7 @@ stdenv.mkDerivation rec {
     description = "ML-like functional programming language aimed at program verification";
     homepage = "https://www.fstar-lang.org";
     license = licenses.asl20;
+    changelog = "https://github.com/FStarLang/FStar/raw/v${version}/CHANGES.md";
     platforms = with platforms; darwin ++ linux;
     maintainers = with maintainers; [ gebner ];
   };
diff --git a/pkgs/development/libraries/libdeltachat/default.nix b/pkgs/development/libraries/libdeltachat/default.nix
index c61636bfb95f..e8fdad61b2af 100644
--- a/pkgs/development/libraries/libdeltachat/default.nix
+++ b/pkgs/development/libraries/libdeltachat/default.nix
@@ -16,13 +16,13 @@
 
 stdenv.mkDerivation rec {
   pname = "libdeltachat";
-  version = "1.59.0";
+  version = "1.60.0";
 
   src = fetchFromGitHub {
     owner = "deltachat";
     repo = "deltachat-core-rust";
     rev = version;
-    sha256 = "1lwck5gb2kys7wxg08q3pnb8cqhzwwqy6nxcf2yc030gmnwm4sya";
+    sha256 = "1agm5xyaib4ynmw4mhgmkhh4lnxs91wv0q9i1zfihv2vkckfm2s2";
   };
 
   patches = [
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   cargoDeps = rustPlatform.fetchCargoTarball {
     inherit src;
     name = "${pname}-${version}";
-    sha256 = "13zzc8c50cy6fknrxzw5gf6rcclsn5bcb2bi3z9mmzsl29ga32gx";
+    sha256 = "09d3mw2hb1gmqg7smaqwnfm7izw40znl0h1dz7s2imms2cnkjws1";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/libraries/pipewire/default.nix b/pkgs/development/libraries/pipewire/default.nix
index d23a7b8e7f5d..ed22eb6c6838 100644
--- a/pkgs/development/libraries/pipewire/default.nix
+++ b/pkgs/development/libraries/pipewire/default.nix
@@ -27,20 +27,29 @@
 , callPackage
 , nixosTests
 , withMediaSession ? true
-, gstreamerSupport ? true, gst_all_1 ? null
-, ffmpegSupport ? true, ffmpeg ? null
-, bluezSupport ? true, bluez ? null, sbc ? null, libfreeaptx ? null, ldacbt ? null, fdk_aac ? null
+, gstreamerSupport ? true
+, gst_all_1 ? null
+, ffmpegSupport ? true
+, ffmpeg ? null
+, bluezSupport ? true
+, bluez ? null
+, sbc ? null
+, libfreeaptx ? null
+, ldacbt ? null
+, fdk_aac ? null
 , nativeHspSupport ? true
 , nativeHfpSupport ? true
 , ofonoSupport ? true
 , hsphfpdSupport ? true
-, pulseTunnelSupport ? true, libpulseaudio ? null
-, zeroconfSupport ? true, avahi ? null
+, pulseTunnelSupport ? true
+, libpulseaudio ? null
+, zeroconfSupport ? true
+, avahi ? null
 }:
 
 let
   fontsConf = makeFontsConf {
-    fontDirectories = [];
+    fontDirectories = [ ];
   };
 
   mesonEnable = b: if b then "enabled" else "disabled";
@@ -48,7 +57,7 @@ let
 
   self = stdenv.mkDerivation rec {
     pname = "pipewire";
-    version = "0.3.33";
+    version = "0.3.34";
 
     outputs = [
       "out"
@@ -66,7 +75,7 @@ let
       owner = "pipewire";
       repo = "pipewire";
       rev = version;
-      sha256 = "sha256-HP2HcGjrLw0+8pO1upvJQk32v+bifYpi5Rtod0TbBis=";
+      sha256 = "sha256-ZFARA7YuDnpObGLWbgy1Rk+wzmAxHEMuHQkb6tWD0s0=";
     };
 
     patches = [
@@ -213,4 +222,5 @@ let
     };
   };
 
-in self
+in
+self
diff --git a/pkgs/development/python-modules/youtube-search-python/default.nix b/pkgs/development/python-modules/youtube-search-python/default.nix
new file mode 100644
index 000000000000..818baf6b36f9
--- /dev/null
+++ b/pkgs/development/python-modules/youtube-search-python/default.nix
@@ -0,0 +1,27 @@
+{ lib, buildPythonPackage, pythonOlder, fetchPypi, httpx }:
+
+buildPythonPackage rec {
+  pname = "youtube-search-python";
+  version = "1.4.7";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "7f93d9ecfd9b965dc93782d8174b1c1888f8900e2a303254037ba34e1d0ebed4";
+  };
+
+  propagatedBuildInputs = [ httpx ];
+
+  pythonImportsCheck = [ "youtubesearchpython" ];
+
+  # project has no tests
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Search for YouTube videos, channels & playlists & get video information using link WITHOUT YouTube Data API v3";
+    homepage = "https://github.com/alexmercerind/youtube-search-python";
+    license = licenses.mit;
+    maintainers = [ maintainers.marsam ];
+  };
+}
diff --git a/pkgs/development/tools/database/pgcli/default.nix b/pkgs/development/tools/database/pgcli/default.nix
index 62db92380ae2..bb8e983fa715 100644
--- a/pkgs/development/tools/database/pgcli/default.nix
+++ b/pkgs/development/tools/database/pgcli/default.nix
@@ -20,13 +20,13 @@
 
 buildPythonApplication rec {
   pname = "pgcli";
-  version = "3.1.0";
+  version = "3.2.0";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d5b2d803f7e4e7fe679306a000bde5d14d15ec590ddd108f3dc4c0ecad169d2b";
+    sha256 = "6cde97e71996bf910a40b579e5285483c10ea04962a08def01c12433d5f7c6b7";
   };
 
   propagatedBuildInputs = [
@@ -55,7 +55,7 @@ buildPythonApplication rec {
       syntax highlighting.
     '';
     homepage = "https://pgcli.com";
-    changelog = "https://github.com/dbcli/pgcli/blob/v${version}/changelog.rst";
+    changelog = "https://github.com/dbcli/pgcli/raw/v${version}/changelog.rst";
     license = licenses.bsd3;
     maintainers = with maintainers; [ dywedir ];
   };
diff --git a/pkgs/misc/emulators/wine/sources.nix b/pkgs/misc/emulators/wine/sources.nix
index 59a24c106654..212a3222b7c6 100644
--- a/pkgs/misc/emulators/wine/sources.nix
+++ b/pkgs/misc/emulators/wine/sources.nix
@@ -44,9 +44,9 @@ in rec {
 
   unstable = fetchurl rec {
     # NOTE: Don't forget to change the SHA256 for staging as well.
-    version = "6.15";
+    version = "6.16";
     url = "https://dl.winehq.org/wine/source/6.x/wine-${version}.tar.xz";
-    sha256 = "sha256-Yf1lo2WDKmK656eEKScMB2+yop8cf0YlldHzVDZRd5s=";
+    sha256 = "sha256-aVCSBQ2YoSnE1/MVPLDkkjJIuuXz2SBjn6SrGnP4+ug=";
     inherit (stable) gecko32 gecko64;
 
     ## see http://wiki.winehq.org/Mono
@@ -65,7 +65,7 @@ in rec {
   staging = fetchFromGitHub rec {
     # https://github.com/wine-staging/wine-staging/releases
     inherit (unstable) version;
-    sha256 = "sha256-zT77xmc2gD8xNSk19OPYVJB6nZmh+g6TYRhVW674RFI=";
+    sha256 = "sha256-TvTx3vSOyudyC7aravQGcj5KGqI8uHkgHroIJww5buQ=";
     owner = "wine-staging";
     repo = "wine-staging";
     rev = "v${version}";
diff --git a/pkgs/servers/elasticmq-server-bin/default.nix b/pkgs/servers/elasticmq-server-bin/default.nix
index c10ea7dd1806..bc599ebbc2c8 100644
--- a/pkgs/servers/elasticmq-server-bin/default.nix
+++ b/pkgs/servers/elasticmq-server-bin/default.nix
@@ -1,34 +1,40 @@
-{ lib, stdenv, fetchurl, jdk, jre, makeWrapper }:
+{ lib, stdenv, fetchurl, jdk, jre, makeWrapper, runCommand, python3Packages, writeText }:
 
-stdenv.mkDerivation rec {
-  pname = "elasticmq-server";
-  version = "0.14.6";
+let
+  elasticmq-server = stdenv.mkDerivation rec {
+    pname = "elasticmq-server";
+    version = "1.2.0";
 
-  src = fetchurl {
-    url = "https://s3-eu-west-1.amazonaws.com/softwaremill-public/${pname}-${version}.jar";
-    sha256 = "1cp2pmkc6gx7gr6109jlcphlky5rr6s1wj528r6hyhzdc01sjhhz";
+    src = fetchurl {
+      url = "https://s3-eu-west-1.amazonaws.com/softwaremill-public/${pname}-${version}.jar";
+      sha256 = "06bn5ixz0pvvhfvavr6njv8c2i9pgd6gj32wnp2f0fn0z1kypn1f";
+    };
+
+    # don't do anything?
+    unpackPhase = "${jdk}/bin/jar xf $src favicon.png";
+
+    nativeBuildInputs = [ makeWrapper ];
+
+    installPhase = ''
+      mkdir -p $out/bin $out/share/elasticmq-server
+
+      cp $src $out/share/elasticmq-server/elasticmq-server.jar
+
+      # TODO: how to add extraArgs? current workaround is to use JAVA_TOOL_OPTIONS environment to specify properties
+      makeWrapper ${jre}/bin/java $out/bin/elasticmq-server \
+        --add-flags "-jar $out/share/elasticmq-server/elasticmq-server.jar"
+    '';
+
+    meta = with lib; {
+      homepage = "https://github.com/softwaremill/elasticmq";
+      description = "Message queueing system with Java, Scala and Amazon SQS-compatible interfaces";
+      license = licenses.asl20;
+      platforms = platforms.unix;
+      maintainers = with maintainers; [ peterromfeldhk ];
+    };
   };
-
-  # don't do anything?
-  unpackPhase = "${jdk}/bin/jar xf $src favicon.png";
-
-  nativeBuildInputs = [ makeWrapper ];
-
-  installPhase = ''
-    mkdir -p $out/bin $out/share/elasticmq-server
-
-    cp $src $out/share/elasticmq-server/elasticmq-server.jar
-
-    # TODO: how to add extraArgs? current workaround is to use JAVA_TOOL_OPTIONS environment to specify properties
-    makeWrapper ${jre}/bin/java $out/bin/elasticmq-server \
-      --add-flags "-jar $out/share/elasticmq-server/elasticmq-server.jar"
-  '';
-
-  meta = with lib; {
-    homepage = "https://github.com/softwaremill/elasticmq";
-    description = "Message queueing system with Java, Scala and Amazon SQS-compatible interfaces";
-    license = licenses.asl20;
-    platforms = platforms.unix;
-    maintainers = with maintainers; [ peterromfeldhk ];
+in elasticmq-server.overrideAttrs (_: {
+  passthru.tests.elasticmqTest = import ./elasticmq-test.nix {
+    inherit elasticmq-server runCommand python3Packages writeText;
   };
-}
+})
diff --git a/pkgs/servers/elasticmq-server-bin/elasticmq-test.nix b/pkgs/servers/elasticmq-server-bin/elasticmq-test.nix
new file mode 100644
index 000000000000..044b74508982
--- /dev/null
+++ b/pkgs/servers/elasticmq-server-bin/elasticmq-test.nix
@@ -0,0 +1,47 @@
+{ elasticmq-server, python3Packages, runCommand, writeText}:
+
+runCommand "${elasticmq-server.name}-tests" (let
+  commonPy = ''
+    import boto3
+    client = boto3.resource(
+      "sqs",
+      endpoint_url="http://localhost:9324",
+      region_name="elasticmq",
+      aws_secret_access_key="x",
+      aws_access_key_id="x",
+      use_ssl=False,
+    )
+    queue = client.get_queue_by_name(QueueName="foobar")
+  '';
+in {
+  buildInputs = with python3Packages; [ python boto3 ];
+  emqConfig = writeText "emq-test.conf" ''
+    generate-node-address = true
+
+    queues {
+      foobar {}
+    }
+  '';
+  putMessagePy = writeText "put_message.py" ''
+    ${commonPy}
+    queue.send_message(MessageBody="bazqux")
+  '';
+  checkMessagePy = writeText "check_message.py" ''
+    ${commonPy}
+    messages = queue.receive_messages()
+    print(f"Received {messages!r}")
+    assert len(messages) == 1
+    assert messages[0].body == "bazqux"
+  '';
+}) ''
+  JAVA_TOOL_OPTIONS="-Dconfig.file=$emqConfig" ${elasticmq-server}/bin/elasticmq-server &
+  SERVER_PID=$!
+  sleep 10
+
+  python $putMessagePy
+  python $checkMessagePy
+  touch $out
+
+  # needed on darwin
+  kill $SERVER_PID
+''
diff --git a/pkgs/tools/misc/tea/default.nix b/pkgs/tools/misc/tea/default.nix
index a7af4fec7ba4..c968b57c60ad 100644
--- a/pkgs/tools/misc/tea/default.nix
+++ b/pkgs/tools/misc/tea/default.nix
@@ -2,14 +2,14 @@
 
 buildGoModule rec {
   pname = "tea";
-  version = "0.7.0";
+  version = "0.7.1";
 
   src = fetchFromGitea {
     domain = "gitea.com";
     owner = "gitea";
     repo = "tea";
     rev = "v${version}";
-    sha256 = "sha256-Kq+A6YELfBJ04t7pPnX8Ulh4NSMFn3AHggplLD9J8MY=";
+    sha256 = "sha256-Y/Znj8vVjVt+rs+n8JRQsptq5u17G2D7r98PDxPLyd4=";
   };
 
   vendorSha256 = null;
diff --git a/pkgs/tools/misc/ytmdl/default.nix b/pkgs/tools/misc/ytmdl/default.nix
index 43f46bc05231..90a0590b8d95 100644
--- a/pkgs/tools/misc/ytmdl/default.nix
+++ b/pkgs/tools/misc/ytmdl/default.nix
@@ -1,44 +1,32 @@
 { lib
-, fetchFromGitHub
-, python3
-, fetchpatch
+, python3Packages
 , ffmpeg
 }:
 
-python3.pkgs.buildPythonApplication rec {
+python3Packages.buildPythonApplication rec {
   pname = "ytmdl";
-  version = "2021.06.26";
+  version = "2021.08.01";
 
-  src = fetchFromGitHub {
-    owner = "deepjyoti30";
-    repo = pname;
-    rev = version;
-    sha256 = "1jpd5zhqg2m9vjjjw4mgzb594q1v1pq1yl65py6kw42bq9w5yl5p";
+  src = python3Packages.fetchPypi {
+    inherit pname;
+    version = builtins.replaceStrings [ ".0" ] [ "." ] version;
+    sha256 = "f5ef23dcba89aaf2307baf4ffc2326dc5c02324f646e5e5748219ed328202af4";
   };
 
-  patches = [
-    # Fixes https://github.com/deepjyoti30/ytmdl/issues/188
-    # Only needed until the next major release after 2021.06.26
-    (fetchpatch {
-      url = "https://github.com/deepjyoti30/ytmdl/commit/37ba821d9692249c1fa563505cf60bd11b8e209e.patch";
-      includes = [ "bin/ytmdl" ];
-      sha256 = "sha256-VqtthpUL0Oub3DK7tSvAnemOzPPTcLvXXeebZIGOgdc=";
-    })
-  ];
-
   postPatch = ''
     substituteInPlace setup.py \
-      --replace "bs4" "beautifulsoup4"
+      --replace "bs4" "beautifulsoup4" \
+      --replace "/etc/bash_completion.d" "share/bash-completion/completions" \
+      --replace "/usr/share/zsh/functions/Completion/Unix" "share/zsh/site-functions"
   '';
 
-
-  propagatedBuildInputs = with python3.pkgs; [
+  propagatedBuildInputs = with python3Packages; [
     ffmpeg-python
     musicbrainzngs
     rich
     simber
     pydes
-    youtube-search
+    youtube-search-python
     unidecode
     pyxdg
     downloader-cli
@@ -48,6 +36,7 @@ python3.pkgs.buildPythonApplication rec {
     pysocks
     youtube-dl
     ytmusicapi
+    spotipy
   ];
 
   makeWrapperArgs = [
diff --git a/pkgs/tools/package-management/akku/default.nix b/pkgs/tools/package-management/akku/default.nix
new file mode 100644
index 000000000000..e1baf2e0b1eb
--- /dev/null
+++ b/pkgs/tools/package-management/akku/default.nix
@@ -0,0 +1,41 @@
+{ lib, stdenv, fetchFromGitLab, autoreconfHook, pkg-config, guile, curl, substituteAll }:
+
+stdenv.mkDerivation rec {
+  pname = "akku";
+  version = "1.1.0";
+
+  src = fetchFromGitLab {
+    owner = "akkuscm";
+    repo = "akku";
+    rev = "v${version}";
+    sha256 = "1pi18aamg1fd6f9ynfl7zx92052xzf0zwmhi2pwcwjs1kbah19f5";
+  };
+
+  patches = [
+    # substitute libcurl path
+    (substituteAll {
+      src = ./hardcode-libcurl.patch;
+      libcurl = "${curl.out}/lib/libcurl${stdenv.hostPlatform.extensions.sharedLibrary}";
+    })
+  ];
+
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
+
+  buildInputs = [ guile ];
+
+  # Use a dummy package index to boostrap Akku
+  preBuild = ''
+    touch bootstrap.db
+  '';
+
+  makeFlags = [ "GUILE_AUTO_COMPILE=0" ];
+
+  meta = with lib; {
+    homepage = "https://akkuscm.org/";
+    description = "Language package manager for Scheme";
+    changelog = "https://gitlab.com/akkuscm/akku/-/raw/v${version}/NEWS.md";
+    platforms = platforms.all;
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ marsam ];
+  };
+}
diff --git a/pkgs/tools/package-management/akku/hardcode-libcurl.patch b/pkgs/tools/package-management/akku/hardcode-libcurl.patch
new file mode 100644
index 000000000000..7c5b8b50c320
--- /dev/null
+++ b/pkgs/tools/package-management/akku/hardcode-libcurl.patch
@@ -0,0 +1,18 @@
+--- old/private/http.scm
++++ new/private/http.scm
+@@ -101,14 +101,7 @@
+                  ;; shouldn't, but it's an old issue.
+                  (log/error "Could not load libcurl. Please install the curl development(!) package.")
+                  (exit 1)))
+-          (case (os-name)
+-            ((darwin) (set! libcurl (open-shared-object "libcurl.dylib")))
+-            ((msys) (set! libcurl (open-shared-object "msys-curl-4")))
+-            (else
+-             (guard (exn
+-                     (else
+-                      (set! libcurl (open-shared-object "libcurl.so.3"))))
+-               (set! libcurl (open-shared-object "libcurl.so.4"))))))
++          (set! libcurl (open-shared-object "@libcurl@")))
+         (letrec ()
+           (define %curl_global_init (foreign-procedure libcurl int curl_global_init (long)))
+           (call %curl_global_init #b11)))
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9a41f19ddea6..2d2fe13c1249 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -867,6 +867,8 @@ with pkgs;
     inherit (plasma5Packages) kdialog;
   };
 
+  akku = callPackage ../tools/package-management/akku { };
+
   albert = libsForQt5.callPackage ../applications/misc/albert {};
 
   arch-install-scripts = callPackage ../tools/misc/arch-install-scripts {};
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3cf49189e697..4a88825466c4 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -9610,6 +9610,8 @@ in {
 
   youtube-search = callPackage ../development/python-modules/youtube-search { };
 
+  youtube-search-python = callPackage ../development/python-modules/youtube-search-python { };
+
   youtube-transcript-api = callPackage ../development/python-modules/youtube-transcript-api { };
 
   yowsup = callPackage ../development/python-modules/yowsup { };