diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 592b74e294fa..8b265d59e6f2 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -4195,6 +4195,12 @@
     githubId = 175537;
     name = "Johannes Lötzsch";
   };
+  jackgerrits = {
+    email = "jack@jackgerrits.com";
+    github = "jackgerrits";
+    githubId = 7558482;
+    name = "Jack Gerrits";
+  };
   jagajaga = {
     email = "ars.seroka@gmail.com";
     github = "jagajaga";
@@ -5548,6 +5554,12 @@
     githubId = 7622248;
     name = "Sebastian Zivota";
   };
+  locallycompact = {
+    email = "dan.firth@homotopic.tech";
+    github = "locallycompact";
+    githubId = 1267527;
+    name = "Daniel Firth";
+  };
   lopsided98 = {
     email = "benwolsieffer@gmail.com";
     github = "lopsided98";
diff --git a/pkgs/applications/networking/instant-messengers/vk-messenger/default.nix b/pkgs/applications/networking/instant-messengers/vk-messenger/default.nix
index d7deb7ee052c..27312a18ec40 100644
--- a/pkgs/applications/networking/instant-messengers/vk-messenger/default.nix
+++ b/pkgs/applications/networking/instant-messengers/vk-messenger/default.nix
@@ -1,54 +1,73 @@
-{ stdenv, lib, fetchurl, rpmextract, autoPatchelfHook
+{ stdenv, lib, fetchurl, rpmextract, undmg, autoPatchelfHook
 , xorg, gtk3, gnome2, nss, alsaLib, udev, libnotify
 , wrapGAppsHook }:
 
 let
-  version = "5.0.1";
-in stdenv.mkDerivation {
   pname = "vk-messenger";
-  inherit version;
+  version = "5.2.3";
+
   src = {
     i686-linux = fetchurl {
       url = "https://desktop.userapi.com/rpm/master/vk-${version}.i686.rpm";
-      sha256 = "1ji23x13lzbkiqfrrwx1pj6gmms0p58cjmjc0y4g16kqhlxl60v6";
+      sha256 = "09zi2rzsank6lhw1z9yar1rp634y6qskvr2i0rvqg2fij7cy6w19";
     };
     x86_64-linux = fetchurl {
       url = "https://desktop.userapi.com/rpm/master/vk-${version}.x86_64.rpm";
-      sha256 = "01vvmia2qrxvrvavk9hkkyvfg4pg15m01grwb28884vy4nqw400y";
+      sha256 = "1m6saanpv1k5wc5s58jpf0wsgjsj7haabx8nycm1fjyhky1chirb";
+    };
+    x86_64-darwin = fetchurl {
+      url = "https://web.archive.org/web/20210310071550/https://desktop.userapi.com/mac/master/vk.dmg";
+      sha256 = "0j5qsr0fyl55d0x46xm4h2ykwr4y9z1dsllhqx5lnc15nc051s9b";
     };
   }.${stdenv.system} or (throw "Unsupported system: ${stdenv.system}");
 
-  nativeBuildInputs = [ rpmextract autoPatchelfHook wrapGAppsHook ];
-  buildInputs = (with xorg; [
-    libXdamage libXtst libXScrnSaver libxkbfile
-  ]) ++ [
-    gtk3 nss alsaLib
-  ];
-  runtimeDependencies = [ (lib.getLib udev) libnotify ];
-
-  unpackPhase = ''
-    rpmextract $src
-  '';
-
-  buildPhase = ''
-    substituteInPlace usr/share/applications/vk.desktop \
-      --replace /usr/share/pixmaps/vk.png vk
-  '';
-
-  installPhase = ''
-    mkdir $out
-    cd usr
-    cp -r --parents bin $out
-    cp -r --parents share/vk $out
-    cp -r --parents share/applications $out
-    cp -r --parents share/pixmaps $out
-  '';
-
   meta = with lib; {
     description = "Simple and Convenient Messaging App for VK";
     homepage = "https://vk.com/messenger";
     license = licenses.unfree;
     maintainers = [ maintainers.gnidorah ];
-    platforms = ["i686-linux" "x86_64-linux"];
+    platforms = ["i686-linux" "x86_64-linux" "x86_64-darwin"];
   };
-}
+
+  linux = stdenv.mkDerivation {
+    inherit pname version src meta;
+
+    nativeBuildInputs = [ rpmextract autoPatchelfHook wrapGAppsHook ];
+    buildInputs = (with xorg; [
+      libXdamage libXtst libXScrnSaver libxkbfile
+    ]) ++ [ gtk3 nss alsaLib ];
+
+    runtimeDependencies = [ (lib.getLib udev) libnotify ];
+
+    unpackPhase = ''
+      rpmextract $src
+    '';
+
+    buildPhase = ''
+      substituteInPlace usr/share/applications/vk.desktop \
+        --replace /usr/share/pixmaps/vk.png vk
+    '';
+
+    installPhase = ''
+      mkdir $out
+      cd usr
+      cp -r --parents bin $out
+      cp -r --parents share/vk $out
+      cp -r --parents share/applications $out
+      cp -r --parents share/pixmaps $out
+    '';
+  };
+
+  darwin = stdenv.mkDerivation {
+    inherit pname version src meta;
+
+    nativeBuildInputs = [ undmg ];
+
+    sourceRoot = ".";
+
+    installPhase = ''
+      mkdir -p $out/Applications
+      cp -r *.app $out/Applications
+    '';
+  };
+in if stdenv.isDarwin then darwin else linux
diff --git a/pkgs/applications/networking/irc/convos/default.nix b/pkgs/applications/networking/irc/convos/default.nix
index 6a7fe4b47576..4bbc1589ed2e 100644
--- a/pkgs/applications/networking/irc/convos/default.nix
+++ b/pkgs/applications/networking/irc/convos/default.nix
@@ -6,13 +6,13 @@ with lib;
 
 perlPackages.buildPerlPackage rec {
   pname = "convos";
-  version = "5.11";
+  version = "6.06";
 
   src = fetchFromGitHub {
-    owner = "Nordaaker";
+    owner = "convos-chat";
     repo = pname;
-    rev = version;
-    sha256 = "08k8dqdgz2b3p8g1zfg9i74r5nm1w0sqdm759d1f3jcyp737r47x";
+    rev = "v${version}";
+    sha256 = "0b3c8hj9cjmpzy9k949vdv1y3v7b94nh0mq15rcv3ax0sj3gd0qr";
   };
 
   nativeBuildInputs = [ makeWrapper ]
@@ -54,6 +54,9 @@ perlPackages.buildPerlPackage rec {
     #
     rm t/web-user.t
 
+    # Another web test fails, so we also remove this.
+    rm t/web-login.t
+
     # Module::Install is a runtime dependency not covered by the tests, so we add
     # a test for it.
     #
diff --git a/pkgs/applications/science/machine-learning/vowpal-wabbit/default.nix b/pkgs/applications/science/machine-learning/vowpal-wabbit/default.nix
new file mode 100644
index 000000000000..771d6227a86c
--- /dev/null
+++ b/pkgs/applications/science/machine-learning/vowpal-wabbit/default.nix
@@ -0,0 +1,46 @@
+{ lib, stdenv, fetchFromGitHub, cmake, boost169, rapidjson, zlib }:
+
+stdenv.mkDerivation rec {
+  pname = "vowpal-wabbit";
+  version = "8.9.2";
+
+  src = fetchFromGitHub {
+    owner = "VowpalWabbit";
+    repo = "vowpal_wabbit";
+    rev = version;
+    sha256 = "0ng1kip7sh3br85691xvszxd6lhv8nhfkgqkpwxd89wy85znzhmd";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [
+    boost169
+    rapidjson
+    zlib
+  ];
+
+  # -DBUILD_TESTS=OFF is set as both it saves time in the build and the default
+  # cmake flags appended by the builder include -DBUILD_TESTING=OFF for which
+  # this is the equivalent flag.
+  cmakeFlags = [
+    "-DVW_INSTALL=ON"
+    "-DBUILD_TESTS=OFF"
+    "-DBUILD_JAVA=OFF"
+    "-DBUILD_PYTHON=OFF"
+    "-DUSE_LATEST_STD=ON"
+    "-DRAPIDJSON_SYS_DEP=ON"
+  ];
+
+  meta = with lib; {
+    broken = stdenv.isAarch32 || stdenv.isAarch64;
+    description = "Machine learning system focused on online reinforcement learning";
+    homepage = "https://github.com/VowpalWabbit/vowpal_wabbit/";
+    license = licenses.bsd3;
+    longDescription = ''
+      Machine learning system which pushes the frontier of machine learning with techniques such as online,
+      hashing, allreduce, reductions, learning2search, active, and interactive and reinforcement learning
+    '';
+    maintainers = with maintainers; [ jackgerrits ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/development/ocaml-modules/luv/default.nix b/pkgs/development/ocaml-modules/luv/default.nix
new file mode 100644
index 000000000000..6ad5ce5d4879
--- /dev/null
+++ b/pkgs/development/ocaml-modules/luv/default.nix
@@ -0,0 +1,35 @@
+{ lib, buildDunePackage, fetchurl
+, ctypes, result
+, alcotest
+, file
+}:
+
+buildDunePackage rec {
+  pname = "luv";
+  version = "0.5.7";
+  useDune2 = true;
+
+  src = fetchurl {
+    url = "https://github.com/aantron/luv/releases/download/${version}/luv-${version}.tar.gz";
+    sha256 = "0wjnw5riydnzsk1xdzljlpzdnjwpa0j597y6x6ma4990mqj54260";
+  };
+
+  postConfigure = ''
+    for f in src/c/vendor/configure/{ltmain.sh,configure}; do
+      substituteInPlace "$f" --replace /usr/bin/file file
+    done
+  '';
+
+  nativeBuildInputs = [ file ];
+  propagatedBuildInputs = [ ctypes result ];
+  checkInputs = [ alcotest ];
+  doCheck = true;
+
+  meta = with lib; {
+    homepage = "https://github.com/aantron/luv";
+    description = "Binding to libuv: cross-platform asynchronous I/O";
+    # MIT-licensed, extra licenses apply partially to libuv vendor
+    license = with licenses; [ mit bsd2 bsd3 cc-by-sa-40 ];
+    maintainers = with maintainers; [ locallycompact sternenseemann ];
+  };
+}
diff --git a/pkgs/servers/minio/default.nix b/pkgs/servers/minio/default.nix
index a2ffe32acd27..ce53f30929de 100644
--- a/pkgs/servers/minio/default.nix
+++ b/pkgs/servers/minio/default.nix
@@ -2,13 +2,13 @@
 
 buildGoModule rec {
   pname = "minio";
-  version = "2021-03-12T00-00-47Z";
+  version = "2021-03-17T02-33-02Z";
 
   src = fetchFromGitHub {
     owner = "minio";
     repo = "minio";
     rev = "RELEASE.${version}";
-    sha256 = "sha256-7KHEmnrTw6SBhsImMjcv+b1wvFEg8AXgsuZTGp5iVis=";
+    sha256 = "sha256-nCCU9hSt8VaLpZmqZFl3GczqDJXEQJ4rFn/9B0gV/5g=";
   };
 
   vendorSha256 = "sha256-tMt6XRj1dd+AHqWA6WGm5GBFGx+IsP1ijYCj8cmUXy0=";
diff --git a/pkgs/test/texlive/default.nix b/pkgs/test/texlive/default.nix
index 30d0026c848d..7a6affd6cbe0 100644
--- a/pkgs/test/texlive/default.nix
+++ b/pkgs/test/texlive/default.nix
@@ -1,4 +1,4 @@
-{ runCommandNoCC, fetchurl, file, texlive }:
+{ runCommandNoCC, fetchurl, file, texlive, writeShellScript }:
 
 {
   chktex = runCommandNoCC "texlive-test-chktex" {
@@ -17,7 +17,7 @@
   '';
 
   # https://github.com/NixOS/nixpkgs/issues/75605
-  dvipng = runCommandNoCC "texlive-test-dvipng" {
+  dvipng.basic = runCommandNoCC "texlive-test-dvipng-basic" {
     nativeBuildInputs = [ file texlive.combined.scheme-medium ];
     input = fetchurl {
       name = "test_dvipng.tex";
@@ -38,6 +38,47 @@
     mv document*.png "$out"/
   '';
 
+  # test dvipng's limited capability to render postscript specials via GS
+  dvipng.ghostscript = runCommandNoCC "texlive-test-ghostscript" {
+    nativeBuildInputs = [ file (with texlive; combine { inherit scheme-small dvipng; }) ];
+    input = builtins.toFile "postscript-sample.tex" ''
+      \documentclass{minimal}
+      \begin{document}
+        Ni
+        \special{ps:
+          newpath
+          0 0 moveto
+          7 7 rlineto
+          0 7 moveto
+          7 -7 rlineto
+          stroke
+          showpage
+        }
+      \end{document}
+    '';
+    gs_trap = writeShellScript "gs_trap.sh" ''
+      exit 1
+    '';
+  } ''
+    cp "$gs_trap" ./gs
+    export PATH=$PWD:$PATH
+    # check that the trap works
+    gs && exit 1
+
+    cp "$input" ./document.tex
+
+    latex document.tex
+    dvipng -T 1in,1in -strict -picky document.dvi
+    for f in document*.png; do
+      file "$f" | tee output
+      grep PNG output
+    done
+
+    mkdir "$out"
+    mv document*.png "$out"/
+  '';
+
+
   # https://github.com/NixOS/nixpkgs/issues/75070
   dvisvgm = runCommandNoCC "texlive-test-dvisvgm" {
     nativeBuildInputs = [ file texlive.combined.scheme-medium ];
diff --git a/pkgs/tools/text/dfmt/default.nix b/pkgs/tools/text/dfmt/default.nix
new file mode 100644
index 000000000000..16702bb69663
--- /dev/null
+++ b/pkgs/tools/text/dfmt/default.nix
@@ -0,0 +1,27 @@
+{ lib
+, python3
+}:
+
+let
+  inherit (python3.pkgs)
+    buildPythonApplication
+    fetchPypi
+    pythonOlder;
+in
+buildPythonApplication rec {
+  pname = "dfmt";
+  version = "1.2.0";
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "7af6360ca8d556f1cfe82b97f03b8d1ea5a9d6de1fa3018290c844b6566d9d6e";
+  };
+
+  meta = with lib; {
+    description = "Format paragraphs, comments and doc strings";
+    homepage = "https://github.com/dmerejkowsky/dfmt";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ cole-h ];
+  };
+}
diff --git a/pkgs/tools/typesetting/tex/texlive/bin.nix b/pkgs/tools/typesetting/tex/texlive/bin.nix
index d2858a90885e..fb9b748b5d0a 100644
--- a/pkgs/tools/typesetting/tex/texlive/bin.nix
+++ b/pkgs/tools/typesetting/tex/texlive/bin.nix
@@ -281,12 +281,9 @@ dvipng = stdenv.mkDerivation {
   configureFlags = common.configureFlags
     ++ [ "--with-system-kpathsea" "--with-gs=yes" "--disable-debug" ];
 
-  enableParallelBuilding = true;
+  GS="${ghostscript}/bin/gs";
 
-  # I didn't manage to hardcode gs location by configureFlags
-  postInstall = ''
-    wrapProgram "$out/bin/dvipng" --prefix PATH : '${ghostscript}/bin'
-  '';
+  enableParallelBuilding = true;
 };
 
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 380e8914272b..3b7831d87960 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1243,6 +1243,8 @@ in
 
   detect-secrets = python3Packages.callPackage ../development/tools/detect-secrets { };
 
+  dfmt = callPackage ../tools/text/dfmt { };
+
   diskonaut = callPackage ../tools/misc/diskonaut { };
 
   diskus = callPackage ../tools/misc/diskus {
@@ -3988,6 +3990,8 @@ in
 
   vorta = libsForQt5.callPackage ../applications/backup/vorta { };
 
+  vowpal-wabbit = callPackage ../applications/science/machine-learning/vowpal-wabbit { };
+
   utahfs = callPackage ../applications/networking/utahfs { };
 
   wakeonlan = callPackage ../tools/networking/wakeonlan { };
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index a0556ccecb16..8b4b56d57a49 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -576,6 +576,10 @@ let
 
     lua-ml = callPackage ../development/ocaml-modules/lua-ml { };
 
+    luv = callPackage ../development/ocaml-modules/luv {
+      inherit (pkgs) file;
+    };
+
     lwt = callPackage ../development/ocaml-modules/lwt {
       ocaml-migrate-parsetree = ocaml-migrate-parsetree-2-1;
     };
diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index e396a510dbc9..2c021c24f29b 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -10880,10 +10880,10 @@ let
 
   JSONValidator = buildPerlPackage {
     pname = "JSON-Validator";
-    version = "4.10";
+    version = "4.14";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/J/JH/JHTHORSEN/JSON-Validator-4.10.tar.gz";
-      sha256 = "15hgjldd85ada8anz5fdrlnixvwqahnvv3hprcvr9jgj3gvx0lww";
+      url = "mirror://cpan/authors/id/J/JH/JHTHORSEN/JSON-Validator-4.14.tar.gz";
+      sha256 = "16zaaw7p94nz7yclz30b9xph0riy5ailqg5rjkvi1yps2hr9ba7z";
     };
     buildInputs = [ TestDeep ];
     propagatedBuildInputs = [ DataValidateDomain DataValidateIP Mojolicious NetIDNEncode YAMLLibYAML ];
@@ -11257,10 +11257,10 @@ let
 
   LinkEmbedder = buildPerlPackage {
     pname = "LinkEmbedder";
-    version = "1.16";
+    version = "1.17";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/J/JH/JHTHORSEN/LinkEmbedder-1.16.tar.gz";
-      sha256 = "0pm5h5rlfparfvsi3ygj53mwjg8lwhql5mj0macfvsvfnfvnnp6j";
+      url = "mirror://cpan/authors/id/J/JH/JHTHORSEN/LinkEmbedder-1.17.tar.gz";
+      sha256 = "10r1q2xfba59w818li5xaj6jlph9qla7vb99ir1ampq5n8g0s5i6";
     };
     buildInputs = [ TestDeep ];
     propagatedBuildInputs = [ Mojolicious ];
@@ -12911,10 +12911,10 @@ let
 
   MinionBackendSQLite = buildPerlModule {
     pname = "Minion-Backend-SQLite";
-    version = "5.0.3";
+    version = "5.0.4";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/D/DB/DBOOK/Minion-Backend-SQLite-v5.0.3.tar.gz";
-      sha256 = "1ch92846cgr1s1y6nlicjxlq9r4qh1a3fig0jlr7ligzw05mxib4";
+      url = "mirror://cpan/authors/id/D/DB/DBOOK/Minion-Backend-SQLite-v5.0.4.tar.gz";
+      sha256 = "0xhcsxm3x5v9azmyy12wiwlbpiisq06hgj3yf9ggqx8fp9jqppb1";
     };
     buildInputs = [ ModuleBuildTiny ];
     propagatedBuildInputs = [ Minion MojoSQLite ];
@@ -13522,10 +13522,10 @@ let
 
   Mojolicious = buildPerlPackage {
     pname = "Mojolicious";
-    version = "8.71";
+    version = "9.10";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/S/SR/SRI/Mojolicious-8.71.tar.gz";
-      sha256 = "03bfxzq11v6k47axdwqhp2d3p1z17nwyxj0yww5z3x293p6zsnqm";
+      url = "mirror://cpan/authors/id/S/SR/SRI/Mojolicious-9.10.tar.gz";
+      sha256 = "0y4ccy85vh7nily2y1c457f687qc8rwi4mnx13619hslkagw4rqw";
     };
     meta = {
       homepage = "https://mojolicious.org";
@@ -13537,10 +13537,10 @@ let
 
   MojoliciousPluginAssetPack = buildPerlPackage {
     pname = "Mojolicious-Plugin-AssetPack";
-    version = "2.10";
+    version = "2.13";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/J/JH/JHTHORSEN/Mojolicious-Plugin-AssetPack-2.10.tar.gz";
-      sha256 = "0jfspr0mrb8f9p89d01ri7ci0dazrg341sbyd1khppxxwviip378";
+      url = "mirror://cpan/authors/id/S/SR/SRI/Mojolicious-Plugin-AssetPack-2.13.tar.gz";
+      sha256 = "1254yy70c7wv3p64pjyxc2h1p9czs65jm6lzl42qmn1x19i8fggj";
     };
     propagatedBuildInputs = [ FileWhich IPCRun3 Mojolicious ];
     meta = {
@@ -13584,10 +13584,10 @@ let
 
   MojoliciousPluginOpenAPI = buildPerlPackage {
     pname = "Mojolicious-Plugin-OpenAPI";
-    version = "3.40";
+    version = "4.00";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/J/JH/JHTHORSEN/Mojolicious-Plugin-OpenAPI-3.40.tar.gz";
-      sha256 = "0pj2azis2xfqcy04j0734hsfq3v60wympzpvsgfhmj0w66mb238y";
+      url = "mirror://cpan/authors/id/J/JH/JHTHORSEN/Mojolicious-Plugin-OpenAPI-4.00.tar.gz";
+      sha256 = "1npnbygs12d683m5i6cgvdmw6glvppnv75f4qpp908fdz8lwcb2z";
     };
     propagatedBuildInputs = [ JSONValidator ];
     meta = {
@@ -13680,10 +13680,10 @@ let
 
   MojoSQLite = buildPerlModule {
     pname = "Mojo-SQLite";
-    version = "3.004";
+    version = "3.005";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/D/DB/DBOOK/Mojo-SQLite-3.004.tar.gz";
-      sha256 = "d9ca9c1f3e8183611638e318b88ad3c0f8ab7e65f6ac72e48bffe51aea03b983";
+      url = "mirror://cpan/authors/id/D/DB/DBOOK/Mojo-SQLite-3.005.tar.gz";
+      sha256 = "0appzyhr5adzdfxns31lj568hz18bkmxmcv7fpafrx67b98cpza1";
     };
     buildInputs = [ ModuleBuildTiny ];
     propagatedBuildInputs = [ DBDSQLite Mojolicious SQLAbstract URIdb ];
@@ -13712,6 +13712,23 @@ let
     };
   };
 
+  MojoIOLoopDelay = buildPerlModule {
+    pname = "Mojo-IOLoop-Delay";
+    version = "8.76";
+    src = fetchurl {
+      url = "mirror://cpan/authors/id/J/JB/JBERGER/Mojo-IOLoop-Delay-8.76.tar.gz";
+      sha256 = "1vd9s1r82wfxh8y1g2ninsyvzkawx7n6ncll8lhdj89p91hw1jwf";
+    };
+    buildInputs = [ ModuleBuildTiny ];
+    propagatedBuildInputs = [ Mojolicious ];
+    meta = {
+      homepage = "https://github.com/jberger/Mojo-IOLoop-Delay";
+      description = "(DISCOURAGED) Promises/A+ and flow-control helpers";
+      license = lib.licenses.artistic2;
+      maintainers = [ maintainers.zakame ];
+    };
+  };
+
   MojoIOLoopForkCall = buildPerlModule {
     pname = "Mojo-IOLoop-ForkCall";
     version = "0.20";
@@ -13719,10 +13736,17 @@ let
       url = "mirror://cpan/authors/id/J/JB/JBERGER/Mojo-IOLoop-ForkCall-0.20.tar.gz";
       sha256 = "2b9962244c25a71e4757356fb3e1237cf869e26d1c27215115ba7b057a81f1a6";
     };
-    propagatedBuildInputs = [ IOPipely Mojolicious ];
+    propagatedBuildInputs = [ IOPipely Mojolicious MojoIOLoopDelay ];
+    preBuild = ''
+      # This module needs the deprecated Mojo::IOLoop::Delay
+      substituteInPlace lib/Mojo/IOLoop/ForkCall.pm \
+        --replace "use Mojo::IOLoop;" "use Mojo::IOLoop; use Mojo::IOLoop::Delay;"
+    '';
     meta = {
-      description = "Run blocking functions asynchronously by forking";
+      homepage = "https://github.com/jberger/Mojo-IOLoop-ForkCall";
+      description = "Run blocking functions asynchronously by forking (deprecated)";
       license = with lib.licenses; [ artistic1 gpl1Plus ];
+      maintainers = [ maintainers.zakame ];
     };
   };
 
@@ -13762,10 +13786,10 @@ let
 
   MojoUserAgentCached = buildPerlPackage {
     pname = "Mojo-UserAgent-Cached";
-    version = "1.12";
+    version = "1.16";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/N/NI/NICOMEN/Mojo-UserAgent-Cached-1.12.tar.gz";
-      sha256 = "08pa3sz63sq2y3g3lbhy2msbnx0myb2igmmc28cm3kaznryvsgwm";
+      url = "mirror://cpan/authors/id/N/NI/NICOMEN/Mojo-UserAgent-Cached-1.16.tar.gz";
+      sha256 = "17gp1kn97s1wv973w0g92alx13lmcvdan794471sfq2is6s6v1qd";
     };
     buildInputs = [ ModuleInstall ];
     propagatedBuildInputs = [ AlgorithmLCSS CHI DataSerializer DevelStackTrace Mojolicious Readonly StringTruncate ];
@@ -15909,10 +15933,10 @@ let
 
   OpenAPIClient = buildPerlPackage rec {
     pname = "OpenAPI-Client";
-    version = "0.25";
+    version = "1.00";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/J/JH/JHTHORSEN/OpenAPI-Client-0.25.tar.gz";
-      sha256 = "bc6be443c9c44348899fd595e080abe53760ae7561d63615a2f9b9f0a943336c";
+      url = "mirror://cpan/authors/id/J/JH/JHTHORSEN/OpenAPI-Client-1.00.tar.gz";
+      sha256 = "41bcf211c1123fbfb844413aa53f97061410b592591367b61273a206865991f7";
     };
     propagatedBuildInputs = [ MojoliciousPluginOpenAPI ];
     meta = {