diff --git a/nixos/modules/services/x11/display-managers/sddm.nix b/nixos/modules/services/x11/display-managers/sddm.nix
index e6cc02e4d491..facaea131ae5 100644
--- a/nixos/modules/services/x11/display-managers/sddm.nix
+++ b/nixos/modules/services/x11/display-managers/sddm.nix
@@ -19,6 +19,17 @@ let
 
   Xsetup = pkgs.writeScript "Xsetup" ''
     #!/bin/sh
+
+    # Prior to Qt 5.9.2, there is a QML cache invalidation bug which sometimes
+    # strikes new Plasma 5 releases. If the QML cache is not invalidated, SDDM
+    # will segfault without explanation. We really tore our hair out for awhile
+    # before finding the bug:
+    # https://bugreports.qt.io/browse/QTBUG-62302
+    # We work around the problem by deleting the QML cache before startup. It
+    # will be regenerated, causing a small but perceptible delay when SDDM
+    # starts.
+    rm -fr /var/lib/sddm/.cache/sddm-greeter/qmlcache
+
     ${cfg.setupScript}
   '';
 
diff --git a/pkgs/applications/display-managers/sddm/default.nix b/pkgs/applications/display-managers/sddm/default.nix
index 3ce8d075410b..86a963bdac48 100644
--- a/pkgs/applications/display-managers/sddm/default.nix
+++ b/pkgs/applications/display-managers/sddm/default.nix
@@ -1,11 +1,11 @@
-{ mkDerivation, lib, copyPathsToStore, fetchFromGitHub, fetchpatch
+{ mkDerivation, lib, fetchFromGitHub, fetchpatch
 , cmake, extra-cmake-modules, pkgconfig, libxcb, libpthreadstubs, lndir
 , libXdmcp, libXau, qtbase, qtdeclarative, qttools, pam, systemd
 }:
 
 let
 
-  version = "0.15.0";
+  version = "0.16.0";
 
 in mkDerivation rec {
   name = "sddm-${version}";
@@ -14,11 +14,10 @@ in mkDerivation rec {
     owner = "sddm";
     repo = "sddm";
     rev = "v${version}";
-    sha256 = "1wissgl7wd7fblq8ghz8n2fr6wqip7h88p9fiarfpvi1918fgng8";
+    sha256 = "1j0rc8nk8bz7sxa0bc6lx9v7r3zlcfyicngfjqb894ni9k71kzsb";
   };
 
-  patches =
-    copyPathsToStore (lib.readPathsFromFile ./. ./series);
+  patches = [ ./sddm-ignore-config-mtime.patch ];
 
   postPatch =
     # Module Qt5::Test must be included in `find_package` before it is used.
diff --git a/pkgs/applications/display-managers/sddm/sddm-ignore-config-mtime.patch b/pkgs/applications/display-managers/sddm/sddm-ignore-config-mtime.patch
index 836df2de292d..aac09dfe876b 100644
--- a/pkgs/applications/display-managers/sddm/sddm-ignore-config-mtime.patch
+++ b/pkgs/applications/display-managers/sddm/sddm-ignore-config-mtime.patch
@@ -1,28 +1,43 @@
-From e9d82bfbc49993a5be2c93f6b72a969630587f26 Mon Sep 17 00:00:00 2001
-From: Thomas Tuegel <ttuegel@gmail.com>
-Date: Mon, 23 Nov 2015 06:56:28 -0600
-Subject: [PATCH 1/2] ignore config mtime
-
----
- src/common/ConfigReader.cpp | 5 -----
- 1 file changed, 5 deletions(-)
-
 diff --git a/src/common/ConfigReader.cpp b/src/common/ConfigReader.cpp
-index cfc9940..5bf5a6a 100644
+index 4b5983c..911c511 100644
 --- a/src/common/ConfigReader.cpp
 +++ b/src/common/ConfigReader.cpp
-@@ -138,11 +138,6 @@ namespace SDDM {
-         QString currentSection = QStringLiteral(IMPLICIT_SECTION);
+@@ -147,16 +147,13 @@ namespace SDDM {
+         // * m_path (classic fallback /etc/sddm.conf)
  
-         QFile in(m_path);
--        QDateTime modificationTime = QFileInfo(in).lastModified();
--        if (modificationTime <= m_fileModificationTime) {
+         QStringList files;
+-        QDateTime latestModificationTime = QFileInfo(m_path).lastModified();
+ 
+         if (!m_sysConfigDir.isEmpty()) {
+             //include the configDir in modification time so we also reload on any files added/removed
+             QDir dir(m_sysConfigDir);
+             if (dir.exists()) {
+-                latestModificationTime = std::max(latestModificationTime,  QFileInfo(m_sysConfigDir).lastModified());
+                 foreach (const QFileInfo &file, dir.entryInfoList(QDir::Files | QDir::NoDotAndDotDot, QDir::LocaleAware)) {
+                     files << (file.absoluteFilePath());
+-                    latestModificationTime = std::max(latestModificationTime, file.lastModified());
+                 }
+             }
+         }
+@@ -164,21 +161,14 @@ namespace SDDM {
+             //include the configDir in modification time so we also reload on any files added/removed
+             QDir dir(m_configDir);
+             if (dir.exists()) {
+-                latestModificationTime = std::max(latestModificationTime,  QFileInfo(m_configDir).lastModified());
+                 foreach (const QFileInfo &file, dir.entryInfoList(QDir::Files | QDir::NoDotAndDotDot, QDir::LocaleAware)) {
+                     files << (file.absoluteFilePath());
+-                    latestModificationTime = std::max(latestModificationTime, file.lastModified());
+                 }
+             }
+         }
+ 
+         files << m_path;
+ 
+-        if (latestModificationTime <= m_fileModificationTime) {
 -            return;
 -        }
--        m_fileModificationTime = modificationTime;
- 
-         in.open(QIODevice::ReadOnly);
-         while (!in.atEnd()) {
--- 
-2.6.3
-
+-        m_fileModificationTime = latestModificationTime;
+-
+         foreach (const QString &filepath, files) {
+             loadInternal(filepath);
+         }
diff --git a/pkgs/applications/display-managers/sddm/series b/pkgs/applications/display-managers/sddm/series
deleted file mode 100644
index cb6ea65fedb1..000000000000
--- a/pkgs/applications/display-managers/sddm/series
+++ /dev/null
@@ -1 +0,0 @@
-sddm-ignore-config-mtime.patch
\ No newline at end of file
diff --git a/pkgs/desktops/plasma-5/default.nix b/pkgs/desktops/plasma-5/default.nix
index 2bb4b7deceff..a9b3f1781324 100644
--- a/pkgs/desktops/plasma-5/default.nix
+++ b/pkgs/desktops/plasma-5/default.nix
@@ -133,6 +133,7 @@ let
       plasma-integration = callPackage ./plasma-integration.nix {};
       plasma-nm = callPackage ./plasma-nm {};
       plasma-pa = callPackage ./plasma-pa.nix { inherit gconf; };
+      plasma-vault = callPackage ./plasma-vault {};
       plasma-workspace = callPackage ./plasma-workspace {};
       plasma-workspace-wallpapers = callPackage ./plasma-workspace-wallpapers.nix {};
       polkit-kde-agent = callPackage ./polkit-kde-agent.nix {};
diff --git a/pkgs/desktops/plasma-5/fetch.sh b/pkgs/desktops/plasma-5/fetch.sh
index 7513c83c107c..f4d396047261 100644
--- a/pkgs/desktops/plasma-5/fetch.sh
+++ b/pkgs/desktops/plasma-5/fetch.sh
@@ -1 +1 @@
-WGET_ARGS=( https://download.kde.org/stable/plasma/5.10.5/ -A '*.tar.xz' )
+WGET_ARGS=( https://download.kde.org/stable/plasma/5.11.1/ -A '*.tar.xz' )
diff --git a/pkgs/desktops/plasma-5/kde-cli-tools.nix b/pkgs/desktops/plasma-5/kde-cli-tools.nix
index 6bcafc5813a9..63219d8cbe1a 100644
--- a/pkgs/desktops/plasma-5/kde-cli-tools.nix
+++ b/pkgs/desktops/plasma-5/kde-cli-tools.nix
@@ -1,7 +1,7 @@
 {
   mkDerivation, extra-cmake-modules, kdoctools,
   kcmutils, kconfig, kdesu, ki18n, kiconthemes, kinit, kio, kwindowsystem,
-  qtsvg, qtx11extras,
+  qtsvg, qtx11extras, kactivities
 }:
 
 mkDerivation {
@@ -9,6 +9,6 @@ mkDerivation {
   nativeBuildInputs = [ extra-cmake-modules kdoctools ];
   buildInputs = [
     kcmutils kconfig kdesu ki18n kiconthemes kinit kio kwindowsystem qtsvg
-    qtx11extras
+    qtx11extras kactivities
   ];
 }
diff --git a/pkgs/desktops/plasma-5/plasma-desktop/ibus.patch b/pkgs/desktops/plasma-5/plasma-desktop/ibus.patch
deleted file mode 100644
index d5ac4b250875..000000000000
--- a/pkgs/desktops/plasma-5/plasma-desktop/ibus.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-Index: plasma-desktop-5.8.5/kcms/keyboard/xkb_helper.cpp
-===================================================================
---- plasma-desktop-5.8.5.orig/kcms/keyboard/xkb_helper.cpp
-+++ plasma-desktop-5.8.5/kcms/keyboard/xkb_helper.cpp
-@@ -185,21 +185,5 @@ bool XkbHelper::initializeKeyboardLayout
- 
- bool XkbHelper::preInitialize()
- {
--    // stop ibus so it does not mess with our layouts, we can remove this when we integrate IM into keyboard module
--
--    QString ibusExe = QStandardPaths::findExecutable(QStringLiteral("ibus"));
--    if( ibusExe.isEmpty() ) {
--        return 0;
--    }
--
--    KProcess ibusProcess;
--    ibusProcess << ibusExe << QStringLiteral("exit");
--    ibusProcess.setOutputChannelMode(KProcess::SeparateChannels);
--    int res = ibusProcess.execute();
--
--    if( res == 0 ) {
--        qCWarning(KCM_KEYBOARD) << "ibus successfully stopped";
--    }
--
-     return 0;
- }
diff --git a/pkgs/desktops/plasma-5/plasma-desktop/qml-import-paths.patch b/pkgs/desktops/plasma-5/plasma-desktop/qml-import-paths.patch
index def5b577b972..d3f5166d5ed9 100644
--- a/pkgs/desktops/plasma-5/plasma-desktop/qml-import-paths.patch
+++ b/pkgs/desktops/plasma-5/plasma-desktop/qml-import-paths.patch
@@ -1,27 +1,14 @@
-Index: plasma-desktop-5.8.5/applets/pager/package/contents/ui/main.qml
-===================================================================
---- plasma-desktop-5.8.5.orig/applets/pager/package/contents/ui/main.qml
-+++ plasma-desktop-5.8.5/applets/pager/package/contents/ui/main.qml
-@@ -25,7 +25,7 @@ import org.kde.plasma.components 2.0 as
- import org.kde.kquickcontrolsaddons 2.0 as KQuickControlsAddonsComponents
- import org.kde.draganddrop 2.0
- import org.kde.plasma.private.pager 2.0
--import "utils.js" as Utils
-+import "../code/utils.js" as Utils
- 
- MouseArea {
-     id: root
 Index: plasma-desktop-5.8.5/containments/desktop/package/contents/ui/FolderView.qml
 ===================================================================
 --- plasma-desktop-5.8.5.orig/containments/desktop/package/contents/ui/FolderView.qml
 +++ plasma-desktop-5.8.5/containments/desktop/package/contents/ui/FolderView.qml
 @@ -27,7 +27,7 @@ import org.kde.plasma.extras 2.0 as Plas
  import org.kde.kquickcontrolsaddons 2.0
- 
+
  import org.kde.private.desktopcontainment.folder 0.1 as Folder
 -import "FolderTools.js" as FolderTools
 +import "../code/FolderTools.js" as FolderTools
- 
+
  Item {
      id: main
 Index: plasma-desktop-5.8.5/containments/desktop/package/contents/ui/main.qml
@@ -29,14 +16,14 @@ Index: plasma-desktop-5.8.5/containments/desktop/package/contents/ui/main.qml
 --- plasma-desktop-5.8.5.orig/containments/desktop/package/contents/ui/main.qml
 +++ plasma-desktop-5.8.5/containments/desktop/package/contents/ui/main.qml
 @@ -30,8 +30,8 @@ import org.kde.kquickcontrolsaddons 2.0
- 
+
  import org.kde.private.desktopcontainment.desktop 0.1 as Desktop
- 
+
 -import "LayoutManager.js" as LayoutManager
 -import "FolderTools.js" as FolderTools
 +import "../code/LayoutManager.js" as LayoutManager
 +import "../code/FolderTools.js" as FolderTools
- 
+
  DragDrop.DropArea {
      id: root
 Index: plasma-desktop-5.8.5/containments/panel/contents/ui/main.qml
@@ -46,9 +33,9 @@ Index: plasma-desktop-5.8.5/containments/panel/contents/ui/main.qml
 @@ -25,7 +25,7 @@ import org.kde.plasma.components 2.0 as
  import org.kde.kquickcontrolsaddons 2.0
  import org.kde.draganddrop 2.0 as DragDrop
- 
+
 -import "LayoutManager.js" as LayoutManager
 +import "../code/LayoutManager.js" as LayoutManager
- 
+
  DragDrop.DropArea {
      id: root
diff --git a/pkgs/desktops/plasma-5/plasma-desktop/series b/pkgs/desktops/plasma-5/plasma-desktop/series
index 36778cd1c560..6334deb7d973 100644
--- a/pkgs/desktops/plasma-5/plasma-desktop/series
+++ b/pkgs/desktops/plasma-5/plasma-desktop/series
@@ -1,4 +1,3 @@
 qml-import-paths.patch
 hwclock-path.patch
 tzdir.patch
-ibus.patch
diff --git a/pkgs/desktops/plasma-5/plasma-integration.nix b/pkgs/desktops/plasma-5/plasma-integration.nix
index de46bb4373c6..f69644287624 100644
--- a/pkgs/desktops/plasma-5/plasma-integration.nix
+++ b/pkgs/desktops/plasma-5/plasma-integration.nix
@@ -2,7 +2,7 @@
   mkDerivation,
   extra-cmake-modules,
   breeze-qt5, kconfig, kconfigwidgets, kiconthemes, kio, knotifications,
-  kwayland, libXcursor
+  kwayland, libXcursor, qtquickcontrols2
 }:
 
 # TODO: install Noto Sans and Oxygen Mono fonts with plasma-integration
@@ -12,6 +12,6 @@ mkDerivation {
   nativeBuildInputs = [ extra-cmake-modules ];
   buildInputs = [
     breeze-qt5 kconfig kconfigwidgets kiconthemes kio knotifications kwayland
-    libXcursor
+    libXcursor qtquickcontrols2
   ];
 }
diff --git a/pkgs/desktops/plasma-5/plasma-vault/cryfs-path.patch b/pkgs/desktops/plasma-5/plasma-vault/cryfs-path.patch
new file mode 100644
index 000000000000..b3f19c4e0025
--- /dev/null
+++ b/pkgs/desktops/plasma-5/plasma-vault/cryfs-path.patch
@@ -0,0 +1,17 @@
+diff --git a/kded/engine/backends/cryfs/cryfsbackend.cpp b/kded/engine/backends/cryfs/cryfsbackend.cpp
+index f6ef54f..160034a 100644
+--- a/kded/engine/backends/cryfs/cryfsbackend.cpp
++++ b/kded/engine/backends/cryfs/cryfsbackend.cpp
+@@ -136,11 +136,10 @@ bool CryFsBackend::isInitialized(const Device &device) const
+ 
+ QProcess *CryFsBackend::cryfs(const QStringList &arguments) const
+ {
+-    return process("cryfs",
++    return process(NIXPKGS_CRYFS,
+                    arguments,
+                    { { "CRYFS_FRONTEND", "noninteractive" } });
+ }
+ 
+ 
+ } // namespace PlasmaVault
+-
diff --git a/pkgs/desktops/plasma-5/plasma-vault/default.nix b/pkgs/desktops/plasma-5/plasma-vault/default.nix
new file mode 100644
index 000000000000..203ff50d7357
--- /dev/null
+++ b/pkgs/desktops/plasma-5/plasma-vault/default.nix
@@ -0,0 +1,38 @@
+{
+  mkDerivation, lib,
+  extra-cmake-modules,
+
+  kactivities,
+  plasma-framework,
+  kwindowsystem,
+  libksysguard,
+
+  encfs,
+  cryfs,
+  fuse
+}:
+
+mkDerivation {
+  name = "plasma-vault";
+  nativeBuildInputs = [ extra-cmake-modules ];
+
+  patches = [
+    ./encfs-path.patch
+    ./cryfs-path.patch
+    ./fusermount-path.patch
+  ];
+
+  buildInputs = [
+    kactivities plasma-framework kwindowsystem libksysguard
+  ];
+
+  NIX_CFLAGS_COMPILE = [
+    ''-DNIXPKGS_ENCFS="${lib.getBin encfs}/bin/encfs"''
+    ''-DNIXPKGS_ENCFSCTL="${lib.getBin encfs}/bin/encfsctl"''
+
+    ''-DNIXPKGS_CRYFS="${lib.getBin cryfs}/bin/cryfs"''
+
+    ''-DNIXPKGS_FUSERMOUNT="${lib.getBin fuse}/bin/fusermount"''
+  ];
+
+}
diff --git a/pkgs/desktops/plasma-5/plasma-vault/encfs-path.patch b/pkgs/desktops/plasma-5/plasma-vault/encfs-path.patch
new file mode 100644
index 000000000000..b494df55c5d0
--- /dev/null
+++ b/pkgs/desktops/plasma-5/plasma-vault/encfs-path.patch
@@ -0,0 +1,24 @@
+diff --git a/kded/engine/backends/encfs/encfsbackend.cpp b/kded/engine/backends/encfs/encfsbackend.cpp
+index 47bb237..4ff064d 100644
+--- a/kded/engine/backends/encfs/encfsbackend.cpp
++++ b/kded/engine/backends/encfs/encfsbackend.cpp
+@@ -132,17 +132,16 @@ bool EncFsBackend::isInitialized(const Device &device) const
+ 
+ QProcess *EncFsBackend::encfs(const QStringList &arguments) const
+ {
+-    return process("encfs", arguments, {});
++    return process(NIXPKGS_ENCFS, arguments, {});
+ }
+ 
+ 
+ 
+ QProcess *EncFsBackend::encfsctl(const QStringList &arguments) const
+ {
+-    return process("encfsctl", arguments, {});
++    return process(NIXPKGS_ENCFSCTL, arguments, {});
+ }
+ 
+ 
+ 
+ } // namespace PlasmaVault
+-
diff --git a/pkgs/desktops/plasma-5/plasma-vault/fusermount-path.patch b/pkgs/desktops/plasma-5/plasma-vault/fusermount-path.patch
new file mode 100644
index 000000000000..cd1b736a103f
--- /dev/null
+++ b/pkgs/desktops/plasma-5/plasma-vault/fusermount-path.patch
@@ -0,0 +1,18 @@
+diff --git a/kded/engine/fusebackend_p.cpp b/kded/engine/fusebackend_p.cpp
+index 81ce494..d3c5c9f 100644
+--- a/kded/engine/fusebackend_p.cpp
++++ b/kded/engine/fusebackend_p.cpp
+@@ -103,7 +103,7 @@ QProcess *FuseBackend::process(const QString &executable,
+ 
+ QProcess *FuseBackend::fusermount(const QStringList &arguments) const
+ {
+-    return process("fusermount", arguments, {});
++    return process(NIXPKGS_FUSERMOUNT, arguments, {});
+ }
+ 
+ 
+@@ -245,4 +245,3 @@ bool FuseBackend::isOpened(const MountPoint &mountPoint) const
+ }
+ 
+ } // namespace PlasmaVault
+-
diff --git a/pkgs/desktops/plasma-5/plasma-workspace/qml-import-path.patch b/pkgs/desktops/plasma-5/plasma-workspace/qml-import-path.patch
index 12eb65caa717..3b3d318d3bbf 100644
--- a/pkgs/desktops/plasma-5/plasma-workspace/qml-import-path.patch
+++ b/pkgs/desktops/plasma-5/plasma-workspace/qml-import-path.patch
@@ -1,16 +1,3 @@
-Index: plasma-workspace-5.6.3/applets/analog-clock/contents/ui/analogclock.qml
-===================================================================
---- plasma-workspace-5.6.3.orig/applets/analog-clock/contents/ui/analogclock.qml
-+++ plasma-workspace-5.6.3/applets/analog-clock/contents/ui/analogclock.qml
-@@ -26,7 +26,7 @@ import QtQuick.Layouts 1.1
- 
- import org.kde.plasma.core 2.0 as PlasmaCore
- import org.kde.plasma.components 2.0 as PlasmaComponents
--import "logic.js" as Logic
-+import "../code/logic.js" as Logic
- 
- Item {
-     id: analogclock
 Index: plasma-workspace-5.6.3/applets/batterymonitor/package/contents/ui/BatteryItem.qml
 ===================================================================
 --- plasma-workspace-5.6.3.orig/applets/batterymonitor/package/contents/ui/BatteryItem.qml
@@ -21,35 +8,9 @@ Index: plasma-workspace-5.6.3/applets/batterymonitor/package/contents/ui/Battery
  import org.kde.kcoreaddons 1.0 as KCoreAddons
 -import "logic.js" as Logic
 +import "../code/logic.js" as Logic
- 
+
  Item {
      id: batteryItem
-Index: plasma-workspace-5.6.3/applets/batterymonitor/package/contents/ui/CompactRepresentation.qml
-===================================================================
---- plasma-workspace-5.6.3.orig/applets/batterymonitor/package/contents/ui/CompactRepresentation.qml
-+++ plasma-workspace-5.6.3/applets/batterymonitor/package/contents/ui/CompactRepresentation.qml
-@@ -24,7 +24,7 @@ import QtQuick.Layouts 1.1
- import org.kde.plasma.core 2.0 as PlasmaCore
- import org.kde.plasma.components 2.0 as Components
- import org.kde.plasma.workspace.components 2.0
--import "logic.js" as Logic
-+import "../code/logic.js" as Logic
- 
- MouseArea {
-     id: root
-Index: plasma-workspace-5.6.3/applets/batterymonitor/package/contents/ui/PopupDialog.qml
-===================================================================
---- plasma-workspace-5.6.3.orig/applets/batterymonitor/package/contents/ui/PopupDialog.qml
-+++ plasma-workspace-5.6.3/applets/batterymonitor/package/contents/ui/PopupDialog.qml
-@@ -23,7 +23,7 @@ import org.kde.plasma.core 2.0 as Plasma
- import org.kde.plasma.components 2.0 as Components
- import org.kde.plasma.extras 2.0 as PlasmaExtras
- import org.kde.kquickcontrolsaddons 2.0
--import "logic.js" as Logic
-+import "../code/logic.js" as Logic
- 
- FocusScope {
-     id: dialog
 Index: plasma-workspace-5.6.3/applets/batterymonitor/package/contents/ui/batterymonitor.qml
 ===================================================================
 --- plasma-workspace-5.6.3.orig/applets/batterymonitor/package/contents/ui/batterymonitor.qml
@@ -60,7 +21,7 @@ Index: plasma-workspace-5.6.3/applets/batterymonitor/package/contents/ui/battery
  import org.kde.kquickcontrolsaddons 2.0
 -import "logic.js" as Logic
 +import "../code/logic.js" as Logic
- 
+
  Item {
      id: batterymonitor
 Index: plasma-workspace-5.6.3/applets/lock_logout/contents/ui/lockout.qml
@@ -73,7 +34,7 @@ Index: plasma-workspace-5.6.3/applets/lock_logout/contents/ui/lockout.qml
  import org.kde.kquickcontrolsaddons 2.0
 -import "data.js" as Data
 +import "../code/data.js" as Data
- 
+
  Flow {
      id: lockout
 Index: plasma-workspace-5.6.3/applets/notifications/package/contents/ui/main.qml
@@ -81,11 +42,11 @@ Index: plasma-workspace-5.6.3/applets/notifications/package/contents/ui/main.qml
 --- plasma-workspace-5.6.3.orig/applets/notifications/package/contents/ui/main.qml
 +++ plasma-workspace-5.6.3/applets/notifications/package/contents/ui/main.qml
 @@ -28,7 +28,7 @@ import org.kde.plasma.extras 2.0 as Plas
- 
+
  import org.kde.plasma.private.notifications 1.0
- 
+
 -import "uiproperties.js" as UiProperties
 +import "../code/uiproperties.js" as UiProperties
- 
+
  MouseEventListener {
      id: notificationsApplet
diff --git a/pkgs/desktops/plasma-5/srcs.nix b/pkgs/desktops/plasma-5/srcs.nix
index 854b86c1640d..900c6c0b2c43 100644
--- a/pkgs/desktops/plasma-5/srcs.nix
+++ b/pkgs/desktops/plasma-5/srcs.nix
@@ -3,339 +3,355 @@
 
 {
   bluedevil = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/bluedevil-5.10.5.tar.xz";
-      sha256 = "01nhfggikkygfzyjbm7zqszhq2x1fhc619wskwjb7hm9p35laj9r";
-      name = "bluedevil-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/bluedevil-5.11.1.tar.xz";
+      sha256 = "0p1y3p87xg7rjj35n81jg4v4yr2k7bf80qzfnwslbvwrpnzs982q";
+      name = "bluedevil-5.11.1.tar.xz";
     };
   };
   breeze = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/breeze-5.10.5.tar.xz";
-      sha256 = "0rmc3nn9b63jyij814hqx1zg38iphvd03pg7qybkp61zw40ng90v";
-      name = "breeze-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/breeze-5.11.1.tar.xz";
+      sha256 = "0yqbr7j0iqnmczbfv454f1l5x3787vzfchgkrd995d6za2d0w2lp";
+      name = "breeze-5.11.1.tar.xz";
     };
   };
   breeze-grub = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/breeze-grub-5.10.5.tar.xz";
-      sha256 = "0am1hldqyrsryda907q2qwfc09xcsxrv7bq9v23ig0xmylcsq3if";
-      name = "breeze-grub-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/breeze-grub-5.11.1.tar.xz";
+      sha256 = "0pcri1z4min5m6wb6ncyjavwd9nszyis3cqdyw6mqb4av55z0xl0";
+      name = "breeze-grub-5.11.1.tar.xz";
     };
   };
   breeze-gtk = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/breeze-gtk-5.10.5.tar.xz";
-      sha256 = "0i5ddrq9h1www5362qyfwpqpspn3brr43mbsv7ax7gk30san6w0a";
-      name = "breeze-gtk-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/breeze-gtk-5.11.1.tar.xz";
+      sha256 = "0qb3ykf1mdw1iparsaxnypc4z41lfal6idksz9va25p3vclh02gr";
+      name = "breeze-gtk-5.11.1.tar.xz";
     };
   };
   breeze-plymouth = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/breeze-plymouth-5.10.5.tar.xz";
-      sha256 = "197g84mvh8s3f163zx24y1mmzk26fg3ni19pw21njdj2j813hd35";
-      name = "breeze-plymouth-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/breeze-plymouth-5.11.1.tar.xz";
+      sha256 = "1z175176583aqdvv6gwy7mdkndr50x1c8xdihrrcvdhvqy9qc7hr";
+      name = "breeze-plymouth-5.11.1.tar.xz";
     };
   };
   discover = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/discover-5.10.5.tar.xz";
-      sha256 = "085lq0y9a6r12jbx2ik7zqp4r9bjw332ykfh2gbzzz4s7l7rj4xf";
-      name = "discover-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/discover-5.11.1.tar.xz";
+      sha256 = "0zr53nw9lix80wlf7wa7irng2vvy80wccjs439ib8r1yh3ggiq4c";
+      name = "discover-5.11.1.tar.xz";
+    };
+  };
+  drkonqi = {
+    version = "5.11.1";
+    src = fetchurl {
+      url = "${mirror}/stable/plasma/5.11.1/drkonqi-5.11.1.tar.xz";
+      sha256 = "0kq06sz39m8qg19b4cjqfwnx19j3s29hddhls8wywswwxlz4aq35";
+      name = "drkonqi-5.11.1.tar.xz";
     };
   };
   kactivitymanagerd = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kactivitymanagerd-5.10.5.tar.xz";
-      sha256 = "19c297iyaq54vxc6xmvqsa1qlj5vr8071ydmkkfx3fa3lijp34v7";
-      name = "kactivitymanagerd-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kactivitymanagerd-5.11.1.tar.xz";
+      sha256 = "1j36mbngga492xxhm1ndw1bnq1qn480qpvzi94wyax9y3r4szmhg";
+      name = "kactivitymanagerd-5.11.1.tar.xz";
     };
   };
   kde-cli-tools = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kde-cli-tools-5.10.5.tar.xz";
-      sha256 = "1i2frbxvzlqlv210w50ccxn8ksqxranc93v0wfjvnhd7f8p9c7vk";
-      name = "kde-cli-tools-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kde-cli-tools-5.11.1.tar.xz";
+      sha256 = "0di7ypyhda4gpadhi0lbji4nyi9xk1y844kxfb586wpzkim5w82c";
+      name = "kde-cli-tools-5.11.1.tar.xz";
     };
   };
   kdecoration = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kdecoration-5.10.5.tar.xz";
-      sha256 = "0g24gisbnp92niff36bcnjk5pp84qc8cwmx283b887fzcn8v4mf3";
-      name = "kdecoration-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kdecoration-5.11.1.tar.xz";
+      sha256 = "1jpvdscmy5ymyvj22784swvf6181f7ggr875djhx57c7i4shb3ph";
+      name = "kdecoration-5.11.1.tar.xz";
     };
   };
   kde-gtk-config = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kde-gtk-config-5.10.5.tar.xz";
-      sha256 = "1a5q8skykhvr5mixi59db2w1qsh8nj2dqncw4nmsh5nlh2ldmgm5";
-      name = "kde-gtk-config-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kde-gtk-config-5.11.1.tar.xz";
+      sha256 = "1afbwdrjdv9a2qwyxysgnslavan20cmhrz88kmnf9imxlll0i7al";
+      name = "kde-gtk-config-5.11.1.tar.xz";
     };
   };
   kdeplasma-addons = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kdeplasma-addons-5.10.5.tar.xz";
-      sha256 = "1xdsa38i60x24p6xiv4x1cqd7f2xijs15c19qsjv594lnmbizbr5";
-      name = "kdeplasma-addons-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kdeplasma-addons-5.11.1.tar.xz";
+      sha256 = "09dwmd1aiiivkvdbyv97fili067sd8mw9dpknawair4mh7qb0zln";
+      name = "kdeplasma-addons-5.11.1.tar.xz";
     };
   };
   kgamma5 = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kgamma5-5.10.5.tar.xz";
-      sha256 = "0rci4v5amhfiwawf2sj5f6cmcyq3lrx68mn8id279bpq35mr23v1";
-      name = "kgamma5-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kgamma5-5.11.1.tar.xz";
+      sha256 = "1m9maxzn5y3zijmj2fkwsfwhinprhz97v9fi312dmwyvfhq3qvyd";
+      name = "kgamma5-5.11.1.tar.xz";
     };
   };
   khotkeys = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/khotkeys-5.10.5.tar.xz";
-      sha256 = "1ixxb18nz3f4i2qqr1lvss7b662sgj78kzqjs0gd9mf5ylhqj5is";
-      name = "khotkeys-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/khotkeys-5.11.1.tar.xz";
+      sha256 = "0d1p1sia9qvdls38m29jijsf1ya8zvza557flmhcajb5ldn243l5";
+      name = "khotkeys-5.11.1.tar.xz";
     };
   };
   kinfocenter = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kinfocenter-5.10.5.tar.xz";
-      sha256 = "0flfjypp6v2k99h11srigyc0ahy23869wz3ljbqbm3b0pgqs69sm";
-      name = "kinfocenter-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kinfocenter-5.11.1.tar.xz";
+      sha256 = "0ivhf460y83qv4qdphdvskx2nlfqzy453xfnq7ldyzp2yacdmcc8";
+      name = "kinfocenter-5.11.1.tar.xz";
     };
   };
   kmenuedit = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kmenuedit-5.10.5.tar.xz";
-      sha256 = "0b786l5gm093dq1hvxcn97yg9fr0jmjhfl7sfd0cdn4pkg6almam";
-      name = "kmenuedit-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kmenuedit-5.11.1.tar.xz";
+      sha256 = "081lqh5ck854pha1f99w6w4j032spl3v28ild61fmhvhzkvx48a6";
+      name = "kmenuedit-5.11.1.tar.xz";
     };
   };
   kscreen = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kscreen-5.10.5.tar.xz";
-      sha256 = "1a8bqa4wqnjav2w0s39dh7hmb3mqxjnhqwsw6mycgaxicl0h37vf";
-      name = "kscreen-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kscreen-5.11.1.tar.xz";
+      sha256 = "1skdg59qacxxkiyz3gc1nn4y4lflbynpcb4mpsliqb2n2xdhvg8r";
+      name = "kscreen-5.11.1.tar.xz";
     };
   };
   kscreenlocker = {
-    version = "5.10.5.1";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kscreenlocker-5.10.5.1.tar.xz";
-      sha256 = "03ih0dyyjljv40wl7mpbssfirkkljw8mnpjjhzk357lzadkplzvp";
-      name = "kscreenlocker-5.10.5.1.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kscreenlocker-5.11.1.tar.xz";
+      sha256 = "0jgq2w7zi1i4wdlfmfz1jh1kbkcn2lxkdg9ds5brisc3f6r4n3vg";
+      name = "kscreenlocker-5.11.1.tar.xz";
     };
   };
   ksshaskpass = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/ksshaskpass-5.10.5.tar.xz";
-      sha256 = "194ca18kclwmg7j9kcl02hm01cidy0hh2r68j6gxkafnlmn1cjjw";
-      name = "ksshaskpass-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/ksshaskpass-5.11.1.tar.xz";
+      sha256 = "00ghycjmagc8mjwsgny9bkr45ppnad6aay44ha6fn5gyx973xcmx";
+      name = "ksshaskpass-5.11.1.tar.xz";
     };
   };
   ksysguard = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/ksysguard-5.10.5.tar.xz";
-      sha256 = "0ywz0ax29y0gm7c3lxwdkn5xvzpkd82a313wb3cz4iphqqga3jqn";
-      name = "ksysguard-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/ksysguard-5.11.1.tar.xz";
+      sha256 = "11z29w95ji815gwaggs0n9bw8f040z4fd87ci2wmqcpyrjs7a6z1";
+      name = "ksysguard-5.11.1.tar.xz";
     };
   };
   kwallet-pam = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kwallet-pam-5.10.5.tar.xz";
-      sha256 = "0ws0835a0j3wqia85hcdsgfn48d71v96dmmvc2y5pp45ki648bn4";
-      name = "kwallet-pam-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kwallet-pam-5.11.1.tar.xz";
+      sha256 = "0zipldqjg3mazm2j7vrxkc0pqp7x7mmdq7cg1vlb1xlj8ld2vl7y";
+      name = "kwallet-pam-5.11.1.tar.xz";
     };
   };
   kwayland-integration = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kwayland-integration-5.10.5.tar.xz";
-      sha256 = "0s1yhrvjgn455ayi368fkmdpmpyxl97c2pxy8rchfnk3g1ffhmdy";
-      name = "kwayland-integration-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kwayland-integration-5.11.1.tar.xz";
+      sha256 = "1h1lcvzbcf628hs5hj3ykpzy086ylvf5bz63gr0clhyckjxrbbkh";
+      name = "kwayland-integration-5.11.1.tar.xz";
     };
   };
   kwin = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kwin-5.10.5.tar.xz";
-      sha256 = "1nxyn31a00r9kh0aw5fmvxklw21b2l07y267m0q0n9w6bmn6nzyc";
-      name = "kwin-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kwin-5.11.1.tar.xz";
+      sha256 = "1anc8pblpsb8g7lvnq43ji6fgpwxsnmypc3gkip26lb4j7gqfhqm";
+      name = "kwin-5.11.1.tar.xz";
     };
   };
   kwrited = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/kwrited-5.10.5.tar.xz";
-      sha256 = "0wphhb4l6qb7lbklgxh2sc6wgqij4n3iwnhaarv2d17864r7ykc9";
-      name = "kwrited-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/kwrited-5.11.1.tar.xz";
+      sha256 = "11y2dpjs0g01nah1924dzf39y1smzlswc6nx1cwgfky3raaz3cj0";
+      name = "kwrited-5.11.1.tar.xz";
     };
   };
   libkscreen = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/libkscreen-5.10.5.tar.xz";
-      sha256 = "0a2lrrp8wp7ndgdvnh48781isin868ndsqw0xr21rn78n90580n6";
-      name = "libkscreen-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/libkscreen-5.11.1.tar.xz";
+      sha256 = "0drv6f8gzilirwp7p31qrng7cdp7b23ar5v1d5bkdrr1q29z8wdv";
+      name = "libkscreen-5.11.1.tar.xz";
     };
   };
   libksysguard = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/libksysguard-5.10.5.tar.xz";
-      sha256 = "0ldcpjxy10cnwwc82ihy8xqjkavycrmv6wlbn0rwhnfs04n2rryn";
-      name = "libksysguard-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/libksysguard-5.11.1.tar.xz";
+      sha256 = "1m8514jv2487fbypxys65qb0a55psqvyzkw5l81ka4ydnrhl2hhm";
+      name = "libksysguard-5.11.1.tar.xz";
     };
   };
   milou = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/milou-5.10.5.tar.xz";
-      sha256 = "06kq9s9lij66vy5024aps03pzpcz1ixf0b79a7ii1px2h1s7z4gz";
-      name = "milou-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/milou-5.11.1.tar.xz";
+      sha256 = "1v7rbjw8i1pdvl60xh8s0srrp17jks360zk42rp3hq9srsffd8cp";
+      name = "milou-5.11.1.tar.xz";
     };
   };
   oxygen = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/oxygen-5.10.5.tar.xz";
-      sha256 = "0p1isrb8v0dkd27jnz6nbq44py7y3zzsjljn9xbv3d02vg802ym9";
-      name = "oxygen-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/oxygen-5.11.1.tar.xz";
+      sha256 = "0b3yl4q5cbcj6d07xrmifpvwysaa870gf56a7l38zjba6z04819z";
+      name = "oxygen-5.11.1.tar.xz";
     };
   };
   plasma-desktop = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/plasma-desktop-5.10.5.tar.xz";
-      sha256 = "1sxy2k2p15ag5pcy36lpn83nz8d1jb1iyq2nihf4yrc9jlxx9gqm";
-      name = "plasma-desktop-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/plasma-desktop-5.11.1.tar.xz";
+      sha256 = "1r7chviykyq2650k513qcp665pv8vpdczvbrvqfhbpn4yy47crps";
+      name = "plasma-desktop-5.11.1.tar.xz";
     };
   };
   plasma-integration = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/plasma-integration-5.10.5.tar.xz";
-      sha256 = "15cxwsdp78kx55py0wkwqpv4w8cf130hadmdvdw64lwr4gssvhjn";
-      name = "plasma-integration-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/plasma-integration-5.11.1.tar.xz";
+      sha256 = "0jpshilcpklyx7cbpn0cf96md2h6pwd86bk8lphzm64zv3c655ly";
+      name = "plasma-integration-5.11.1.tar.xz";
     };
   };
   plasma-nm = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/plasma-nm-5.10.5.tar.xz";
-      sha256 = "004nmkfy74qaba6hslv2cyb52l7q6ihpavi5j5ax8k66n5zx00bi";
-      name = "plasma-nm-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/plasma-nm-5.11.1.tar.xz";
+      sha256 = "0479cqy7503krish11djg7rc4g7kdlbj3gapsbgvlq9x6j7ixz1p";
+      name = "plasma-nm-5.11.1.tar.xz";
     };
   };
   plasma-pa = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/plasma-pa-5.10.5.tar.xz";
-      sha256 = "0300x3w7mhyb5wpsj47qsfm73fc90iw1vxrgzl9014pxc3h14np1";
-      name = "plasma-pa-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/plasma-pa-5.11.1.tar.xz";
+      sha256 = "0g565v4dwcn6jppn1p2dvljg5r39xmgjzgf8rcipw70kcwc1nx4c";
+      name = "plasma-pa-5.11.1.tar.xz";
     };
   };
   plasma-sdk = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/plasma-sdk-5.10.5.tar.xz";
-      sha256 = "0mjndw132rn46sqjw5jdin8hn6lbrx5955h05jawk95sncr3d0yb";
-      name = "plasma-sdk-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/plasma-sdk-5.11.1.tar.xz";
+      sha256 = "0ss148yig5zzprkk2ydq3np34gr0bnbh1gn18hgb5z33iglbdl3n";
+      name = "plasma-sdk-5.11.1.tar.xz";
     };
   };
   plasma-tests = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/plasma-tests-5.10.5.tar.xz";
-      sha256 = "0mfh35zdc4n52q01jbagxgr51hsvjlyfmnj6x4l2zpif0fpqpxh8";
-      name = "plasma-tests-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/plasma-tests-5.11.1.tar.xz";
+      sha256 = "03r5dczb9iqigg2s7h0k6zgb616358lqvl2h0k0bg2hxggnh8lpk";
+      name = "plasma-tests-5.11.1.tar.xz";
+    };
+  };
+  plasma-vault = {
+    version = "5.11.1";
+    src = fetchurl {
+      url = "${mirror}/stable/plasma/5.11.1/plasma-vault-5.11.1.tar.xz";
+      sha256 = "09wbjk0bsbjyh5n1d5gywdvaimajqr50sd23dbfdbnpi3br0gk10";
+      name = "plasma-vault-5.11.1.tar.xz";
     };
   };
   plasma-workspace = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/plasma-workspace-5.10.5.tar.xz";
-      sha256 = "1n12vzjnrhndkzki7dh9kzrwrvll5xqq0y02srb9bg3gyjbp54jl";
-      name = "plasma-workspace-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/plasma-workspace-5.11.1.tar.xz";
+      sha256 = "1fy4bdxrz8mn29nc2qjxjnpxzjy9mynwwdjxj0jr61w0ljd40wiy";
+      name = "plasma-workspace-5.11.1.tar.xz";
     };
   };
   plasma-workspace-wallpapers = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/plasma-workspace-wallpapers-5.10.5.tar.xz";
-      sha256 = "1z7mqk9nxh232dxl5jg20zbc5nkq5srks4f8b02va6wzfjhwhc88";
-      name = "plasma-workspace-wallpapers-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/plasma-workspace-wallpapers-5.11.1.tar.xz";
+      sha256 = "0dcfrad2543fxapizmlikv52m9nmdg45gddvh9chc83kangsydlc";
+      name = "plasma-workspace-wallpapers-5.11.1.tar.xz";
     };
   };
   plymouth-kcm = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/plymouth-kcm-5.10.5.tar.xz";
-      sha256 = "11vfaaqd3mxbnq16rv7xsmfcj33i2cmdljdxib1sg5minybd072y";
-      name = "plymouth-kcm-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/plymouth-kcm-5.11.1.tar.xz";
+      sha256 = "0w3yhazbx79s9k1yc3lj16hanc3wrqphhk9zjl9q1vxsn2rzas8h";
+      name = "plymouth-kcm-5.11.1.tar.xz";
     };
   };
   polkit-kde-agent = {
-    version = "1-5.10.5";
+    version = "1-5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/polkit-kde-agent-1-5.10.5.tar.xz";
-      sha256 = "158lkf76fz65nr0lx14skkcsk2p3xw98nh43z00wvm2c5qqzmnp2";
-      name = "polkit-kde-agent-1-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/polkit-kde-agent-1-5.11.1.tar.xz";
+      sha256 = "04ycjqx9hnk3ab8qxk5gqz7b4r7im3bwap613qcgxjqr5cagp66w";
+      name = "polkit-kde-agent-1-5.11.1.tar.xz";
     };
   };
   powerdevil = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/powerdevil-5.10.5.tar.xz";
-      sha256 = "0dghlgva8fybvhc09y1avzhgak246n4ad2njjvfnxpazpi2laxv7";
-      name = "powerdevil-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/powerdevil-5.11.1.tar.xz";
+      sha256 = "02rf8iz2spcc78xs88dknl6a7slwgfgh4ra8lhwk69d210cxgahq";
+      name = "powerdevil-5.11.1.tar.xz";
     };
   };
   sddm-kcm = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/sddm-kcm-5.10.5.tar.xz";
-      sha256 = "13hld5bndxhs6j3lja08zrc6czvpl4k385i8lb3g9zvn9vrk29sw";
-      name = "sddm-kcm-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/sddm-kcm-5.11.1.tar.xz";
+      sha256 = "0sac2cknq7m26v8a59q1aakn6xjzmspnslfs6k633a8yz8w4lh19";
+      name = "sddm-kcm-5.11.1.tar.xz";
     };
   };
   systemsettings = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/systemsettings-5.10.5.tar.xz";
-      sha256 = "0b3wpmfjj2zmi7ickppz32i63dpn4jja3nnjrxn912yw47z4bri2";
-      name = "systemsettings-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/systemsettings-5.11.1.tar.xz";
+      sha256 = "0bnygmb3g573b7a8g0qg3ddj65miw29v3p25sh0ic9ij5bx6f4rw";
+      name = "systemsettings-5.11.1.tar.xz";
     };
   };
   user-manager = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/user-manager-5.10.5.tar.xz";
-      sha256 = "1fiih72jafshxgwfq4q9csv1i62mgj35qr87lh6lyady6aghajnq";
-      name = "user-manager-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/user-manager-5.11.1.tar.xz";
+      sha256 = "1iz5wm8d3ljn97msbh1bc7v8zmmgxrfr5mwfzh0ssdldba4wqlpm";
+      name = "user-manager-5.11.1.tar.xz";
     };
   };
   xdg-desktop-portal-kde = {
-    version = "5.10.5";
+    version = "5.11.1";
     src = fetchurl {
-      url = "${mirror}/stable/plasma/5.10.5/xdg-desktop-portal-kde-5.10.5.tar.xz";
-      sha256 = "0rgv4nqkrwjzvhg8cmkin348n0i6sd4v444bk6j83y4m0lxdi1ba";
-      name = "xdg-desktop-portal-kde-5.10.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.11.1/xdg-desktop-portal-kde-5.11.1.tar.xz";
+      sha256 = "0w822jlg0h7qim70zamm7q5x2b614qmiggz9wr8yxq80lajizxnf";
+      name = "xdg-desktop-portal-kde-5.11.1.tar.xz";
     };
   };
 }
diff --git a/pkgs/desktops/plasma-5/systemsettings.nix b/pkgs/desktops/plasma-5/systemsettings.nix
index a24eabc39f31..954a8f9f45ba 100644
--- a/pkgs/desktops/plasma-5/systemsettings.nix
+++ b/pkgs/desktops/plasma-5/systemsettings.nix
@@ -1,7 +1,8 @@
 {
   mkDerivation, extra-cmake-modules, kdoctools,
   kcmutils, kconfig, kdbusaddons, khtml, ki18n, kiconthemes, kio, kitemviews,
-  kservice, kwindowsystem, kxmlgui, qtquickcontrols, qtquickcontrols2
+  kservice, kwindowsystem, kxmlgui, qtquickcontrols, qtquickcontrols2,
+  kactivities, kactivities-stats, kirigami2
 }:
 
 mkDerivation {
@@ -10,6 +11,7 @@ mkDerivation {
   buildInputs = [
     kcmutils kconfig kdbusaddons khtml ki18n kiconthemes kio kitemviews kservice
     kwindowsystem kxmlgui qtquickcontrols qtquickcontrols2
+    kactivities kactivities-stats kirigami2
   ];
   outputs = [ "out" "dev" "bin" ];
 }
diff --git a/pkgs/development/libraries/grantlee/5/default.nix b/pkgs/development/libraries/grantlee/5/default.nix
index 6fae90a8d890..3eed4f0c2e29 100644
--- a/pkgs/development/libraries/grantlee/5/default.nix
+++ b/pkgs/development/libraries/grantlee/5/default.nix
@@ -21,8 +21,12 @@ mkDerivation rec {
   postFixup =
     # Disabuse CMake of the notion that libraries are in $dev
     ''
-      sed -i $dev/lib/cmake/Grantlee5/GrantleeTargets-release.cmake \
-          -e "s|\''${_IMPORT_PREFIX}|$out|"
+      for way in release debug; do
+          cmake="$dev/lib/cmake/Grantlee5/GrantleeTargets-$way.cmake"
+          if [ -f "$cmake" ]; then
+              sed -i "$cmake" -e "s|\''${_IMPORT_PREFIX}|$out|"
+          fi
+      done
     '';
 
   setupHook = ./setup-hook.sh;
diff --git a/pkgs/development/libraries/kde-frameworks/default.nix b/pkgs/development/libraries/kde-frameworks/default.nix
index d5995459fd4f..de99503131c1 100644
--- a/pkgs/development/libraries/kde-frameworks/default.nix
+++ b/pkgs/development/libraries/kde-frameworks/default.nix
@@ -132,6 +132,7 @@ let
       sonnet = callPackage ./sonnet.nix {};
       syntax-highlighting = callPackage ./syntax-highlighting.nix {};
       threadweaver = callPackage ./threadweaver.nix {};
+      kirigami2 = callPackage ./kirigami2.nix {};
 
     # TIER 2
       kactivities = callPackage ./kactivities.nix {};
diff --git a/pkgs/development/libraries/kde-frameworks/kirigami2.nix b/pkgs/development/libraries/kde-frameworks/kirigami2.nix
new file mode 100644
index 000000000000..f4fc40f6d31d
--- /dev/null
+++ b/pkgs/development/libraries/kde-frameworks/kirigami2.nix
@@ -0,0 +1,11 @@
+{ mkDerivation, extra-cmake-modules, qtbase, qtquickcontrols2, qttranslations }:
+
+mkDerivation {
+  name = "kirigami2";
+  meta = {
+    broken = builtins.compareVersions qtbase.version "5.7.0" < 0;
+  };
+  nativeBuildInputs = [ extra-cmake-modules ];
+  buildInputs = [ qtbase qtquickcontrols2 qttranslations ];
+  outputs = [ "out" "dev" ];
+}
diff --git a/pkgs/development/libraries/qt-5/5.9/qtbase/default.nix b/pkgs/development/libraries/qt-5/5.9/qtbase/default.nix
index fc5e5d39c63c..ce3f6d157130 100644
--- a/pkgs/development/libraries/qt-5/5.9/qtbase/default.nix
+++ b/pkgs/development/libraries/qt-5/5.9/qtbase/default.nix
@@ -252,6 +252,9 @@ stdenv.mkDerivation {
       "-inotify"
       "-system-libjpeg"
       "-system-libpng"
+      # gold linker of binutils 2.28 generates duplicate symbols
+      # TODO: remove for newer version of binutils 
+      "-no-use-gold-linker"
     ]
 
     ++ lib.optionals stdenv.isDarwin [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f9a904120af7..2efb3cef2ae1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10316,7 +10316,7 @@ with pkgs;
       kservice ktexteditor ktextwidgets kunitconversion kwallet kwayland
       kwidgetsaddons kwindowsystem kxmlgui kxmlrpcclient modemmanager-qt
       networkmanager-qt plasma-framework prison solid sonnet syntax-highlighting
-      threadweaver;
+      threadweaver kirigami2;
 
     ### KDE PLASMA 5
 
@@ -18259,7 +18259,7 @@ with pkgs;
     kactivitymanagerd kde-cli-tools kde-gtk-config kdeplasma-addons kgamma5
     kinfocenter kmenuedit kscreen kscreenlocker ksshaskpass ksysguard
     kwallet-pam kwayland-integration kwin kwrited milou oxygen plasma-desktop
-    plasma-integration plasma-nm plasma-pa plasma-workspace
+    plasma-integration plasma-nm plasma-pa plasma-vault plasma-workspace
     plasma-workspace-wallpapers polkit-kde-agent powerdevil sddm-kcm startkde
     systemsettings;