diff --git a/pkgs/by-name/mi/miracle-wm/package.nix b/pkgs/by-name/mi/miracle-wm/package.nix
index f3428589e621..46f672a3e11f 100644
--- a/pkgs/by-name/mi/miracle-wm/package.nix
+++ b/pkgs/by-name/mi/miracle-wm/package.nix
@@ -2,7 +2,7 @@
   stdenv,
   lib,
   fetchFromGitHub,
-  gitUpdater,
+  unstableGitUpdater,
   nixosTests,
   boost,
   cmake,
@@ -31,20 +31,19 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "miracle-wm";
-  version = "0.6.2";
+  version = "0.6.2-unstable-2025-08-27";
 
   src = fetchFromGitHub {
     owner = "miracle-wm-org";
     repo = "miracle-wm";
-    tag = "v${finalAttrs.version}";
-    hash = "sha256-zUqW21gZC7J/E0cld11N6OyclpgKCh4F7m/soBi3N1E=";
+    rev = "0a55a023adf511b042f922aeba666744805be988";
+    hash = "sha256-yf7knY1tNFeCwePsfTAMAxIma+ZeZUvqpMJe7ABahEw=";
   };
 
   postPatch = ''
     substituteInPlace CMakeLists.txt \
       --replace-fail 'DESTINATION /usr/lib' 'DESTINATION ''${CMAKE_INSTALL_LIBDIR}' \
       --replace-fail '-march=native' '# -march=native' \
-      --replace-fail '-flto' '# -flto'
   ''
   + lib.optionalString (!finalAttrs.finalPackage.doCheck) ''
     substituteInPlace CMakeLists.txt \
@@ -89,7 +88,9 @@ stdenv.mkDerivation (finalAttrs: {
   checkInputs = [ gtest ];
 
   cmakeFlags = [
+    (lib.cmakeBool "ENABLE_LTO" true)
     (lib.cmakeBool "SYSTEMD_INTEGRATION" true)
+    (lib.cmakeBool "END_TO_END_TESTS" finalAttrs.finalPackage.doCheck)
   ];
 
   doCheck = stdenv.buildPlatform.canExecute stdenv.hostPlatform;
@@ -97,6 +98,8 @@ stdenv.mkDerivation (finalAttrs: {
   checkPhase = ''
     runHook preCheck
 
+    export XDG_RUNTIME_DIR=$TMP
+
     ./tests/miracle-wm-tests
 
     runHook postCheck
@@ -115,7 +118,7 @@ stdenv.mkDerivation (finalAttrs: {
   '';
 
   passthru = {
-    updateScript = gitUpdater { rev-prefix = "v"; };
+    updateScript = unstableGitUpdater { tagPrefix = "v"; };
     providedSessions = [ "miracle-wm" ];
     tests.vm = nixosTests.miracle-wm;
   };
diff --git a/pkgs/by-name/wl/wlcs/package.nix b/pkgs/by-name/wl/wlcs/package.nix
index 6a81ca9b25e2..4420c05405d0 100644
--- a/pkgs/by-name/wl/wlcs/package.nix
+++ b/pkgs/by-name/wl/wlcs/package.nix
@@ -3,7 +3,6 @@
   lib,
   gitUpdater,
   fetchFromGitHub,
-  fetchpatch,
   testers,
   cmake,
   pkg-config,
@@ -15,24 +14,15 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "wlcs";
-  version = "1.7.0";
+  version = "1.8.1";
 
   src = fetchFromGitHub {
     owner = "MirServer";
     repo = "wlcs";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-BQPRymkbGu4YvTYXTaTMuyP5fHpqMWI4xPwjDRHZNEQ=";
+    hash = "sha256-W4/a7neFcaqdPIAWDk5TcIuIWZ76rC7xCk3beJVqE/E=";
   };
 
-  patches = [
-    # Remove when version > 1.7.0
-    (fetchpatch {
-      name = "0001-wlcs-Fix-GCC14-compat.patch";
-      url = "https://github.com/canonical/wlcs/commit/5c812e560052e2cbff4c6d26439935020ddee52f.patch";
-      hash = "sha256-8YrVKhgpTYZi8n4dZ4pRWJoAcZtr9eaFMv0NNV7/kWU=";
-    })
-  ];
-
   strictDeps = true;
 
   nativeBuildInputs = [
diff --git a/pkgs/servers/mir/common.nix b/pkgs/servers/mir/common.nix
index 6580ff023991..ce14d98b2c8d 100644
--- a/pkgs/servers/mir/common.nix
+++ b/pkgs/servers/mir/common.nix
@@ -13,6 +13,7 @@
   glib,
   glm,
   libapparmor,
+  libdisplay-info,
   libdrm,
   libepoxy,
   libevdev,
@@ -25,6 +26,7 @@
   yaml-cpp,
   lttng-ust,
   libgbm,
+  mesa,
   nettle,
   pixman,
   udev,
@@ -136,11 +138,17 @@ stdenv.mkDerivation (finalAttrs: {
   ]
   ++ lib.optionals (lib.strings.versionAtLeast version "2.21.0") [
     pixman
+  ]
+  ++ lib.optionals (lib.strings.versionAtLeast version "2.22.0") [
+    libdisplay-info
   ];
 
   nativeCheckInputs = [
     dbus
     gobject-introspection
+  ]
+  ++ lib.optionals (lib.strings.versionAtLeast version "2.22.0") [
+    mesa.llvmpipeHook
   ];
 
   checkInputs = [
@@ -153,9 +161,10 @@ stdenv.mkDerivation (finalAttrs: {
     (lib.cmakeBool "BUILD_DOXYGEN" false)
     (lib.cmakeFeature "MIR_PLATFORM" (
       lib.strings.concatStringsSep ";" [
+        "atomic-kms"
         "gbm-kms"
-        "x11"
         "eglstream-kms"
+        "x11"
         "wayland"
       ]
     ))
@@ -164,10 +173,12 @@ stdenv.mkDerivation (finalAttrs: {
     # https://github.com/canonical/mir/pull/1947#issuecomment-811810872
     (lib.cmakeBool "MIR_SIGBUS_HANDLER_ENVIRONMENT_BROKEN" true)
     (lib.cmakeFeature "MIR_EXCLUDE_TESTS" (
-      lib.strings.concatStringsSep ";" [
-        # https://github.com/canonical/mir/issues/3716#issuecomment-2580698552
-        "UdevWrapperTest.UdevMonitorDoesNotTriggerBeforeEnabling"
-      ]
+      lib.strings.concatStringsSep ";" (
+        lib.optionals (lib.strings.versionOlder version "2.22.0") [
+          # https://github.com/canonical/mir/issues/3716#issuecomment-2580698552
+          "UdevWrapperTest.UdevMonitorDoesNotTriggerBeforeEnabling"
+        ]
+      )
     ))
     # These get built but don't get executed by default, yet they get installed when tests are enabled
     (lib.cmakeBool "MIR_BUILD_PERFORMANCE_TESTS" false)
@@ -176,16 +187,19 @@ stdenv.mkDerivation (finalAttrs: {
     # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106799
     (lib.cmakeBool "MIR_USE_PRECOMPILED_HEADERS" false)
     (lib.cmakeFeature "MIR_COMPILER_QUIRKS" (
-      lib.strings.concatStringsSep ";" [
-        # https://github.com/canonical/mir/issues/3017 actually affects x86_64 as well
-        "test_touchspot_controller.cpp:array-bounds"
-      ]
+      lib.strings.concatStringsSep ";" (
+        lib.optionals (lib.strings.versionOlder version "2.22.0") [
+          # https://github.com/canonical/mir/issues/3017 actually affects x86_64 as well
+          "test_touchspot_controller.cpp:array-bounds"
+        ]
+      )
     ))
   ];
 
   doCheck = stdenv.buildPlatform.canExecute stdenv.hostPlatform;
 
   preCheck = ''
+    export HOME=$TMP # shader cache
     export XDG_RUNTIME_DIR=$TMP
   '';
 
diff --git a/pkgs/servers/mir/default.nix b/pkgs/servers/mir/default.nix
index 0012c260114b..ef46416f1d7f 100644
--- a/pkgs/servers/mir/default.nix
+++ b/pkgs/servers/mir/default.nix
@@ -5,15 +5,8 @@ let
 in
 {
   mir = common {
-    version = "2.21.1";
-    hash = "sha256-FDZ40LiuvMuyWQQGjgOHTm+J3i7yczKMzL3dZ1jsz/E=";
-    patches = [
-      (fetchpatch {
-        name = "0001-Fix-gtest-nodiscard-error.patch";
-        url = "https://github.com/canonical/mir/commit/60dab2b197deb159087e44865e7314ad2865b79d.patch";
-        hash = "sha256-fB49E+Wjm2zJnie9Ws+tP0d6lxcG3V/C/UDfy/4iuFU=";
-      })
-    ];
+    version = "2.22.0";
+    hash = "sha256-46FxyS4Anm1id63GUUCzn9ubTQIvs1+HrXKgZki6fQw=";
   };
 
   mir_2_15 = common {
@@ -44,6 +37,24 @@ in
         hash = "sha256-QuVZBcHSn/DK+xbjM36Y89+w22vk7NRV4MkbjgvS28A=";
       })
 
+      # Exclude known-flaky tests
+      # Remove when version > 2.15.0
+      (fetchpatch {
+        name = "0004-mir-exclude-tests-surfaces_with_exclusive_zone_set_to_negative_one_do_not_respect_other_exclusive_zones-1.patch";
+        url = "https://github.com/canonical/mir/commit/967d872daab50d845adce389c0672edfd18b90c9.patch";
+        hash = "sha256-XfTWQj+fmPpC1hIqt7ELGU6Yq2wJSO+FQ8bsikI5h0I=";
+      })
+      (fetchpatch {
+        name = "0005-mir-exclude-tests-surfaces_with_exclusive_zone_set_to_negative_one_do_not_respect_other_exclusive_zones-2.patch";
+        url = "https://github.com/canonical/mir/commit/932d8744852bca9830668018474890bce0c5f6d6.patch";
+        hash = "sha256-+udEt6pF5VLSBtRgo9r1YdVsinARWLAL4AeEG01DV68=";
+      })
+      (fetchpatch {
+        name = "0006-mir-exclude-tests-surfaces_with_exclusive_zone_set_to_negative_one_do_not_respect_other_exclusive_zones-3.patch";
+        url = "https://github.com/canonical/mir/commit/fbad5e50be02992f6cf1f41f928950532f3f62c5.patch";
+        hash = "sha256-J0YEhXf8sAWEHHxU7QKSJjOoHiXsYqotBfgGm79X6GA=";
+      })
+
       # Fix ignored return value of std::lock_guard
       # Remove when version > 2.15.0
       # Was changed as part of the big platform API change, no individual upstream commit with this fix