diff --git a/.github/labeler.yml b/.github/labeler.yml
index 77422234ab3..1b0392692ed 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -5,6 +5,10 @@
   - pkgs/development/libraries/agda/**/*
   - pkgs/top-level/agda-packages.nix
 
+"6.topic: bsd":
+  - pkgs/os-specific/bsd/**/*
+  - pkgs/stdenv/freebsd/**/*
+
 "6.topic: cinnamon":
   - pkgs/desktops/cinnamon/**/*
 
diff --git a/nixos/doc/manual/release-notes/rl-2105.xml b/nixos/doc/manual/release-notes/rl-2105.xml
index de64aa64bda..e0552c25a85 100644
--- a/nixos/doc/manual/release-notes/rl-2105.xml
+++ b/nixos/doc/manual/release-notes/rl-2105.xml
@@ -675,6 +675,11 @@ environment.systemPackages = [
      Currently, the service doesn't enforce nor checks the correct number of paths to correspond to minio requirements.
     </para>
    </listitem>
+   <listitem>
+    <para>
+     All CUDA toolkit versions prior to CUDA 10 have been removed.
+    </para>
+   </listitem>
   </itemizedlist>
  </section>
 
diff --git a/pkgs/applications/audio/sublime-music/default.nix b/pkgs/applications/audio/sublime-music/default.nix
index f584b13a292..15963faf06b 100644
--- a/pkgs/applications/audio/sublime-music/default.nix
+++ b/pkgs/applications/audio/sublime-music/default.nix
@@ -1,4 +1,12 @@
-{ fetchFromGitLab, lib, python3Packages, gobject-introspection, gtk3, pango, wrapGAppsHook
+{ fetchFromGitLab
+, fetchpatch
+, lib
+, python3Packages
+, gobject-introspection
+, gtk3
+, pango
+, wrapGAppsHook
+, xvfb_run
 , chromecastSupport ? false
 , serverSupport ? false
 , keyringSupport ? true
@@ -8,18 +16,29 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "sublime-music";
-  version = "0.11.10";
+  version = "0.11.11";
+  format = "pyproject";
 
   src = fetchFromGitLab {
     owner = "sublime-music";
     repo = pname;
     rev = "v${version}";
-    sha256 = "1g78gmiywg07kaywfc9q0yab2bzxs936vb3157ni1z0flbmcwrry";
+    sha256 = "sha256-r4Tn/7CGDny8Aa4kF4PM5ZKMYthMJ7801X3zPdvXh4Q=";
   };
 
+  patches = [
+    # Switch to poetry-core:
+    # https://gitlab.com/sublime-music/sublime-music/-/merge_requests/60
+    (fetchpatch {
+      name = "use-poetry-core.patch";
+      url = "https://gitlab.com/sublime-music/sublime-music/-/commit/9b0af19dbdfdcc5a0fa23e73bb34c7135a8c2855.patch";
+      sha256 = "sha256-cXG0RvrnBpme6yKWM0nfqMqoK0qPT6spflJ9AaaslVg=";
+    })
+  ];
+
   nativeBuildInputs = [
     gobject-introspection
-    python3Packages.setuptools
+    python3Packages.poetry-core
     wrapGAppsHook
   ];
 
@@ -53,8 +72,14 @@ python3Packages.buildPythonApplication rec {
   # https://github.com/NixOS/nixpkgs/issues/56943
   strictDeps = false;
 
-  # no tests
-  doCheck = false;
+  # Use the test suite provided by the upstream project.
+  checkInputs = with python3Packages; [
+    pytest
+    pytest-cov
+  ];
+  checkPhase = "${xvfb_run}/bin/xvfb-run pytest";
+
+  # Also run the python import check for sanity
   pythonImportsCheck = [ "sublime_music" ];
 
   postInstall = ''
diff --git a/pkgs/applications/video/jellyfin-media-player/default.nix b/pkgs/applications/video/jellyfin-media-player/default.nix
index bac7619c33a..d5a1f9635b6 100644
--- a/pkgs/applications/video/jellyfin-media-player/default.nix
+++ b/pkgs/applications/video/jellyfin-media-player/default.nix
@@ -26,18 +26,18 @@
 
 mkDerivation rec {
   pname = "jellyfin-media-player";
-  version = "1.3.1";
+  version = "1.4.0";
 
   src = fetchFromGitHub {
-    owner = "iwalton3";
+    owner = "jellyfin";
     repo = "jellyfin-media-player";
     rev = "v${version}";
-    sha256 = "sha256-rXW6vC0Ow8xFblXjGYaDExAZM8RgqLkDHiX7R8vAWjI=";
+    sha256 = "sha256-zNEjhBya2loqFYS8Rjs8CMCfvie2/UbxreF8CUwDWWk=";
   };
 
   jmpDist = fetchzip {
-    url = "https://github.com/iwalton3/jellyfin-web-jmp/releases/download/jwc-10.7.2/dist.zip";
-    sha256 = "sha256-EpNAN4nzINiwMrmg0e4x3uJRTy5ovx4ZkmP83Kbn4S0=";
+    url = "https://github.com/iwalton3/jellyfin-web-jmp/releases/download/jwc-10.7.2-1/dist.zip";
+    sha256 = "sha256-oTZyIh2m9z55sNIeKtHxVijBMcTtJgpojG5HUToMYoA=";
   };
 
   patches = [
@@ -99,7 +99,7 @@ mkDerivation rec {
   '';
 
   meta = with lib; {
-    homepage = "https://github.com/iwalton3/jellyfin-media-player";
+    homepage = "https://github.com/jellyfin/jellyfin-media-player";
     description = "Jellyfin Desktop Client based on Plex Media Player";
     license = with licenses; [ gpl2Plus mit ];
     platforms = [ "x86_64-linux" "x86_64-darwin" ];
diff --git a/pkgs/applications/virtualization/spice-vdagent/default.nix b/pkgs/applications/virtualization/spice-vdagent/default.nix
index 48b0423983d..67ac8119fd5 100644
--- a/pkgs/applications/virtualization/spice-vdagent/default.nix
+++ b/pkgs/applications/virtualization/spice-vdagent/default.nix
@@ -2,15 +2,12 @@
  libpciaccess, libxcb, libXrandr, libXinerama, libXfixes, dbus, libdrm,
  systemd}:
 stdenv.mkDerivation rec {
-  name = "spice-vdagent-0.20.0";
+  pname = "spice-vdagent";
+  version = "0.21.0";
   src = fetchurl {
-    url = "https://www.spice-space.org/download/releases/${name}.tar.bz2";
-    sha256 = "0n9k2kna2gd1zi6jv45zsp2jlv439nz5l5jjijirxqaycwi74srf";
+    url = "https://www.spice-space.org/download/releases/${pname}-${version}.tar.bz2";
+    sha256 = "0n8jlc1pv6mkry161y656b1nk9hhhminjq6nymzmmyjl7k95ymzx";
   };
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=address-of-packed-member" ];
-  patchFlags = [ "-uNp1" ];
-  # included in the next release.
-  patches = [ ./timeout.diff ];
   postPatch = ''
     substituteInPlace data/spice-vdagent.desktop --replace /usr $out
   '';
@@ -29,7 +26,7 @@ stdenv.mkDerivation rec {
        * Multiple displays
     '';
     homepage = "https://www.spice-space.org/";
-    license = lib.licenses.gpl3;
+    license = lib.licenses.gpl3Plus;
     maintainers = [ lib.maintainers.aboseley ];
     platforms = lib.platforms.linux;
   };
diff --git a/pkgs/applications/virtualization/spice-vdagent/timeout.diff b/pkgs/applications/virtualization/spice-vdagent/timeout.diff
deleted file mode 100644
index 2021e98e41f..00000000000
--- a/pkgs/applications/virtualization/spice-vdagent/timeout.diff
+++ /dev/null
@@ -1,84 +0,0 @@
-diff --git a/src/udscs.c b/src/udscs.c
-index 4de75f8..7c99eed 100644
---- a/src/udscs.c
-+++ b/src/udscs.c
-@@ -186,6 +186,7 @@ struct udscs_server *udscs_server_new(
-     server->read_callback = read_callback;
-     server->error_cb = error_cb;
-     server->service = g_socket_service_new();
-+    g_socket_service_stop(server->service);
- 
-     g_signal_connect(server->service, "incoming",
-         G_CALLBACK(udscs_server_accept_cb), server);
-@@ -223,6 +224,11 @@ void udscs_server_listen_to_address(struct udscs_server *server,
-     g_object_unref(sock_addr);
- }
- 
-+void udscs_server_start(struct udscs_server *server)
-+{
-+    g_socket_service_start(server->service);
-+}
-+
- void udscs_server_destroy_connection(struct udscs_server *server,
-                                      UdscsConnection     *conn)
- {
-diff --git a/src/udscs.h b/src/udscs.h
-index 45ebd3f..4f7ea36 100644
---- a/src/udscs.h
-+++ b/src/udscs.h
-@@ -98,6 +98,8 @@ void udscs_server_listen_to_address(struct udscs_server *server,
-                                     const gchar         *addr,
-                                     GError             **err);
- 
-+void udscs_server_start(struct udscs_server *server);
-+
- void udscs_server_destroy_connection(struct udscs_server *server,
-                                      UdscsConnection     *conn);
- 
-diff --git a/src/vdagentd/vdagentd.c b/src/vdagentd/vdagentd.c
-index cfd0a51..753c9bf 100644
---- a/src/vdagentd/vdagentd.c
-+++ b/src/vdagentd/vdagentd.c
-@@ -1184,10 +1184,6 @@ int main(int argc, char *argv[])
-         uinput_device = g_strdup(DEFAULT_UINPUT_DEVICE);
-     }
- 
--    g_unix_signal_add(SIGINT, signal_handler, NULL);
--    g_unix_signal_add(SIGHUP, signal_handler, NULL);
--    g_unix_signal_add(SIGTERM, signal_handler, NULL);
--
-     openlog("spice-vdagentd", do_daemonize ? 0 : LOG_PERROR, LOG_USER);
- 
-     /* Setup communication with vdagent process(es) */
-@@ -1228,9 +1224,6 @@ int main(int argc, char *argv[])
-         }
-     }
- 
--    if (do_daemonize)
--        daemonize();
--
- #ifdef WITH_STATIC_UINPUT
-     uinput = vdagentd_uinput_create(uinput_device, 1024, 768, NULL, 0,
-                                     debug > 1, uinput_fake);
-@@ -1240,6 +1233,13 @@ int main(int argc, char *argv[])
-     }
- #endif
- 
-+    if (do_daemonize)
-+        daemonize();
-+
-+    g_unix_signal_add(SIGINT, signal_handler, NULL);
-+    g_unix_signal_add(SIGHUP, signal_handler, NULL);
-+    g_unix_signal_add(SIGTERM, signal_handler, NULL);
-+
-     if (want_session_info)
-         session_info = session_info_create(debug);
-     if (session_info) {
-@@ -1252,6 +1252,7 @@ int main(int argc, char *argv[])
- 
-     active_xfers = g_hash_table_new(g_direct_hash, g_direct_equal);
- 
-+    udscs_server_start(server);
-     loop = g_main_loop_new(NULL, FALSE);
-     g_main_loop_run(loop);
- 
diff --git a/pkgs/desktops/gnome-3/extensions/unite/default.nix b/pkgs/desktops/gnome-3/extensions/unite/default.nix
index efb793cb1bd..20acb214609 100644
--- a/pkgs/desktops/gnome-3/extensions/unite/default.nix
+++ b/pkgs/desktops/gnome-3/extensions/unite/default.nix
@@ -1,13 +1,13 @@
 { lib, stdenv, gnome3, fetchFromGitHub, xprop, glib }:
 stdenv.mkDerivation rec {
   pname = "gnome-shell-extension-unite";
-  version = "50";
+  version = "51";
 
   src = fetchFromGitHub {
     owner = "hardpixel";
     repo = "unite-shell";
     rev = "v${version}";
-    sha256 = "14n9lrjbxcmvcjnh6zbwlc1paqfhbg81lj0y2d35sh1c2fbsb7d9";
+    sha256 = "0mic7h5l19ly79l02inm33992ffkxsh618d6zbr39gvn4405g6wk";
   };
 
   uuid = "unite@hardpixel.eu";
diff --git a/pkgs/development/beam-modules/default.nix b/pkgs/development/beam-modules/default.nix
index 6e6da4fab03..6bf9e45e622 100644
--- a/pkgs/development/beam-modules/default.nix
+++ b/pkgs/development/beam-modules/default.nix
@@ -63,6 +63,8 @@ let
         debugInfo = true;
       };
 
+      elixir_ls = callPackage ./elixir_ls.nix { inherit elixir fetchMixDeps mixRelease; };
+
       # Remove old versions of elixir, when the supports fades out:
       # https://hexdocs.pm/elixir/compatibility-and-deprecations.html
 
diff --git a/pkgs/development/beam-modules/elixir_ls.nix b/pkgs/development/beam-modules/elixir_ls.nix
new file mode 100644
index 00000000000..916a150c1f9
--- /dev/null
+++ b/pkgs/development/beam-modules/elixir_ls.nix
@@ -0,0 +1,71 @@
+{ lib, elixir, fetchFromGitHub, fetchMixDeps, mixRelease }:
+# Based on the work of Hauleth
+# None of this would have happened without him
+
+mixRelease rec {
+  pname = "elixir-ls";
+  version = "0.7.0";
+
+  src = fetchFromGitHub {
+    owner = "elixir-lsp";
+    repo = "elixir-ls";
+    rev = "v{version}";
+    sha256 = "0d0hqc35hfjkpm88vz21mnm2a9rxiqfrdi83whhhh6d2ba216b7s";
+    fetchSubmodules = true;
+  };
+
+  mixDeps = fetchMixDeps {
+    pname = "mix-deps-${pname}";
+    inherit src version;
+    sha256 = "0r9x223imq4j9pn9niskyaybvk7jmq8dxcyzk7kwfsi128qig1a1";
+  };
+
+  # elixir_ls is an umbrella app
+  # override configurePhase to not skip umbrella children
+  configurePhase = ''
+    runHook preConfigure
+    mix deps.compile --no-deps-check
+    runHook postConfigure
+  '';
+
+  # elixir_ls require a special step for release
+  # compile and release need to be performed together because
+  # of the no-deps-check requirement
+  buildPhase = ''
+    runHook preBuild
+    mix do compile --no-deps-check, elixir_ls.release
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin
+    cp -Rv release $out/lib
+    # Prepare the wrapper script
+    substitute release/language_server.sh $out/bin/elixir-ls \
+      --replace 'exec "''${dir}/launch.sh"' "exec $out/lib/launch.sh"
+    chmod +x $out/bin/elixir-ls
+    # prepare the launcher
+    substituteInPlace $out/lib/launch.sh \
+      --replace "ERL_LIBS=\"\$SCRIPTPATH:\$ERL_LIBS\"" \
+                "ERL_LIBS=$out/lib:\$ERL_LIBS" \
+      --replace "exec elixir" "exec ${elixir}/bin/elixir"
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/elixir-lsp/elixir-ls";
+    description = ''
+      A frontend-independent IDE "smartness" server for Elixir.
+      Implements the "Language Server Protocol" standard and provides debugger support via the "Debug Adapter Protocol"
+    '';
+    longDescription = ''
+      The Elixir Language Server provides a server that runs in the background, providing IDEs, editors, and other tools with information about Elixir Mix projects.
+      It adheres to the Language Server Protocol, a standard for frontend-independent IDE support.
+      Debugger integration is accomplished through the similar VS Code Debug Protocol.
+    '';
+    license = licenses.asl20;
+    platforms = platforms.unix;
+    maintainers = teams.beam.members;
+  };
+}
diff --git a/pkgs/development/compilers/cudatoolkit/default.nix b/pkgs/development/compilers/cudatoolkit/default.nix
index 5685f178876..da6857f6ab9 100644
--- a/pkgs/development/compilers/cudatoolkit/default.nix
+++ b/pkgs/development/compilers/cudatoolkit/default.nix
@@ -1,8 +1,6 @@
 { lib
 , callPackage
 , fetchurl
-, gcc48
-, gcc6
 , gcc7
 , gcc9
 }:
@@ -10,67 +8,6 @@
 let
   common = callPackage ./common.nix;
 in rec {
-  cudatoolkit_9_0 = common {
-    version = "9.0.176.1";
-    url = "https://developer.nvidia.com/compute/cuda/9.0/Prod/local_installers/cuda_9.0.176_384.81_linux-run";
-    sha256 = "0308rmmychxfa4inb1ird9bpgfppgr9yrfg1qp0val5azqik91ln";
-    runPatches = [
-      (fetchurl {
-        url = "https://developer.nvidia.com/compute/cuda/9.0/Prod/patches/1/cuda_9.0.176.1_linux-run";
-        sha256 = "1vbqg97pq9z9c8nqvckiwmq3ljm88m7gaizikzxbvz01izh67gx4";
-      })
-      (fetchurl {
-        url = "https://developer.nvidia.com/compute/cuda/9.0/Prod/patches/2/cuda_9.0.176.2_linux-run";
-        sha256 = "1sz5dijbx9yf7drfipdxav5a5g6sxy4w6vi9xav0lb6m2xnmyd7c";
-      })
-      (fetchurl {
-        url = "https://developer.nvidia.com/compute/cuda/9.0/Prod/patches/3/cuda_9.0.176.3_linux-run";
-        sha256 = "1jm83bxpscpjhzs5q3qijdgjm0r8qrdlgkj7y08fq8c0v8q2r7j2";
-      })
-      (fetchurl {
-        url = "https://developer.nvidia.com/compute/cuda/9.0/Prod/patches/4/cuda_9.0.176.4_linux-run";
-        sha256 = "0pymg3mymsa2n48y0njz3spzlkm15lvjzw8fms1q83zslz4x0lwk";
-      })
-    ];
-    gcc = gcc6;
-  };
-
-  cudatoolkit_9_1 = common {
-    version = "9.1.85.3";
-    url = "https://developer.nvidia.com/compute/cuda/9.1/Prod/local_installers/cuda_9.1.85_387.26_linux";
-    sha256 = "0lz9bwhck1ax4xf1fyb5nicb7l1kssslj518z64iirpy2qmwg5l4";
-    runPatches = [
-      (fetchurl {
-        url = "https://developer.nvidia.com/compute/cuda/9.1/Prod/patches/1/cuda_9.1.85.1_linux";
-        sha256 = "1f53ij5nb7g0vb5pcpaqvkaj1x4mfq3l0mhkfnqbk8sfrvby775g";
-      })
-      (fetchurl {
-        url = "https://developer.nvidia.com/compute/cuda/9.1/Prod/patches/2/cuda_9.1.85.2_linux";
-        sha256 = "16g0w09h3bqmas4hy1m0y6j5ffyharslw52fn25gql57bfihg7ym";
-      })
-      (fetchurl {
-        url = "https://developer.nvidia.com/compute/cuda/9.1/Prod/patches/3/cuda_9.1.85.3_linux";
-        sha256 = "12mcv6f8z33z8y41ja8bv5p5iqhv2vx91mv3b5z6fcj7iqv98422";
-      })
-    ];
-    gcc = gcc6;
-  };
-
-  cudatoolkit_9_2 = common {
-    version = "9.2.148.1";
-    url = "https://developer.nvidia.com/compute/cuda/9.2/Prod2/local_installers/cuda_9.2.148_396.37_linux";
-    sha256 = "04c6v9b50l4awsf9w9zj5vnxvmc0hk0ypcfjksbh4vnzrz14wigm";
-    runPatches = [
-      (fetchurl {
-        url = "https://developer.nvidia.com/compute/cuda/9.2/Prod2/patches/1/cuda_9.2.148.1_linux";
-        sha256 = "1kx6l4yzsamk6q1f4vllcpywhbfr2j5wfl4h5zx8v6dgfpsjm2lw";
-      })
-    ];
-    gcc = gcc7;
-  };
-
-  cudatoolkit_9 = cudatoolkit_9_2;
-
   cudatoolkit_10_0 = common {
     version = "10.0.130";
     url = "https://developer.nvidia.com/compute/cuda/10.0/Prod/local_installers/cuda_10.0.130_410.48_linux";
diff --git a/pkgs/development/libraries/mbedtls/default.nix b/pkgs/development/libraries/mbedtls/default.nix
index 2e25399d979..057e8694529 100644
--- a/pkgs/development/libraries/mbedtls/default.nix
+++ b/pkgs/development/libraries/mbedtls/default.nix
@@ -11,13 +11,17 @@
 
 stdenv.mkDerivation rec {
   pname = "mbedtls";
-  version = "2.16.9"; # nixpkgs-update: no auto update
+  # Auto updates are disabled due to repology listing dev releases as release
+  # versions. See
+  #  * https://github.com/NixOS/nixpkgs/pull/119838#issuecomment-822100428
+  #  * https://github.com/NixOS/nixpkgs/commit/0ee02a9d42b5fe1825b0f7cee7a9986bb4ba975d
+  version = "2.26.0"; # nixpkgs-update: no auto update
 
   src = fetchFromGitHub {
     owner = "ARMmbed";
     repo = "mbedtls";
     rev = "${pname}-${version}";
-    sha256 = "0mz7n373b8d287crwi6kq2hb8ryyi228j38h25744lqai23qj5cf";
+    sha256 = "0scwpmrgvg6q7rvqkc352d2fqlsx0aylcbyibcp1f1rsn8iiif2m";
   };
 
   nativeBuildInputs = [ cmake ninja perl python3 ];
@@ -30,6 +34,10 @@ stdenv.mkDerivation rec {
   '';
 
   cmakeFlags = [ "-DUSE_SHARED_MBEDTLS_LIBRARY=on" ];
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=format"
+    "-Wno-error=format-truncation"
+  ];
 
   meta = with lib; {
     homepage = "https://tls.mbed.org/";
diff --git a/pkgs/development/libraries/openssl/default.nix b/pkgs/development/libraries/openssl/default.nix
index fda0c71655a..f6d45f66b1a 100644
--- a/pkgs/development/libraries/openssl/default.nix
+++ b/pkgs/development/libraries/openssl/default.nix
@@ -72,14 +72,18 @@ let
       }.${stdenv.hostPlatform.system} or (
         if stdenv.hostPlatform == stdenv.buildPlatform
           then "./config"
+        else if stdenv.hostPlatform.isBSD && stdenv.hostPlatform.isx86_64
+          then "./Configure BSD-x86_64"
+        else if stdenv.hostPlatform.isBSD && stdenv.hostPlatform.isx86_32
+          then "./Configure BSD-x86" + lib.optionalString (stdenv.hostPlatform.parsed.kernel.execFormat.name == "elf") "-elf"
+        else if stdenv.hostPlatform.isBSD
+          then "./Configure BSD-generic${toString stdenv.hostPlatform.parsed.cpu.bits}"
         else if stdenv.hostPlatform.isMinGW
           then "./Configure mingw${optionalString
                                      (stdenv.hostPlatform.parsed.cpu.bits != 32)
                                      (toString stdenv.hostPlatform.parsed.cpu.bits)}"
         else if stdenv.hostPlatform.isLinux
-          then (if stdenv.hostPlatform.isx86_64
-            then "./Configure linux-x86_64"
-            else "./Configure linux-generic${toString stdenv.hostPlatform.parsed.cpu.bits}")
+          then "./Configure linux-generic${toString stdenv.hostPlatform.parsed.cpu.bits}"
         else if stdenv.hostPlatform.isiOS
           then "./Configure ios${toString stdenv.hostPlatform.parsed.cpu.bits}-cross"
         else
diff --git a/pkgs/development/libraries/science/math/cudnn/default.nix b/pkgs/development/libraries/science/math/cudnn/default.nix
index b8aac46d919..d4c7fcac978 100644
--- a/pkgs/development/libraries/science/math/cudnn/default.nix
+++ b/pkgs/development/libraries/science/math/cudnn/default.nix
@@ -1,4 +1,4 @@
-{ callPackage, cudatoolkit_9_0, cudatoolkit_9_1, cudatoolkit_9_2, cudatoolkit_10_0, cudatoolkit_10_1, cudatoolkit_10_2, cudatoolkit_11_0, cudatoolkit_11_1, cudatoolkit_11_2 }:
+{ callPackage, cudatoolkit_10_0, cudatoolkit_10_1, cudatoolkit_10_2, cudatoolkit_11_0, cudatoolkit_11_1, cudatoolkit_11_2 }:
 
 let
   generic = args: callPackage (import ./generic.nix (removeAttrs args ["cudatoolkit"])) {
@@ -6,29 +6,6 @@ let
   };
 
 in rec {
-  cudnn_cudatoolkit_9_0 = generic rec {
-    version = "7.3.0";
-    cudatoolkit = cudatoolkit_9_0;
-    srcName = "cudnn-${cudatoolkit.majorVersion}-linux-x64-v7.3.0.29.tgz";
-    sha256 = "16z4vgbcmbayk4hppz0xshgs3g07blkp4j25cxcjqyrczx1r0gs0";
-  };
-
-  cudnn_cudatoolkit_9_1 = generic rec {
-    version = "7.1.3";
-    cudatoolkit = cudatoolkit_9_1;
-    srcName = "cudnn-${cudatoolkit.majorVersion}-linux-x64-v7.1.tgz";
-    sha256 = "0a0237gpr0p63s92njai0xvxmkbailzgfsvh7n9fnz0njhvnsqfx";
-  };
-
-  cudnn_cudatoolkit_9_2 = generic rec {
-    version = "7.2.1";
-    cudatoolkit = cudatoolkit_9_2;
-    srcName = "cudnn-${cudatoolkit.majorVersion}-linux-x64-v7.2.1.38.tgz";
-    sha256 = "1sf215wm6zgr17gs6sxfhw61b7a0qmcxiwhgy1b4nqdyxpqgay1y";
-  };
-
-  cudnn_cudatoolkit_9 = cudnn_cudatoolkit_9_2;
-
   cudnn_cudatoolkit_10_0 = generic rec {
     version = "7.4.2";
     cudatoolkit = cudatoolkit_10_0;
diff --git a/pkgs/test/cuda/cuda-samples/default.nix b/pkgs/test/cuda/cuda-samples/default.nix
index 46d4d531690..1a361c57214 100644
--- a/pkgs/test/cuda/cuda-samples/default.nix
+++ b/pkgs/test/cuda/cuda-samples/default.nix
@@ -1,17 +1,9 @@
 { callPackage
-, cudatoolkit_9_2
 , cudatoolkit_10_0, cudatoolkit_10_1, cudatoolkit_10_2
 , cudatoolkit_11_0, cudatoolkit_11_1, cudatoolkit_11_2
 }:
 
 rec {
-  cuda-samples_cudatoolkit_9_2 = callPackage ./generic.nix {
-    cudatoolkit = cudatoolkit_9_2;
-    sha256 = "1ydankhyigcg99h0rqnmz1z4vc0sl6p9s1s0hbdxh5l1sx9141j6";
-  };
-
-  cuda-samples_cudatoolkit_9 = cuda-samples_cudatoolkit_9_2;
-
   ##
 
   cuda-samples_cudatoolkit_10_0 = callPackage ./generic.nix {
diff --git a/pkgs/test/cuda/default.nix b/pkgs/test/cuda/default.nix
index 9e7eaf8036a..aac52e6a4f5 100644
--- a/pkgs/test/cuda/default.nix
+++ b/pkgs/test/cuda/default.nix
@@ -3,8 +3,6 @@
 rec {
   cuda-samplesPackages = callPackage ./cuda-samples { };
   inherit (cuda-samplesPackages)
-    cuda-samples_cudatoolkit_9
-    cuda-samples_cudatoolkit_9_2
     cuda-samples_cudatoolkit_10
     cuda-samples_cudatoolkit_10_0
     cuda-samples_cudatoolkit_10_1
diff --git a/pkgs/tools/audio/beets/default.nix b/pkgs/tools/audio/beets/default.nix
index ef47578ac57..b9ed3eca919 100644
--- a/pkgs/tools/audio/beets/default.nix
+++ b/pkgs/tools/audio/beets/default.nix
@@ -105,13 +105,13 @@ in pythonPackages.buildPythonApplication rec {
   # unstable does not require bs1770gain[2].
   # [1]: https://discourse.beets.io/t/forming-a-beets-core-team/639
   # [2]: https://github.com/NixOS/nixpkgs/pull/90504
-  version = "unstable-2021-03-24";
+  version = "unstable-2021-04-17";
 
   src = fetchFromGitHub {
     owner = "beetbox";
     repo = "beets";
-    rev = "854b4ab48324afe8884fcd11fa47bd6258d2f4f7";
-    sha256 = "sha256-y5EWVNF4bd9fNvU6VkucMpenyFZuqdPkrqQDgG9ZPJY=";
+    rev = "50163b373f527d1b1f8b2442240ca547e846744e";
+    sha256 = "sha256-l7drav4Qx2JCF+F5OA0s641idcKM3S4Yx2lM2evJQWE=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/tools/audio/beets/plugins/alternatives.nix b/pkgs/tools/audio/beets/plugins/alternatives.nix
index c0b9123d96a..146e9f50664 100644
--- a/pkgs/tools/audio/beets/plugins/alternatives.nix
+++ b/pkgs/tools/audio/beets/plugins/alternatives.nix
@@ -2,13 +2,13 @@
 
 pythonPackages.buildPythonApplication rec {
   pname = "beets-alternatives";
-  version = "0.10.2";
+  version = "unstable-2021-02-01";
 
   src = fetchFromGitHub {
     repo = "beets-alternatives";
     owner = "geigerzaehler";
-    rev = "v${version}";
-    sha256 = "1dsz94fb29wra1f9580w20bz2f1bgkj4xnsjgwgbv14flbfw4bp0";
+    rev = "288299e3aa9a1602717b04c28696fce5ce4259bf";
+    sha256 = "sha256-Xl7AHr33hXQqQDuFbWuj8HrIugeipJFPmvNXpCkU/mI=";
   };
 
   postPatch = ''
@@ -23,10 +23,10 @@ pythonPackages.buildPythonApplication rec {
     mock
   ];
 
-  meta = {
+  meta = with lib; {
     description = "Beets plugin to manage external files";
     homepage = "https://github.com/geigerzaehler/beets-alternatives";
-    maintainers = [ lib.maintainers.aszlig ];
-    license = lib.licenses.mit;
+    maintainers = with maintainers; [ aszlig lovesegfault ];
+    license = licenses.mit;
   };
 }
diff --git a/pkgs/tools/audio/beets/plugins/copyartifacts.nix b/pkgs/tools/audio/beets/plugins/copyartifacts.nix
index b8a17a7d13e..2f1ecdfc369 100644
--- a/pkgs/tools/audio/beets/plugins/copyartifacts.nix
+++ b/pkgs/tools/audio/beets/plugins/copyartifacts.nix
@@ -1,13 +1,14 @@
 { lib, fetchFromGitHub, beets, pythonPackages, glibcLocales }:
 
 pythonPackages.buildPythonApplication {
-  name = "beets-copyartifacts";
+  pname = "beets-copyartifacts";
+  version = "unstable-2020-02-15";
 
   src = fetchFromGitHub {
     repo = "beets-copyartifacts";
-    owner = "sbarakat";
-    rev = "d0bb75c8fc8fe125e8191d73de7ade6212aec0fd";
-    sha256 = "19b4lqq1p45n348ssmql60jylw2fw7vfj9j22nly5qj5qx51j3g5";
+    owner = "adammillerio";
+    rev = "85eefaebf893cb673fa98bfde48406ec99fd1e4b";
+    sha256 = "sha256-bkT2BZZ2gdcacgvyrVe2vMrOMV8iMAm8Q5xyrZzyqU0=";
   };
 
   postPatch = ''
diff --git a/pkgs/tools/audio/beets/plugins/extrafiles.nix b/pkgs/tools/audio/beets/plugins/extrafiles.nix
index 0ab6b3e5414..9118765cc1b 100644
--- a/pkgs/tools/audio/beets/plugins/extrafiles.nix
+++ b/pkgs/tools/audio/beets/plugins/extrafiles.nix
@@ -2,13 +2,13 @@
 
 pythonPackages.buildPythonApplication rec {
   pname = "beets-extrafiles";
-  version = "0.0.7";
+  version = "unstable-2020-12-13";
 
   src = fetchFromGitHub {
     repo = "beets-extrafiles";
     owner = "Holzhaus";
-    rev = "v${version}";
-    sha256 = "0ah7mgax9zrhvvd5scf2z0v0bhd6xmmv5sdb6av840ixpl6vlvm6";
+    rev = "a1d6ef9a9682b6bf7af9483541e56a3ff12247b8";
+    sha256 = "sha256-ajuEbieWjTCNjdRZuGUwvStZwjx260jmY0m+ZqNd7ec=";
   };
 
   postPatch = ''
@@ -18,6 +18,8 @@ pythonPackages.buildPythonApplication rec {
 
   nativeBuildInputs = [ beets ];
 
+  propagatedBuildInputs = with pythonPackages; [ mediafile ];
+
   preCheck = ''
     HOME=$TEMPDIR
   '';
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index d28fcdb1dca..c1ec5eeb241 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -130,10 +130,18 @@ mapAliases ({
   cudatoolkit_7 = throw "cudatoolkit_7 has been removed in favor of newer versions"; # added 2021-02-14
   cudatoolkit_7_5 = throw "cudatoolkit_7_5 has been removed in favor of newer versions"; # added 2021-02-14
   cudatoolkit_8 = throw "cudatoolkit_8 has been removed in favor of newer versions"; # added 2021-02-14
+  cudatoolkit_9 = throw "cudatoolkit_9 has been removed in favor of newer versions"; # added 2021-04-18
+  cudatoolkit_9_0 = throw "cudatoolkit_9_0 has been removed in favor of newer versions"; # added 2021-04-18
+  cudatoolkit_9_1 = throw "cudatoolkit_9_1 has been removed in favor of newer versions"; # added 2021-04-18
+  cudatoolkit_9_2 = throw "cudatoolkit_9_2 has been removed in favor of newer versions"; # added 2021-04-18
   cudnn_cudatoolkit_7 = throw "cudnn_cudatoolkit_7 has been removed in favor of newer versions"; # added 2021-02-14
   cudnn_cudatoolkit_7_5 = throw "cudnn_cudatoolkit_7_5 has been removed in favor of newer versions"; # added 2021-02-14
   cudnn6_cudatoolkit_8 = throw "cudnn6_cudatoolkit_8 has been removed in favor of newer versions"; # added 2021-02-14
   cudnn_cudatoolkit_8 = throw "cudnn_cudatoolkit_8 has been removed in favor of newer versions"; # added 2021-02-14
+  cudnn_cudatoolkit_9 = throw "cudnn_cudatoolkit_9 has been removed in favor of newer versions"; # added 2021-04-18
+  cudnn_cudatoolkit_9_0 = throw "cudnn_cudatoolkit_9_0 has been removed in favor of newer versions"; # added 2021-04-18
+  cudnn_cudatoolkit_9_1 = throw "cudnn_cudatoolkit_9_1 has been removed in favor of newer versions"; # added 2021-04-18
+  cudnn_cudatoolkit_9_2 = throw "cudnn_cudatoolkit_9_2 has been removed in favor of newer versions"; # added 2021-04-18
   cupsBjnp = cups-bjnp; # added 2016-01-02
   cups_filters = cups-filters; # added 2016-08
   cups-googlecloudprint = throw "Google Cloudprint is officially discontinued since Jan 2021, more info https://support.google.com/chrome/a/answer/9633006";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d613d13b2bd..2954f29cc26 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3644,10 +3644,6 @@ in
 
   cudaPackages = recurseIntoAttrs (callPackage ../development/compilers/cudatoolkit {});
   inherit (cudaPackages)
-    cudatoolkit_9
-    cudatoolkit_9_0
-    cudatoolkit_9_1
-    cudatoolkit_9_2
     cudatoolkit_10
     cudatoolkit_10_0
     cudatoolkit_10_1
@@ -3661,10 +3657,6 @@ in
 
   cudnnPackages = callPackages ../development/libraries/science/math/cudnn { };
   inherit (cudnnPackages)
-    cudnn_cudatoolkit_9
-    cudnn_cudatoolkit_9_0
-    cudnn_cudatoolkit_9_1
-    cudnn_cudatoolkit_9_2
     cudnn_cudatoolkit_10
     cudnn_cudatoolkit_10_0
     cudnn_cudatoolkit_10_1
@@ -10925,7 +10917,7 @@ in
 
   knightos-z80e = callPackage ../development/tools/knightos/z80e { };
 
-  koka = haskellPackages.callPackage ../development/compilers/koka { };
+  koka = haskell.lib.justStaticExecutables (haskellPackages.callPackage ../development/compilers/koka { });
 
   kotlin = callPackage ../development/compilers/kotlin { };
 
@@ -11664,7 +11656,8 @@ in
   inherit (beam.interpreters)
     erlang erlangR23 erlangR22 erlangR21 erlangR20 erlangR19 erlangR18
     erlang_odbc erlang_javac erlang_odbc_javac erlang_basho_R16B02
-    elixir elixir_1_11 elixir_1_10 elixir_1_9 elixir_1_8 elixir_1_7;
+    elixir elixir_1_11 elixir_1_10 elixir_1_9 elixir_1_8 elixir_1_7
+    elixir_ls;
 
   erlang_nox = beam_nox.interpreters.erlang;
 
diff --git a/pkgs/top-level/beam-packages.nix b/pkgs/top-level/beam-packages.nix
index aae127fd04e..ac9d4ab524e 100644
--- a/pkgs/top-level/beam-packages.nix
+++ b/pkgs/top-level/beam-packages.nix
@@ -111,7 +111,7 @@ rec {
     # access for example elixir built with different version of Erlang, use
     # `beam.packages.erlangR23.elixir`.
     inherit (packages.erlang)
-      elixir elixir_1_11 elixir_1_10 elixir_1_9 elixir_1_8 elixir_1_7;
+      elixir elixir_1_11 elixir_1_10 elixir_1_9 elixir_1_8 elixir_1_7 elixir_ls;
 
     inherit (packages.erlang) lfe lfe_1_2 lfe_1_3;
   };