diff --git a/IDMETA b/IDMETA
index 9bb1a5b1..3c2e56a7 100644
--- a/IDMETA
+++ b/IDMETA
@@ -1,4 +1,6 @@
 DEBIAN_DIST="bullseye bookworm trixie"
-UBUNTU_DIST="jammy noble"
-CENTOS_DIST="centos7 centos8 centos9 centos10"
-VERSION=1.22.3
+UBUNTU_DIST="jammy noble resolute"
+CENTOS_DIST="centos9 centos10"
+ARCH_ubuntu_resolute="amd64 arm64"
+ARCH_debian_trixie="amd64 arm64"
+VERSION=1.22.4
diff --git a/NEWS b/NEWS
index b0014d8b..783db8e3 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,9 @@
+--- 1.22.4 2026/05/21
+
+Update CSS for documentation.
+
+Make packages for Ubuntu 26.04 LTS (Resolute Raccoon).
+
 --- 1.22.3 2026/01/28
 
 Debian: systemd service for metaproxy
diff --git a/doc/common b/doc/common
index 9fb378eb..34b6301d 160000
--- a/doc/common
+++ b/doc/common
@@ -1 +1 @@
-Subproject commit 9fb378eb77b7bb5004580afcb2830671d68dbf8a
+Subproject commit 34b6301de5e648bf5444d0f27bbaeaa254bded71
diff --git a/m4 b/m4
index aa2a16fe..7d0de47b 160000
--- a/m4
+++ b/m4
@@ -1 +1 @@
-Subproject commit aa2a16fefaf06f6f7c343ea85c7aabd5310ca826
+Subproject commit 7d0de47b22739b4c13272604c60d3152b9cb55a2
diff --git a/win/makefile b/win/makefile
index 7775f879..19f7cff8 100644
--- a/win/makefile
+++ b/win/makefile
@@ -8,7 +8,7 @@
 DEBUG=0   # 0 for release, 1 for debug
 
 # Metaproxy version
-VERSION=1.22.2
+VERSION=1.22.4
 
 # YAZ and YAZ++ directories
 YAZ_DIR=..\..\yaz