diff --git a/pkgs/applications/editors/kdevelop5/kdev-php.nix b/pkgs/applications/editors/kdevelop5/kdev-php.nix
index 524835402f4..23c8f0698cf 100644
--- a/pkgs/applications/editors/kdevelop5/kdev-php.nix
+++ b/pkgs/applications/editors/kdevelop5/kdev-php.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "kdev-php";
-  version = "5.6.0";
+  version = "5.6.1";
 
   src = fetchurl {
     url = "https://github.com/KDE/${pname}/archive/v${version}.tar.gz";
-    sha256 = "1j5m9mhjzp2r4wdwnnnckms8ic536s6y0iyry2zdndbsy215hqlz";
+    sha256 = "0xjijkmp3drnfrx4gb4bwf8n1dgwk310c0mssm6drffwix7ljpbz";
   };
 
   nativeBuildInputs = [ cmake extra-cmake-modules ];
diff --git a/pkgs/applications/editors/kdevelop5/kdev-python.nix b/pkgs/applications/editors/kdevelop5/kdev-python.nix
index 9af12b386a0..041c25f1728 100644
--- a/pkgs/applications/editors/kdevelop5/kdev-python.nix
+++ b/pkgs/applications/editors/kdevelop5/kdev-python.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "kdev-python";
-  version = "5.6.0";
+  version = "5.6.1";
 
   src = fetchurl {
     url = "https://github.com/KDE/${pname}/archive/v${version}.tar.gz";
-    sha256 = "1bm6jk7gkl4vi579x99mja4znrzzp15zk66ss600dn8aq11jrxv2";
+    sha256 = "1jma7j70imzxlyz8580m79jycif7zphga3zzfmqimn8syzz917hv";
   };
 
   cmakeFlags = [
diff --git a/pkgs/applications/misc/moolticute/default.nix b/pkgs/applications/misc/moolticute/default.nix
index bc825b94fac..804ba33209a 100644
--- a/pkgs/applications/misc/moolticute/default.nix
+++ b/pkgs/applications/misc/moolticute/default.nix
@@ -9,13 +9,13 @@
 
 mkDerivation rec {
   pname = "moolticute";
-  version = "0.44.17";
+  version = "0.44.21";
 
   src = fetchFromGitHub {
     owner = "mooltipass";
     repo = pname;
     rev = "v${version}";
-    sha256 = "1bqp99n8cqr7kjiffbs39v0dd280f50hid5py3c4zgc7aqj9k0bx";
+    sha256 = "1m3iy2v8mimyb25xisr7i4ga6qlggv1i2aji9qfgagns7ffp53nf";
   };
 
   outputs = [ "out" "udev" ];
diff --git a/pkgs/applications/misc/ulauncher/default.nix b/pkgs/applications/misc/ulauncher/default.nix
index f1439dc7d16..ba388e8038b 100644
--- a/pkgs/applications/misc/ulauncher/default.nix
+++ b/pkgs/applications/misc/ulauncher/default.nix
@@ -20,13 +20,13 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "ulauncher";
-  version = "5.8.0";
+  version = "5.8.1";
 
   disabled = python3Packages.isPy27;
 
   src = fetchurl {
     url = "https://github.com/Ulauncher/Ulauncher/releases/download/${version}/ulauncher_${version}.tar.gz";
-    sha256 = "1czxzcxix9iwv1sir1q64j5aavc7lzjjwqpisgdc1kidkwnk05zp";
+    sha256 = "1hgzfiwfk3dd50jmp184y754ydzmfv22qcv7z40gxj6pc67ahx3r";
   };
 
   nativeBuildInputs = with python3Packages; [
diff --git a/pkgs/applications/networking/browsers/brave/default.nix b/pkgs/applications/networking/browsers/brave/default.nix
index d76dd8b9daa..241df5f0a03 100644
--- a/pkgs/applications/networking/browsers/brave/default.nix
+++ b/pkgs/applications/networking/browsers/brave/default.nix
@@ -70,7 +70,6 @@ rpath = lib.makeLibraryPath [
   libXext
   libXfixes
   libXi
-  libxkbcommon
   libXrandr
   libXrender
   libXtst
@@ -89,11 +88,11 @@ in
 
 stdenv.mkDerivation rec {
   pname = "brave";
-  version = "1.17.73";
+  version = "1.18.70";
 
   src = fetchurl {
     url = "https://github.com/brave/brave-browser/releases/download/v${version}/brave-browser_${version}_amd64.deb";
-    sha256 = "18bd6kgzfza5r0y2ggfy82pdpnfr2hzgjcfy9vxqq658z7q3jpqy";
+    sha256 = "08v9r41knmvi3vi27hs8rsjiyrxiidx24zzwz2gbclf4l42sk88j";
   };
 
   dontConfigure = true;
diff --git a/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix b/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
index 05d94b2ef71..e585aa1e222 100644
--- a/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
@@ -25,7 +25,7 @@ let
       else "");
 in stdenv.mkDerivation rec {
   pname = "signal-desktop";
-  version = "1.39.2"; # Please backport all updates to the stable channel.
+  version = "1.39.3"; # Please backport all updates to the stable channel.
   # All releases have a limited lifetime and "expire" 90 days after the release.
   # When releases "expire" the application becomes unusable until an update is
   # applied. The expiration date for the current release can be extracted with:
@@ -35,7 +35,7 @@ in stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "https://updates.signal.org/desktop/apt/pool/main/s/signal-desktop/signal-desktop_${version}_amd64.deb";
-    sha256 = "15lv8jpnn2cx7hmb7pn32cvq6nqvzjflf77bbnvxva5hf9zjkma9";
+    sha256 = "1zrmxg7x5y48h9chiar798rbxrz8v79qa3lbkm0rxcjqfrnmr63x";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/applications/networking/p2p/frostwire/frostwire-bin.nix b/pkgs/applications/networking/p2p/frostwire/frostwire-bin.nix
index 364aeac550e..8ef8740f4d2 100644
--- a/pkgs/applications/networking/p2p/frostwire/frostwire-bin.nix
+++ b/pkgs/applications/networking/p2p/frostwire/frostwire-bin.nix
@@ -3,12 +3,12 @@
 with stdenv.lib;
 
 stdenv.mkDerivation rec {
-  version = "6.8.8";
+  version = "6.8.9";
   pname = "frostwire";
 
   src = fetchurl {
     url = "https://dl.frostwire.com/frostwire/${version}/frostwire-${version}.amd64.tar.gz";
-    sha256 = "0zxk0nv7m1k4n8n82h1rkh239a58s7j643lgqbw3qx45bdy4sf4k";
+    sha256 = "0f5vyliwncryj6hj5xx0dycxycxddsn28n6zixjrn56jajijyl6q";
   };
 
   nativeBuildInputs = [ makeWrapper ];
diff --git a/pkgs/applications/version-management/fossil/default.nix b/pkgs/applications/version-management/fossil/default.nix
index f8ad81c6058..6d39ae0931c 100644
--- a/pkgs/applications/version-management/fossil/default.nix
+++ b/pkgs/applications/version-management/fossil/default.nix
@@ -15,7 +15,7 @@
 
 stdenv.mkDerivation rec {
   pname = "fossil";
-  version = "2.12.1";
+  version = "2.13";
 
   src = fetchurl {
     urls =
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
         "https://www.fossil-scm.org/index.html/uv/fossil-src-${version}.tar.gz"
       ];
     name = "${pname}-${version}.tar.gz";
-    sha256 = "00v6gmn2wpfms5jzf103hkm5s8i3bfs5mzacmznlhdzdrzzjc8w2";
+    sha256 = "1xbk7bb7340x2vvn22ykii54v721fwk8vgr3xvjkvv8ff7hd6cyr";
   };
 
   nativeBuildInputs = [ installShellFiles tcl ];
diff --git a/pkgs/applications/window-managers/i3/i3-resurrect.nix b/pkgs/applications/window-managers/i3/i3-resurrect.nix
new file mode 100644
index 00000000000..a765d2e298e
--- /dev/null
+++ b/pkgs/applications/window-managers/i3/i3-resurrect.nix
@@ -0,0 +1,22 @@
+{ lib, buildPythonApplication, click, i3ipc, psutil, natsort, fetchPypi, xprop, xdotool, importlib-metadata }:
+
+buildPythonApplication rec {
+  pname = "i3-resurrect";
+  version = "1.4.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0h181frdwpqfj9agw43qgicdvzv1i7xwky0vs0ksd8h18qxqp4hr";
+  };
+
+  propagatedBuildInputs = [ click psutil xprop natsort i3ipc xdotool importlib-metadata ];
+  doCheck = false; # no tests
+
+  meta = with lib; {
+    homepage = "https://github.com/JonnyHaystack/i3-resurrect";
+    description = "A simple but flexible solution to saving and restoring i3 workspaces";
+    license = licenses.gpl3;
+    platforms= platforms.linux;
+    maintainers = with maintainers; [ magnetophon ];
+  };
+}
diff --git a/pkgs/build-support/vm/default.nix b/pkgs/build-support/vm/default.nix
index 2f18e96e4ce..5f3c7e1d621 100644
--- a/pkgs/build-support/vm/default.nix
+++ b/pkgs/build-support/vm/default.nix
@@ -1196,4 +1196,4 @@ rec {
      `debDistros' sets. */
   diskImages = lib.mapAttrs (name: f: f {}) diskImageFuns;
 
-} // import ./windows pkgs
+}
diff --git a/pkgs/build-support/vm/windows/bootstrap.nix b/pkgs/build-support/vm/windows/bootstrap.nix
deleted file mode 100644
index 3b06d8f4749..00000000000
--- a/pkgs/build-support/vm/windows/bootstrap.nix
+++ /dev/null
@@ -1,83 +0,0 @@
-{ stdenv, fetchurl, vmTools, writeScript, writeText, runCommand, makeInitrd
-, python, perl, coreutils, dosfstools, gzip, mtools, netcat-gnu, openssh, qemu
-, samba, socat, vde2, cdrkit, pathsFromGraph, gnugrep
-}:
-
-{ isoFile, productKey, arch ? null }:
-
-with stdenv.lib;
-
-let
-  controller = import ./controller {
-    inherit stdenv writeScript vmTools makeInitrd;
-    inherit samba vde2 openssh socat netcat-gnu coreutils gzip gnugrep;
-  };
-
-  mkCygwinImage = import ./cygwin-iso {
-    inherit stdenv fetchurl runCommand python perl cdrkit pathsFromGraph;
-    arch = let
-      defaultArch = if stdenv.is64bit then "x86_64" else "i686";
-    in if arch == null then defaultArch else arch;
-  };
-
-  installer = import ./install {
-    inherit controller mkCygwinImage;
-    inherit stdenv runCommand openssh qemu writeText dosfstools mtools;
-  };
-in rec {
-  installedVM = installer {
-    inherit isoFile productKey;
-  };
-
-  runInVM = img: attrs: controller (attrs // {
-    inherit (installedVM) sshKey;
-    qemuArgs = attrs.qemuArgs or [] ++ [
-      "-boot order=c"
-      "-drive file=${img},index=0,media=disk"
-    ];
-  });
-
-  runAndSuspend = let
-    drives = {
-      s = {
-        source = "nixstore";
-        target = "/nix/store";
-      };
-      x = {
-        source = "xchg";
-        target = "/tmp/xchg";
-      };
-    };
-
-    genDriveCmds = letter: { source, target }: [
-      "net use ${letter}: '\\\\192.168.0.2\\${source}' /persistent:yes"
-      "mkdir -p '${target}'"
-      "mount -o bind '/cygdrive/${letter}' '${target}'"
-      "echo '/cygdrive/${letter} ${target} none bind 0 0' >> /etc/fstab"
-    ];
-  in runInVM "winvm.img" {
-    command = concatStringsSep " && " ([
-      "net config server /autodisconnect:-1"
-    ] ++ concatLists (mapAttrsToList genDriveCmds drives));
-    suspendTo = "state.gz";
-  };
-
-  suspendedVM = stdenv.mkDerivation {
-    name = "cygwin-suspended-vm";
-    buildCommand = ''
-      ${qemu}/bin/qemu-img create \
-        -b "${installedVM}/disk.img" \
-        -f qcow2 winvm.img
-      ${runAndSuspend}
-      mkdir -p "$out"
-      cp winvm.img "$out/disk.img"
-      cp state.gz "$out/state.gz"
-    '';
-  };
-
-  resumeAndRun = command: runInVM "${suspendedVM}/disk.img" {
-    resumeFrom = "${suspendedVM}/state.gz";
-    qemuArgs = singleton "-snapshot";
-    inherit command;
-  };
-}
diff --git a/pkgs/build-support/vm/windows/controller/default.nix b/pkgs/build-support/vm/windows/controller/default.nix
deleted file mode 100644
index 9d13983a283..00000000000
--- a/pkgs/build-support/vm/windows/controller/default.nix
+++ /dev/null
@@ -1,263 +0,0 @@
-{ stdenv, writeScript, vmTools, makeInitrd
-, samba, vde2, openssh, socat, netcat-gnu, coreutils, gnugrep, gzip
-, runtimeShell
-}:
-
-{ sshKey
-, qemuArgs ? []
-, command ? "sync"
-, suspendTo ? null
-, resumeFrom ? null
-, installMode ? false
-}:
-
-with stdenv.lib;
-
-let
-  preInitScript = writeScript "preinit.sh" ''
-    #!${vmTools.initrdUtils}/bin/ash -e
-    export PATH=${vmTools.initrdUtils}/bin
-    mount -t proc none /proc
-    mount -t sysfs none /sys
-    for arg in $(cat /proc/cmdline); do
-      if [ "x''${arg#command=}" != "x$arg" ]; then
-        command="''${arg#command=}"
-      fi
-    done
-
-    for i in $(cat ${modulesClosure}/insmod-list); do
-      insmod $i
-    done
-
-    mkdir -p /dev /fs
-
-    mount -t tmpfs none /dev
-    mknod /dev/null    c 1 3
-    mknod /dev/zero    c 1 5
-    mknod /dev/random  c 1 8
-    mknod /dev/urandom c 1 9
-    mknod /dev/tty     c 5 0
-
-    ifconfig lo up
-    ifconfig eth0 up 192.168.0.2
-
-    mount -t tmpfs none /fs
-    mkdir -p /fs/nix/store /fs/xchg /fs/dev /fs/sys /fs/proc /fs/etc /fs/tmp
-
-    mount -o bind /dev /fs/dev
-    mount -t sysfs none /fs/sys
-    mount -t proc none /fs/proc
-
-    mount -t 9p \
-      -o trans=virtio,version=9p2000.L,cache=loose \
-      store /fs/nix/store
-
-    mount -t 9p \
-      -o trans=virtio,version=9p2000.L \
-      xchg /fs/xchg
-
-    echo root:x:0:0::/root:/bin/false > /fs/etc/passwd
-
-    set +e
-    chroot /fs $command $out
-    echo $? > /fs/xchg/in-vm-exit
-
-    poweroff -f
-  '';
-
-  initrd = makeInitrd {
-    contents = singleton {
-      object = preInitScript;
-      symlink = "/init";
-    };
-  };
-
-  loopForever = "while :; do ${coreutils}/bin/sleep 1; done";
-
-  initScript = writeScript "init.sh" (''
-    #!${runtimeShell}
-    ${coreutils}/bin/cp -L "${sshKey}" /ssh.key
-    ${coreutils}/bin/chmod 600 /ssh.key
-  '' + (if installMode then ''
-    echo -n "Waiting for Windows installation to finish..."
-    while ! ${netcat-gnu}/bin/netcat -z 192.168.0.1 22; do
-      echo -n .
-      # Print a dot every 10 seconds only to shorten line length.
-      ${coreutils}/bin/sleep 10
-    done
-    ${coreutils}/bin/touch /xchg/waiting_done
-    echo " success."
-    # Loop forever, because this VM is going to be killed.
-    ${loopForever}
-  '' else ''
-    ${coreutils}/bin/mkdir -p /etc/samba /etc/samba/private \
-                              /var/lib/samba /var/log /var/run
-    ${coreutils}/bin/cat > /etc/samba/smb.conf <<CONFIG
-    [global]
-    security = user
-    map to guest = Bad User
-    guest account = root
-    workgroup = cygwin
-    netbios name = controller
-    server string = %h
-    log level = 1
-    max log size = 1000
-    log file = /var/log/samba.log
-
-    [nixstore]
-    path = /nix/store
-    writable = yes
-    guest ok = yes
-
-    [xchg]
-    path = /xchg
-    writable = yes
-    guest ok = yes
-    CONFIG
-
-    ${samba}/sbin/nmbd -D
-    ${samba}/sbin/smbd -D
-
-    echo -n "Waiting for Windows VM to become available..."
-    while ! ${netcat-gnu}/bin/netcat -z 192.168.0.1 22; do
-      echo -n .
-      ${coreutils}/bin/sleep 1
-    done
-    ${coreutils}/bin/touch /xchg/waiting_done
-    echo " success."
-
-    ${openssh}/bin/ssh \
-      -o UserKnownHostsFile=/dev/null \
-      -o StrictHostKeyChecking=no \
-      -i /ssh.key \
-      -l Administrator \
-      192.168.0.1 -- ${lib.escapeShellArg command}
-  '') + optionalString (suspendTo != null) ''
-    ${coreutils}/bin/touch /xchg/suspend_now
-    ${loopForever}
-  '');
-
-  kernelAppend = concatStringsSep " " [
-    "panic=1"
-    "loglevel=4"
-    "console=tty1"
-    "console=ttyS0"
-    "command=${initScript}"
-  ];
-
-  controllerQemuArgs = concatStringsSep " " (maybeKvm64 ++ [
-    "-pidfile $CTRLVM_PIDFILE"
-    "-nographic"
-    "-no-reboot"
-    "-virtfs local,path=/nix/store,security_model=none,mount_tag=store"
-    "-virtfs local,path=$XCHG_DIR,security_model=none,mount_tag=xchg"
-    "-kernel ${modulesClosure.kernel}/bzImage"
-    "-initrd ${initrd}/initrd"
-    "-append \"${kernelAppend}\""
-    "-net nic,vlan=0,macaddr=52:54:00:12:01:02,model=virtio"
-    "-net vde,vlan=0,sock=$QEMU_VDE_SOCKET"
-  ]);
-
-  maybeKvm64 = optional (stdenv.hostPlatform.system == "x86_64-linux") "-cpu kvm64";
-
-  cygwinQemuArgs = concatStringsSep " " (maybeKvm64 ++ [
-    "-monitor unix:$MONITOR_SOCKET,server,nowait"
-    "-pidfile $WINVM_PIDFILE"
-    "-nographic"
-    "-net nic,vlan=0,macaddr=52:54:00:12:01:01"
-    "-net vde,vlan=0,sock=$QEMU_VDE_SOCKET"
-    "-rtc base=2010-01-01,clock=vm"
-  ] ++ qemuArgs ++ optionals (resumeFrom != null) [
-    "-incoming 'exec: ${gzip}/bin/gzip -c -d \"${resumeFrom}\"'"
-  ]);
-
-  modulesClosure = overrideDerivation vmTools.modulesClosure (o: {
-    rootModules = o.rootModules ++ singleton "virtio_net";
-  });
-
-  preVM = ''
-    (set; declare -p) > saved-env
-    XCHG_DIR="$(${coreutils}/bin/mktemp -d nix-vm.XXXXXXXXXX --tmpdir)"
-    ${coreutils}/bin/mv saved-env "$XCHG_DIR/"
-
-    eval "$preVM"
-
-    QEMU_VDE_SOCKET="$(pwd)/vde.ctl"
-    MONITOR_SOCKET="$(pwd)/monitor"
-    WINVM_PIDFILE="$(pwd)/winvm.pid"
-    CTRLVM_PIDFILE="$(pwd)/ctrlvm.pid"
-    ${vde2}/bin/vde_switch -s "$QEMU_VDE_SOCKET" --dirmode 0700 &
-    echo 'alive?' | ${socat}/bin/socat - \
-      UNIX-CONNECT:$QEMU_VDE_SOCKET/ctl,retry=20
-  '';
-
-  vmExec = ''
-    ${vmTools.qemuProg} ${controllerQemuArgs} &
-    ${vmTools.qemuProg} ${cygwinQemuArgs} &
-    echo -n "Waiting for VMs to start up..."
-    timeout=60
-    while ! test -e "$WINVM_PIDFILE" -a -e "$CTRLVM_PIDFILE"; do
-      timeout=$(($timeout - 1))
-      echo -n .
-      if test $timeout -le 0; then
-        echo " timed out."
-        exit 1
-      fi
-      ${coreutils}/bin/sleep 1
-    done
-    echo " done."
-  '';
-
-  checkDropOut = ''
-    if ! test -e "$XCHG_DIR/waiting_done" &&
-       ! kill -0 $(< "$WINVM_PIDFILE"); then
-      echo "Windows VM has dropped out early, bailing out!" >&2
-      exit 1
-    fi
-  '';
-
-  toMonitor = "${socat}/bin/socat - UNIX-CONNECT:$MONITOR_SOCKET";
-
-  postVM = if suspendTo != null then ''
-    while ! test -e "$XCHG_DIR/suspend_now"; do
-      ${checkDropOut}
-      ${coreutils}/bin/sleep 1
-    done
-    ${toMonitor} <<CMD
-    stop
-    migrate_set_speed 4095m
-    migrate "exec:${gzip}/bin/gzip -c > '${suspendTo}'"
-    CMD
-    echo -n "Waiting for memory dump to finish..."
-    while ! echo info migrate | ${toMonitor} | \
-          ${gnugrep}/bin/grep -qi '^migration *status: *complete'; do
-      ${coreutils}/bin/sleep 1
-      echo -n .
-    done
-    echo " done."
-    echo quit | ${toMonitor}
-    wait $(< "$WINVM_PIDFILE")
-    eval "$postVM"
-    exit 0
-  '' else if installMode then ''
-    wait $(< "$WINVM_PIDFILE")
-    eval "$postVM"
-    exit 0
-  '' else ''
-    while kill -0 $(< "$CTRLVM_PIDFILE"); do
-      ${checkDropOut}
-    done
-    if ! test -e "$XCHG_DIR/in-vm-exit"; then
-      echo "Virtual machine didn't produce an exit code."
-      exit 1
-    fi
-    eval "$postVM"
-    exit $(< "$XCHG_DIR/in-vm-exit")
-  '';
-
-in writeScript "run-cygwin-vm.sh" ''
-  #!${stdenv.shell} -e
-  ${preVM}
-  ${vmExec}
-  ${postVM}
-''
diff --git a/pkgs/build-support/vm/windows/cygwin-iso/default.nix b/pkgs/build-support/vm/windows/cygwin-iso/default.nix
deleted file mode 100644
index 76cd41a75bc..00000000000
--- a/pkgs/build-support/vm/windows/cygwin-iso/default.nix
+++ /dev/null
@@ -1,56 +0,0 @@
-{ stdenv, fetchurl, runCommand, python, perl, xorriso, pathsFromGraph
-, arch ? "x86_64"
-}:
-
-{ packages ? []
-, mirror ? "http://ftp.gwdg.de/pub/linux/sources.redhat.com/cygwin"
-, extraContents ? []
-}:
-
-let
-  cygPkgList = if arch == "x86_64" then fetchurl {
-    url = "${mirror}/x86_64/setup.ini";
-    sha256 = "0arrxvxbl85l82iy648snx5cl952w791p45p0dfg1xpiaf96cbkj";
-  } else fetchurl {
-    url = "${mirror}/x86/setup.ini";
-    sha256 = "1fayx34868vd5h2nah7chiw65sl3i9qzrwvs7lrlv2h8k412vb69";
-  };
-
-  cygwinCross = (import ../../../../.. {
-    localSystem = stdenv.hostPlatform;
-    crossSystem = {
-      libc = "msvcrt";
-      platform = {};
-      inherit arch;
-      config = "${arch}-w64-mingw32";
-    };
-  }).windows.cygwinSetup;
-
-  makeCygwinClosure = { packages, packageList }: let
-    expr = import (runCommand "cygwin.nix" { buildInputs = [ python ]; } ''
-      python ${./mkclosure.py} "${packages}" ${toString packageList} > "$out"
-    '');
-    gen = { url, hash }: {
-      source = fetchurl {
-        url = "${mirror}/${url}";
-        sha512 = hash;
-      };
-      target = url;
-    };
-  in map gen expr;
-
-in import ../../../../../nixos/lib/make-iso9660-image.nix {
-  inherit stdenv perl xorriso pathsFromGraph;
-  syslinux = null;
-  contents = [
-    { source = "${cygwinCross}/bin/setup.exe";
-      target = "setup.exe";
-    }
-    { source = cygPkgList;
-      target = "setup.ini";
-    }
-  ] ++ makeCygwinClosure {
-    packages = cygPkgList;
-    packageList = packages;
-  } ++ extraContents;
-}
diff --git a/pkgs/build-support/vm/windows/cygwin-iso/mkclosure.py b/pkgs/build-support/vm/windows/cygwin-iso/mkclosure.py
deleted file mode 100644
index 4c0d67c43ba..00000000000
--- a/pkgs/build-support/vm/windows/cygwin-iso/mkclosure.py
+++ /dev/null
@@ -1,78 +0,0 @@
-# Ugliest Python code I've ever written. -- aszlig
-import sys
-
-def get_plist(path):
-    in_pack = False
-    in_str = False
-    current_key = None
-    buf = ""
-    packages = {}
-    package_name = None
-    package_attrs = {}
-    with open(path, 'r') as setup:
-        for line in setup:
-            if in_str and line.rstrip().endswith('"'):
-                package_attrs[current_key] = buf + line.rstrip()[:-1]
-                in_str = False
-                continue
-            elif in_str:
-                buf += line
-                continue
-
-            if line.startswith('@'):
-                in_pack = True
-                package_name = line[1:].strip()
-                package_attrs = {}
-            elif in_pack and ':' in line:
-                key, value = line.split(':', 1)
-                if value.lstrip().startswith('"'):
-                    if value.lstrip()[1:].rstrip().endswith('"'):
-                        value = value.strip().strip('"')
-                    else:
-                        in_str = True
-                        current_key = key.strip().lower()
-                        buf = value.lstrip()[1:]
-                        continue
-                package_attrs[key.strip().lower()] = value.strip()
-            elif in_pack:
-                in_pack = False
-                packages[package_name] = package_attrs
-    return packages
-
-def main():
-    packages = get_plist(sys.argv[1])
-    to_include = set()
-
-    def traverse(package):
-        to_include.add(package)
-        attrs = packages.get(package, {})
-        deps = attrs.get('requires', '').split()
-        for new_dep in set(deps) - to_include:
-            traverse(new_dep)
-
-    map(traverse, sys.argv[2:])
-
-    sys.stdout.write('[\n')
-    for package, attrs in packages.iteritems():
-        if package not in to_include:
-            cats = [c.lower() for c in attrs.get('category', '').split()]
-            if 'base' not in cats:
-                continue
-
-        install_line = attrs.get('install')
-        if install_line is None:
-            continue
-
-        url, size, hash = install_line.split(' ', 2)
-
-        pack = [
-            '  {',
-            '    url = "{0}";'.format(url),
-            '    hash = "{0}";'.format(hash),
-            '  }',
-        ];
-        sys.stdout.write('\n'.join(pack) + '\n')
-    sys.stdout.write(']\n')
-
-if __name__ == '__main__':
-    main()
diff --git a/pkgs/build-support/vm/windows/default.nix b/pkgs/build-support/vm/windows/default.nix
deleted file mode 100644
index 309241c36de..00000000000
--- a/pkgs/build-support/vm/windows/default.nix
+++ /dev/null
@@ -1,44 +0,0 @@
-#note: the hardcoded /bin/sh is required for the VM's cygwin shell
-pkgs:
-
-let
-  bootstrapper = import ./bootstrap.nix {
-    inherit (pkgs) stdenv vmTools writeScript writeText runCommand makeInitrd;
-    inherit (pkgs) coreutils dosfstools gzip mtools netcat-gnu openssh qemu samba;
-    inherit (pkgs) socat vde2 fetchurl python perl cdrkit pathsFromGraph;
-    inherit (pkgs) gnugrep;
-  };
-
-  builder = ''
-    source /tmp/xchg/saved-env 2> /dev/null || true
-    export NIX_STORE=/nix/store
-    export NIX_BUILD_TOP=/tmp
-    export TMPDIR=/tmp
-    export PATH=/empty
-    cd "$NIX_BUILD_TOP"
-    exec $origBuilder $origArgs
-  '';
-
-in {
-  runInWindowsVM = drv: pkgs.lib.overrideDerivation drv (attrs: let
-    bootstrap = bootstrapper attrs.windowsImage;
-  in {
-    requiredSystemFeatures = [ "kvm" ];
-    builder = pkgs.stdenv.shell;
-    args = ["-e" (bootstrap.resumeAndRun builder)];
-    windowsImage = bootstrap.suspendedVM;
-    origArgs = attrs.args;
-    origBuilder = if attrs.builder == attrs.stdenv.shell
-                  then "/bin/sh"
-                  else attrs.builder;
-
-    postHook = ''
-      PATH=/usr/bin:/bin:/usr/sbin:/sbin
-      SHELL=/bin/sh
-      eval "$origPostHook"
-    '';
-
-    origPostHook = attrs.postHook or "";
-    fixupPhase = ":";
-  });
-}
diff --git a/pkgs/build-support/vm/windows/install/default.nix b/pkgs/build-support/vm/windows/install/default.nix
deleted file mode 100644
index fe8e8f61de0..00000000000
--- a/pkgs/build-support/vm/windows/install/default.nix
+++ /dev/null
@@ -1,74 +0,0 @@
-{ stdenv, runCommand, openssh, qemu, controller, mkCygwinImage
-, writeText, dosfstools, mtools
-}:
-
-{ isoFile
-, productKey
-}:
-
-let
-  bootstrapAfterLogin = runCommand "bootstrap.sh" {} ''
-    cat > "$out" <<EOF
-    mkdir -p ~/.ssh
-    cat > ~/.ssh/authorized_keys <<PUBKEY
-    $(cat "${cygwinSshKey}/key.pub")
-    PUBKEY
-    ssh-host-config -y -c 'binmode ntsec' -w dummy
-    cygrunsrv -S sshd
-    shutdown -s 5
-    EOF
-  '';
-
-  cygwinSshKey = stdenv.mkDerivation {
-    name = "snakeoil-ssh-cygwin";
-    buildCommand = ''
-      mkdir -p "$out"
-      ${openssh}/bin/ssh-keygen -t ecdsa -f "$out/key" -N ""
-    '';
-  };
-
-  sshKey = "${cygwinSshKey}/key";
-
-  packages = [ "openssh" "shutdown" ];
-
-  floppyCreator = import ./unattended-image.nix {
-    inherit stdenv writeText dosfstools mtools;
-  };
-
-  instfloppy = floppyCreator {
-    cygwinPackages = packages;
-    inherit productKey;
-  };
-
-  cygiso = mkCygwinImage {
-    inherit packages;
-    extraContents = stdenv.lib.singleton {
-      source = bootstrapAfterLogin;
-      target = "bootstrap.sh";
-    };
-  };
-
-  installController = controller {
-    inherit sshKey;
-    installMode = true;
-    qemuArgs = [
-      "-boot order=c,once=d"
-      "-drive file=${instfloppy},readonly,index=0,if=floppy"
-      "-drive file=winvm.img,index=0,media=disk"
-      "-drive file=${isoFile},index=1,media=cdrom"
-      "-drive file=${cygiso}/iso/cd.iso,index=2,media=cdrom"
-    ];
-  };
-
-in stdenv.mkDerivation {
-  name = "cygwin-base-vm";
-  buildCommand = ''
-    ${qemu}/bin/qemu-img create -f qcow2 winvm.img 2G
-    ${installController}
-    mkdir -p "$out"
-    cp winvm.img "$out/disk.img"
-  '';
-  passthru = {
-    inherit sshKey;
-  };
-}
diff --git a/pkgs/build-support/vm/windows/install/unattended-image.nix b/pkgs/build-support/vm/windows/install/unattended-image.nix
deleted file mode 100644
index 5b1ff84cf44..00000000000
--- a/pkgs/build-support/vm/windows/install/unattended-image.nix
+++ /dev/null
@@ -1,123 +0,0 @@
-{ stdenv, writeText, dosfstools, mtools }:
-
-{ productKey
-, shExecAfterwards ? "E:\\bootstrap.sh"
-, cygwinRoot ? "C:\\cygwin"
-, cygwinSetup ? "E:\\setup.exe"
-, cygwinRepository ? "E:\\"
-, cygwinPackages ? [ "openssh" ]
-}:
-
-let
-  afterSetup = [
-    cygwinSetup
-    "-L -n -q"
-    "-l ${cygwinRepository}"
-    "-R ${cygwinRoot}"
-    "-C base"
-  ] ++ map (p: "-P ${p}") cygwinPackages;
-
-  winXpUnattended = writeText "winnt.sif" ''
-    [Data]
-    AutoPartition = 1
-    AutomaticUpdates = 0
-    MsDosInitiated = 0
-    UnattendedInstall = Yes
-
-    [Unattended]
-    DUDisable = Yes
-    DriverSigningPolicy = Ignore
-    Hibernation = No
-    OemPreinstall = No
-    OemSkipEula = Yes
-    Repartition = Yes
-    TargetPath = \WINDOWS
-    UnattendMode = FullUnattended
-    UnattendSwitch = Yes
-    WaitForReboot = No
-
-    [GuiUnattended]
-    AdminPassword = "nopasswd"
-    AutoLogon = Yes
-    AutoLogonCount = 1
-    OEMSkipRegional = 1
-    OemSkipWelcome = 1
-    ServerWelcome = No
-    TimeZone = 85
-
-    [UserData]
-    ComputerName = "cygwin"
-    FullName = "cygwin"
-    OrgName = ""
-    ProductKey = "${productKey}"
-
-    [Networking]
-    InstallDefaultComponents = Yes
-
-    [Identification]
-    JoinWorkgroup = cygwin
-
-    [NetAdapters]
-    PrimaryAdapter = params.PrimaryAdapter
-
-    [params.PrimaryAdapter]
-    InfID = *
-
-    [params.MS_MSClient]
-
-    [NetProtocols]
-    MS_TCPIP = params.MS_TCPIP
-
-    [params.MS_TCPIP]
-    AdapterSections=params.MS_TCPIP.PrimaryAdapter
-
-    [params.MS_TCPIP.PrimaryAdapter]
-    DHCP = No
-    IPAddress = 192.168.0.1
-    SpecificTo = PrimaryAdapter
-    SubnetMask = 255.255.255.0
-    WINS = No
-
-    ; Turn off all components
-    [Components]
-    ${stdenv.lib.concatMapStrings (comp: "${comp} = Off\n") [
-      "AccessOpt" "Appsrv_console" "Aspnet" "BitsServerExtensionsISAPI"
-      "BitsServerExtensionsManager" "Calc" "Certsrv" "Certsrv_client"
-      "Certsrv_server" "Charmap" "Chat" "Clipbook" "Cluster" "Complusnetwork"
-      "Deskpaper" "Dialer" "Dtcnetwork" "Fax" "Fp_extensions" "Fp_vdir_deploy"
-      "Freecell" "Hearts" "Hypertrm" "IEAccess" "IEHardenAdmin" "IEHardenUser"
-      "Iis_asp" "Iis_common" "Iis_ftp" "Iis_inetmgr" "Iis_internetdataconnector"
-      "Iis_nntp" "Iis_serversideincludes" "Iis_smtp" "Iis_webdav" "Iis_www"
-      "Indexsrv_system" "Inetprint" "Licenseserver" "Media_clips" "Media_utopia"
-      "Minesweeper" "Mousepoint" "Msmq_ADIntegrated" "Msmq_Core"
-      "Msmq_HTTPSupport" "Msmq_LocalStorage" "Msmq_MQDSService"
-      "Msmq_RoutingSupport" "Msmq_TriggersService" "Msnexplr" "Mswordpad"
-      "Netcis" "Netoc" "OEAccess" "Objectpkg" "Paint" "Pinball" "Pop3Admin"
-      "Pop3Service" "Pop3Srv" "Rec" "Reminst" "Rootautoupdate" "Rstorage" "SCW"
-      "Sakit_web" "Solitaire" "Spider" "TSWebClient" "Templates"
-      "TerminalServer" "UDDIAdmin" "UDDIDatabase" "UDDIWeb" "Vol" "WMAccess"
-      "WMPOCM" "WbemMSI" "Wms" "Wms_admin_asp" "Wms_admin_mmc" "Wms_isapi"
-      "Wms_server" "Zonegames"
-    ]}
-
-    [WindowsFirewall]
-    Profiles = WindowsFirewall.TurnOffFirewall
-
-    [WindowsFirewall.TurnOffFirewall]
-    Mode = 0
-
-    [SetupParams]
-    UserExecute = "${stdenv.lib.concatStringsSep " " afterSetup}"
-
-    [GuiRunOnce]
-    Command0 = "${cygwinRoot}\bin\bash -l ${shExecAfterwards}"
-  '';
-
-in stdenv.mkDerivation {
-  name = "unattended-floppy.img";
-  buildCommand = ''
-    dd if=/dev/zero of="$out" count=1440 bs=1024
-    ${dosfstools}/sbin/mkfs.msdos "$out"
-    ${mtools}/bin/mcopy -i "$out" "${winXpUnattended}" ::winnt.sif
-  '';
-}
diff --git a/pkgs/development/libraries/libabigail/default.nix b/pkgs/development/libraries/libabigail/default.nix
index 168ce0c9e57..54dbb349eb6 100644
--- a/pkgs/development/libraries/libabigail/default.nix
+++ b/pkgs/development/libraries/libabigail/default.nix
@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation rec {
   pname = "libabigail";
-  version = "1.7";
+  version = "1.8";
 
   outputs = [ "bin" "out" "dev" ];
 
   src = fetchurl {
     url = "https://mirrors.kernel.org/sourceware/${pname}/${pname}-${version}.tar.gz";
-    sha256 = "0bf8w01l6wm7mm4clfg5rqi30m1ws11qqa4bp2vxghfwgi9ai8i7";
+    sha256 = "0p363mkgypcklgf8iylxpbdnfgqc086a6fv7n9hzrjjci45jdgqw";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/libraries/libfprint/default.nix b/pkgs/development/libraries/libfprint/default.nix
index 469633afb10..4984d95ffa4 100644
--- a/pkgs/development/libraries/libfprint/default.nix
+++ b/pkgs/development/libraries/libfprint/default.nix
@@ -16,7 +16,7 @@
 
 stdenv.mkDerivation rec {
   pname = "libfprint";
-  version = "1.90.4";
+  version = "1.90.5";
   outputs = [ "out" "devdoc" ];
 
   src = fetchFromGitLab {
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     owner = "libfprint";
     repo = pname;
     rev = "v${version}";
-    sha256 = "0grhck0h29i7hm7npvby7pn7wdc446kv0r4mkpbssp46lqbjb96b";
+    sha256 = "1wfwka2ik4hbb5wk5dp533040sqygwswg91c3v5fvpmmixh5qx9j";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/libraries/libsolv/default.nix b/pkgs/development/libraries/libsolv/default.nix
index 65ab87a0cf6..d75d9cc0780 100644
--- a/pkgs/development/libraries/libsolv/default.nix
+++ b/pkgs/development/libraries/libsolv/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
     description = "A free package dependency solver";
     homepage    = "https://github.com/openSUSE/libsolv";
     license     = licenses.bsd3;
-    platforms   = platforms.linux;
+    platforms   = platforms.linux ++ platforms.darwin;
     maintainers = with maintainers; [ copumpkin ];
   };
 }
diff --git a/pkgs/development/libraries/wxsqlite3/default.nix b/pkgs/development/libraries/wxsqlite3/default.nix
index 7bfc96fbf47..db5e91b74d6 100644
--- a/pkgs/development/libraries/wxsqlite3/default.nix
+++ b/pkgs/development/libraries/wxsqlite3/default.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation rec {
   pname = "wxsqlite3";
-  version = "4.6.1";
+  version = "4.6.2";
 
   src = fetchFromGitHub {
     owner = "utelle";
     repo = "wxsqlite3";
     rev = "v${version}";
-    sha256 = "0q5glzr49rjnpp6iqrx7zr9bz4n2ca0q0i0phk7y27rmxzrgpxk1";
+    sha256 = "10jlb4p3ahck9apcy2c2mrrjynv4c1dfwwbf1vwd8dl17pgv4kgs";
   };
 
   nativeBuildInputs = [ autoreconfHook ];
diff --git a/pkgs/misc/emulators/reicast/default.nix b/pkgs/misc/emulators/reicast/default.nix
new file mode 100644
index 00000000000..c9dff7217d2
--- /dev/null
+++ b/pkgs/misc/emulators/reicast/default.nix
@@ -0,0 +1,52 @@
+{ stdenv
+, fetchFromGitHub
+, cmake
+, pkg-config
+, curl
+, alsaLib
+, libGLU
+, libX11
+, libevdev
+, udev
+, libpulseaudio
+}:
+
+stdenv.mkDerivation rec {
+  pname = "reicast";
+  version = "20.04";
+
+  src = fetchFromGitHub {
+    owner = "reicast";
+    repo = "reicast-emulator";
+    rev = "r${version}";
+    sha256 = "0vz3b1hg1qj6nycnqq5zcpzqpcbxw1c2ffamia5z3x7rapjx5d71";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config ];
+  buildInputs = [
+    curl
+    alsaLib
+    libGLU
+    libX11
+    libevdev
+    udev
+    libpulseaudio
+  ];
+
+  # No rule to make target 'install'
+  installPhase = ''
+    runHook preInstall
+
+    install -D ./reicast $out/bin/reicast
+
+    runHook postInstall
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = "https://reicast.com/";
+    description = "A multi-platform Sega Dreamcast emulator";
+    license = with licenses; [ bsd3 gpl2Only lgpl2Only ];
+    platforms = ["x86_64-linux" ];
+    maintainers = [ maintainers.ivar ];
+  };
+}
diff --git a/pkgs/misc/mxt-app/default.nix b/pkgs/misc/mxt-app/default.nix
index 6ceb4d6c1a3..96d1c17fb29 100644
--- a/pkgs/misc/mxt-app/default.nix
+++ b/pkgs/misc/mxt-app/default.nix
@@ -1,19 +1,19 @@
 { stdenv, fetchFromGitHub, autoreconfHook, libtool }:
 
 stdenv.mkDerivation rec {
-  version="1.28";
+  version="1.32";
   pname = "mxt-app";
 
   src = fetchFromGitHub {
     owner = "atmel-maxtouch";
     repo = "mxt-app";
     rev = "v${version}";
-    sha256 = "1z2mir4ib9xzxmy0daazzvlga41n80zch1xyp1iz98rrdsnvd1la";
+    sha256 = "1z1g5h14j3yw3r9phgir33s9j07ns9c0r5lkl49940pzqycnrwbj";
   };
 
   nativeBuildInputs = [ autoreconfHook ];
   buildInputs = [ libtool ];
- 
+
   hardeningDisable = [ "fortify" ];
 
   meta = with stdenv.lib; {
diff --git a/pkgs/servers/plex/raw.nix b/pkgs/servers/plex/raw.nix
index e27048b2723..9e60e9f3704 100644
--- a/pkgs/servers/plex/raw.nix
+++ b/pkgs/servers/plex/raw.nix
@@ -12,16 +12,16 @@
 # server, and the FHS userenv and corresponding NixOS module should
 # automatically pick up the changes.
 stdenv.mkDerivation rec {
-  version = "1.21.0.3711-b509cc236";
+  version = "1.21.1.3795-ee64ab56f";
   pname = "plexmediaserver";
 
   # Fetch the source
   src = if stdenv.hostPlatform.system == "aarch64-linux" then fetchurl {
     url = "https://downloads.plex.tv/plex-media-server-new/${version}/debian/plexmediaserver_${version}_arm64.deb";
-    sha256 = "0nhxxfcds3byhbz8gsd9107diy182m33xbcc8jgi78hwfadyjj7h";
+    sha256 = "1k4ayb5jygi9g78703r1z4y4m0mp66m6jc72zj4zqk4xckzvjf4f";
   } else fetchurl {
     url = "https://downloads.plex.tv/plex-media-server-new/${version}/debian/plexmediaserver_${version}_amd64.deb";
-    sha256 = "0izsmcc337paakz1nqfsr78s097sxyxy3kbs43qpzpx7w5wshynb";
+    sha256 = "0qfc5k9sgi465pgrhv8nbm5p7s4wdpaljj54m2i7hfydva8ws8ci";
   };
 
   outputs = [ "out" "basedb" ];
diff --git a/pkgs/tools/misc/html-proofer/Gemfile.lock b/pkgs/tools/misc/html-proofer/Gemfile.lock
index 01b135dbf87..6ae042cb8ed 100644
--- a/pkgs/tools/misc/html-proofer/Gemfile.lock
+++ b/pkgs/tools/misc/html-proofer/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
     ethon (0.12.0)
       ffi (>= 1.3.0)
     ffi (1.13.1)
-    html-proofer (3.18.0)
+    html-proofer (3.18.1)
       addressable (~> 2.3)
       mercenary (~> 0.3)
       nokogumbo (~> 2.0)
diff --git a/pkgs/tools/misc/html-proofer/gemset.nix b/pkgs/tools/misc/html-proofer/gemset.nix
index 13f3aed7337..1c96316711d 100644
--- a/pkgs/tools/misc/html-proofer/gemset.nix
+++ b/pkgs/tools/misc/html-proofer/gemset.nix
@@ -37,10 +37,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1icjr9hg8gk1dsy9gnhffkamh4d8yfkmqa4kfzdpbnvr50qvfmwz";
+      sha256 = "0mp8vbnb58z97gscrbp0q0yn4wmq8gcr914kb8g6pjv5laq9hfxn";
       type = "gem";
     };
-    version = "3.18.0";
+    version = "3.18.1";
   };
   mercenary = {
     groups = ["default"];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 95d5994233e..af3acb1dea8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6908,6 +6908,8 @@ in
 
   rep = callPackage ../development/tools/rep { };
 
+  reicast = callPackage ../misc/emulators/reicast { };
+
   reredirect = callPackage ../tools/misc/reredirect { };
 
   retext = libsForQt5.callPackage ../applications/editors/retext { };
@@ -21994,6 +21996,8 @@ in
 
   i3-layout-manager = callPackage ../applications/window-managers/i3/layout-manager.nix { };
 
+  i3-resurrect = python3Packages.callPackage ../applications/window-managers/i3/i3-resurrect.nix { };
+
   i3blocks = callPackage ../applications/window-managers/i3/blocks.nix { };
 
   i3blocks-gaps = callPackage ../applications/window-managers/i3/blocks-gaps.nix { };