diff --git a/.github/workflows/pull-request-version.yml b/.github/workflows/pull-request-version.yml
index 2d2df4e..7ae8b57 100644
--- a/.github/workflows/pull-request-version.yml
+++ b/.github/workflows/pull-request-version.yml
@@ -1,4 +1,4 @@
-name: "Check plugin version and tags"
+name: "Check plugin version and release files"
 on:
   pull_request:
     branches:
@@ -6,33 +6,19 @@ on:
 
 jobs:
   version-check:
-    name: "Check version doesn't not already exists."
+    name: "Version bump, tag, and file checks"
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      - id: set-vars
-        name: "Set variables from .plugin-data file"
-        run: |
-          # Get all data from .plugin-data file
-          content=`cat ./.plugin-data`
-          # the following lines are only required for multi line json
-          content="${content//'%'/'%25'}"
-          content="${content//$'\n'/'%0A'}"
-          content="${content//$'\r'/'%0D'}"
-          # end of optional handling for multi line json
-          echo "::set-output name=pluginData::$content"
+      - name: Fetch tags
+        run: git fetch --tags --prune origin
 
-      - id: version-check
-        name: "Check version in .plugin-data is not existing"
-        run: |
-          # Check version from .plugin-data
-          VERSION=${{fromJson(steps.set-vars.outputs.pluginData).version}}
-
-          if git rev-parse "$VERSION" >/dev/null 2>&1; then
-            echo "Tag aleady exists please update the .plugin-data file to good version";
-            exit 1;
-          fi
+      - name: Verify version bump and release files
+        env:
+          BASE_SHA: ${{ github.event.pull_request.base.sha }}
+          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
+        run: tests/bin/check-release-version.sh
diff --git a/.github/workflows/quality-js.yml b/.github/workflows/quality-js.yml
index 798f4f2..16fdf38 100644
--- a/.github/workflows/quality-js.yml
+++ b/.github/workflows/quality-js.yml
@@ -2,8 +2,15 @@ name: Javascript Quality Checks
 
 on:
   pull_request:
-    paths:
-      - 'src/**'
+      paths:
+          - 'src/**'
+          - 'package.json'
+  push:
+      paths:
+          - 'src/**'
+          - 'package.json'
+      branches:
+      - main
 
 # Cancels all previous workflow runs for pull requests that have not completed.
 concurrency:
diff --git a/.github/workflows/quality-php.yml b/.github/workflows/quality-php.yml
index ed79cdc..2100ba7 100644
--- a/.github/workflows/quality-php.yml
+++ b/.github/workflows/quality-php.yml
@@ -1,9 +1,10 @@
-name: Quality PHP
+name: PHP Quality Checks
 
 on:
   pull_request:
-    paths:
-      - '**.php'
+  push:
+    branches:
+      - main
 
 # Cancels all previous workflow runs for pull requests that have not completed.
 concurrency:
@@ -13,9 +14,10 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  build:
+  checks:
+    name: Lint PHP
     runs-on: ubuntu-latest
-    name: PHP quality
+
     steps:
       - name: Checkout project
         uses: actions/checkout@v3
@@ -24,7 +26,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: 8.1
-          extensions: mbstring, intl #optional, setup extensions
+          extensions: mbstring, intl
 
       - name: Setup Composer
         run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f058c20..489ffd9 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -38,14 +38,6 @@ jobs:
             exit 1;
           fi
 
-      - id: build-node
-        name: "Build project CSS and JS"
-        uses: actions/setup-node@v4
-        with:
-          node-version-file: 'package.json'
-      - run: npm install
-      - run: npm run build
-
       - id: build-php
         name: "Build project PHP"
         uses: shivammathur/setup-php@v2
@@ -53,6 +45,21 @@ jobs:
           php-version: 8.1
       - run: composer install --prefer-dist --no-dev -o --ignore-platform-reqs
 
+      - id: setup-node
+        name: "Setup Node.js"
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: 'package.json'
+          cache: 'npm'
+
+      - id: build-js
+        name: "Build JavaScript assets"
+        run: |
+          echo "Install npm dependencies"
+          npm ci
+          echo "Build assets"
+          npm run build
+
       - id: commit-and-push
         name: "Commit and push new TAG"
         run: |
diff --git a/.plugin-data b/.plugin-data
index 9425050..91edf44 100644
--- a/.plugin-data
+++ b/.plugin-data
@@ -1,4 +1,4 @@
 {
-	"version": "1.1.0",
+	"version": "1.1.1",
 	"slug": "blockparty-icons"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 106e882..4756984 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ This plugin **doesn't run any sanitization on SVGs** before using them. Only use
 
 ## Changelog
 
+### 1.1.1 - 2026-08-26
+
+- Fix deprecated warning for nullable string parameters in `CollectionItem`
+- Align GitHub workflows with other blockparty repos and add release version consistency checks
+
 ### 1.1.0 - 2026-08-14
 
 - Add WP-CLI command to convert `beapi/icon-block` / `beapi/icon-item` old contents to `blockparty/icon`
diff --git a/blockparty-icons.php b/blockparty-icons.php
index 5ac3209..c294308 100644
--- a/blockparty-icons.php
+++ b/blockparty-icons.php
@@ -4,7 +4,7 @@
  * Description:       Provides blocks in WordPress editor to add custom SVG icons.
  * Requires at least: 6.2
  * Requires PHP:      8.1
- * Version:           1.1.0
+ * Version:           1.1.1
  * Author:            Be API Technical Team
  * Author URI:        https://beapi.fr
  * License:           GPL-2.0-or-later
@@ -30,7 +30,7 @@
 	include_once __DIR__ . '/vendor/autoload.php';
 }
 
-define( 'BLOCKPARTY_ICONS_VERSION', '1.1.0' );
+define( 'BLOCKPARTY_ICONS_VERSION', '1.1.1' );
 define( 'BLOCKPARTY_ICONS_URL', plugin_dir_url( __FILE__ ) );
 define( 'BLOCKPARTY_ICONS_DIR', plugin_dir_path( __FILE__ ) );
 define( 'BLOCKPARTY_ICONS_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
diff --git a/includes/Icon/CollectionItem.php b/includes/Icon/CollectionItem.php
index 0914ece..f2c716f 100644
--- a/includes/Icon/CollectionItem.php
+++ b/includes/Icon/CollectionItem.php
@@ -4,13 +4,13 @@
 
 class CollectionItem {
 
-	private $name;
-	private $label;
-	private $type;
-	private $version;
-	private $content;
+	private string $name;
+	private ?string $label;
+	private string $type;
+	private ?string $version;
+	private string $content;
 
-	public function __construct( string $name, string $type, string $content, string $label = null, string $version = null ) {
+	public function __construct( string $name, string $type, string $content, ?string $label = null, ?string $version = null ) {
 		$this->name    = $name;
 		$this->type    = $type;
 		$this->content = $content;
diff --git a/package-lock.json b/package-lock.json
index 0ca9864..aa22b2a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "blockparty-icons",
-	"version": "1.0.8",
+	"version": "1.1.1",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "blockparty-icons",
-			"version": "1.0.8",
+			"version": "1.1.1",
 			"license": "GPL-2.0-or-later",
 			"dependencies": {
 				"@beapi/icons": "^1.2.5",
diff --git a/package.json b/package.json
index 60d0c3f..0c18322 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "blockparty-icons",
-	"version": "1.1.0",
+	"version": "1.1.1",
 	"description": "Provides blocks in WordPress editor to add custom SVG icons from your theme.",
 	"author": "Be API Technical team",
 	"license": "GPL-2.0-or-later",
diff --git a/readme.txt b/readme.txt
index 12b6c02..3c5ef0a 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Tags:              block, icons, svg, gutenberg, editor
 Requires at least: 6.2
 Tested up to:      6.8
 Requires PHP:      8.1
-Stable tag:        1.1.0
+Stable tag:        1.1.1
 License:           GPL-2.0-or-later
 License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 
@@ -36,6 +36,10 @@ Yes. Register a collection with `type` set to `folder` and `source` pointing to
 
 == Changelog ==
 
+= 1.1.1 =
+* Fix deprecated warning for nullable string parameters in `CollectionItem`.
+* Align GitHub workflows with other blockparty repos and add release version consistency checks.
+
 = 1.1.0 =
 * Add WP-CLI command to convert `beapi/icon-block` / `beapi/icon-item` old content to `blockparty/icon`.
 
diff --git a/src/block.json b/src/block.json
index 37a95d2..ffd022b 100644
--- a/src/block.json
+++ b/src/block.json
@@ -2,7 +2,7 @@
 	"$schema": "https://schemas.wp.org/trunk/block.json",
 	"apiVersion": 3,
 	"name": "blockparty/icon",
-	"version": "1.1.0",
+	"version": "1.1.1",
 	"title": "Icon",
 	"category": "widgets",
 	"description": "Easily add custom vector icon to your content.",
diff --git a/tests/bin/check-release-version.sh b/tests/bin/check-release-version.sh
new file mode 100755
index 0000000..7585107
--- /dev/null
+++ b/tests/bin/check-release-version.sh
@@ -0,0 +1,139 @@
+#!/usr/bin/env bash
+#
+# When .plugin-data version changes between base and head commits, verify
+# the release tag is unused and that every versioned file is updated consistently.
+#
+# Usage (from repository root):
+#   ./tests/bin/check-release-version.sh
+#     (default: merge-base of main|origin/main|master with HEAD → HEAD, for local runs)
+#   BASE_SHA=<base> HEAD_SHA=<head> ./tests/bin/check-release-version.sh
+#   ./tests/bin/check-release-version.sh <base_sha> <head_sha>
+#
+# GitHub Actions sets BASE_SHA and HEAD_SHA on the pull request; arguments override env.
+#
+
+set -euo pipefail
+
+SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+ROOT=$(cd "$SCRIPT_DIR/../.." && pwd)
+cd "$ROOT"
+
+if [ $# -ge 2 ]; then
+	BASE_SHA=$1
+	HEAD_SHA=$2
+fi
+
+if [ -z "${BASE_SHA:-}" ] || [ -z "${HEAD_SHA:-}" ]; then
+	if [ $# -eq 0 ] && git -C "$ROOT" rev-parse --is-inside-work-tree >/dev/null 2>&1; then
+		HEAD_SHA=$(git -C "$ROOT" rev-parse HEAD)
+		base_ref=
+		for r in main origin/main master origin/master; do
+			if git -C "$ROOT" rev-parse -q --verify "$r" >/dev/null 2>&1; then
+				base_ref=$r
+				break
+			fi
+		done
+		if [ -n "$base_ref" ] && MB=$(git -C "$ROOT" merge-base "$base_ref" HEAD 2>/dev/null); then
+			BASE_SHA=$MB
+			echo "Using ${base_ref}..HEAD: merge-base ${BASE_SHA:0:7} → head ${HEAD_SHA:0:7}" >&2
+		fi
+	fi
+fi
+
+if [ -z "${BASE_SHA:-}" ] || [ -z "${HEAD_SHA:-}" ]; then
+	echo "Usage: BASE_SHA=<commit> HEAD_SHA=<commit> $0" >&2
+	echo "   or: $0 <base_sha> <head_sha>" >&2
+	echo "   or: $0  (in a git repo, compares merge-base of main|origin/main|... with HEAD)" >&2
+	exit 1
+fi
+
+NEW_VER=$(jq -r .version .plugin-data)
+
+if ! git cat-file -e "${BASE_SHA}:.plugin-data" 2>/dev/null; then
+	echo "::error::Could not read .plugin-data at merge base. Ensure the base branch has .plugin-data."
+	exit 1
+fi
+
+OLD_VER=$(git show "${BASE_SHA}:.plugin-data" | jq -r .version)
+
+if [ "$OLD_VER" = "$NEW_VER" ]; then
+	echo "No version change in .plugin-data (${NEW_VER}). Skipping release and tag checks."
+	exit 0
+fi
+
+echo "Version bump detected: ${OLD_VER} -> ${NEW_VER}"
+
+if git show-ref --verify --quiet "refs/tags/${NEW_VER}"; then
+	echo "::error::Tag '${NEW_VER}' already exists. Bump .plugin-data to a version that is not released yet."
+	exit 1
+fi
+
+have_diff() {
+	[ -n "$(git diff --name-only "${BASE_SHA}" "${HEAD_SHA}" -- "$1")" ]
+}
+
+missing=()
+for f in \
+	.plugin-data \
+	package.json \
+	blockparty-icons.php \
+	readme.txt \
+	CHANGELOG.md
+do
+	if ! have_diff "$f"; then
+		missing+=("$f")
+	fi
+done
+
+while IFS= read -r -d '' f; do
+	if ! have_diff "$f"; then
+		missing+=("$f (block.json)")
+	fi
+done < <(find . -name block.json -not -path '*/node_modules/*' -not -path '*/vendor/*' -print0 2>/dev/null)
+
+if [ ${#missing[@]} -ne 0 ]; then
+	echo "::error::This PR bumps the plugin version. The following required paths must be modified (diff vs base branch):"
+	printf '  - %s\n' "${missing[@]}"
+	exit 1
+fi
+
+# Consistency: declared version must match .plugin-data everywhere
+fail=0
+if [ "$(jq -r .version package.json)" != "$NEW_VER" ]; then
+	echo "::error::package.json version must equal ${NEW_VER} (from .plugin-data)"
+	fail=1
+fi
+
+while IFS= read -r -d '' f; do
+	if [ "$(jq -r .version "$f")" != "$NEW_VER" ]; then
+		echo "::error::${f} version must equal ${NEW_VER} (from .plugin-data)"
+		fail=1
+	fi
+done < <(find . -name block.json -not -path '*/node_modules/*' -not -path '*/vendor/*' -print0 2>/dev/null)
+
+if ! grep -F "* Version:" blockparty-icons.php | head -1 | grep -qF "$NEW_VER"; then
+	echo "::error::blockparty-icons.php plugin header Version must be ${NEW_VER}"
+	fail=1
+fi
+
+if ! grep -qF "define( 'BLOCKPARTY_ICONS_VERSION', '$NEW_VER' );" blockparty-icons.php; then
+	echo "::error::blockparty-icons.php define BLOCKPARTY_ICONS_VERSION must be '${NEW_VER}'"
+	fail=1
+fi
+
+if ! grep -E "^Stable tag:" readme.txt | grep -qF "$NEW_VER"; then
+	echo "::error::readme.txt Stable tag must be ${NEW_VER}"
+	fail=1
+fi
+
+if ! grep -qF "= ${NEW_VER} =" readme.txt; then
+	echo "::error::readme.txt Changelog must include '= ${NEW_VER} =' section"
+	fail=1
+fi
+
+if ! grep -qF "$NEW_VER" CHANGELOG.md; then
+	echo "::error::CHANGELOG.md must mention the release version ${NEW_VER} (e.g. a [${NEW_VER}] section header)"
+	fail=1
+fi
+
+exit "$fail"