diff --git a/pkgs/applications/audio/mousai/default.nix b/pkgs/applications/audio/mousai/default.nix
index 687546624b0a..2f45a3fea92f 100644
--- a/pkgs/applications/audio/mousai/default.nix
+++ b/pkgs/applications/audio/mousai/default.nix
@@ -1,6 +1,7 @@
 { lib
 , python3
 , fetchFromGitHub
+, fetchpatch
 , appstream-glib
 , desktop-file-utils
 , gettext
@@ -29,6 +30,14 @@ python3.pkgs.buildPythonApplication rec {
     sha256 = "sha256-AfR5n1dIm9X5OoPiikQEhHBFQq0rmQH4h7cCJ2yXoXI=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "fix-ABI-breakage-from-libadwaita.patch";
+      url = "https://github.com/SeaDve/Mousai/commit/e3db2d9d1949300f49399209b56d667746e539df.patch";
+      sha256 = "078kvmyhw4jd1m2npai0yl00lwh47jys2n03pkgxp6jf873y83vs";
+    })
+  ];
+
   postPatch = ''
     patchShebangs build-aux/meson
   '';
diff --git a/pkgs/applications/misc/authenticator/default.nix b/pkgs/applications/misc/authenticator/default.nix
index 46b61720d0a3..ffa34d041e9c 100644
--- a/pkgs/applications/misc/authenticator/default.nix
+++ b/pkgs/applications/misc/authenticator/default.nix
@@ -91,6 +91,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with lib; {
+    broken = true; # https://gitlab.gnome.org/World/Authenticator/-/issues/271
     description = "Two-factor authentication code generator for GNOME";
     homepage = "https://gitlab.gnome.org/World/Authenticator";
     license = licenses.gpl3Plus;
diff --git a/pkgs/development/libraries/libadwaita/default.nix b/pkgs/development/libraries/libadwaita/default.nix
index f3b9cad0720b..d6cffcab7fed 100644
--- a/pkgs/development/libraries/libadwaita/default.nix
+++ b/pkgs/development/libraries/libadwaita/default.nix
@@ -2,35 +2,40 @@
 , stdenv
 , fetchFromGitLab
 , docbook-xsl-nons
+, gi-docgen
 , gtk-doc
+, libxml2
 , meson
 , ninja
 , pkg-config
 , sassc
 , vala
 , gobject-introspection
+, fribidi
 , gtk4
 , xvfb-run
 }:
 
 stdenv.mkDerivation rec {
   pname = "libadwaita";
-  version = "unstable-2021-05-01";
+  version = "1.0.0-alpha.1";
 
   outputs = [ "out" "dev" "devdoc" ];
-  outputBin = "dev";
+  outputBin = "devdoc"; # demo app
 
   src = fetchFromGitLab {
     domain = "gitlab.gnome.org";
     owner = "GNOME";
     repo = "libadwaita";
-    rev = "8d66b987a19979d9d7b85dacc6bad5ce0c8743fe";
-    sha256 = "0i3wav6jsyi4w4i2r1rad769m5y5s9djj4zqb7dfyh0bad24ba3q";
+    rev = version;
+    sha256 = "1v52md62kaqykv8b6kxxbxwnbdzlda4ir7n5wh2iizadcailyw7p";
   };
 
   nativeBuildInputs = [
     docbook-xsl-nons
+    gi-docgen
     gtk-doc
+    libxml2 # for xmllint
     meson
     ninja
     pkg-config
@@ -43,6 +48,7 @@ stdenv.mkDerivation rec {
   ];
 
   buildInputs = [
+    fribidi
     gobject-introspection
     gtk4
   ];
@@ -57,6 +63,10 @@ stdenv.mkDerivation rec {
     xvfb-run meson test
   '';
 
+  postInstall = ''
+    mv $out/share/{doc,gtk-doc}
+  '';
+
   meta = with lib; {
     description = "Library to help with developing UI for mobile devices using GTK/GNOME";
     homepage = "https://gitlab.gnome.org/GNOME/libadwaita";