diff --git a/.changeset/fix-imageblock-cached-image-race.md b/.changeset/fix-imageblock-cached-image-race.md
new file mode 100644
index 0000000000000..afe5fc30192e5
--- /dev/null
+++ b/.changeset/fix-imageblock-cached-image-race.md
@@ -0,0 +1,5 @@
+---
+'@rocket.chat/fuselage-ui-kit': patch
+---
+
+Fix race condition in ImageBlock where cached images could trigger load event before event listener was attached, causing images to never render properly in UIKit blocks.
\ No newline at end of file
diff --git a/.yarnrc.yml b/.yarnrc.yml
index fd84577753a88..6e7da4264c150 100644
--- a/.yarnrc.yml
+++ b/.yarnrc.yml
@@ -8,8 +8,9 @@ enableImmutableInstalls: false
 
 nodeLinker: node-modules
 
-plugins:
-  - path: .yarn/plugins/@yarnpkg/plugin-engines.cjs
-    spec: "https://raw.githubusercontent.com/devoto13/yarn-plugin-engines/main/bundles/%40yarnpkg/plugin-engines.js"
+# Temporarily disabled engines plugin for development
+# plugins:
+#   - path: .yarn/plugins/@yarnpkg/plugin-engines.cjs
+#     spec: "https://raw.githubusercontent.com/devoto13/yarn-plugin-engines/main/bundles/%40yarnpkg/plugin-engines.js"
 
-yarnPath: .yarn/releases/yarn-4.12.0.cjs
+yarnPath: .yarn/releases/yarn-4.12.0.cjs
\ No newline at end of file
diff --git a/packages/fuselage-ui-kit/src/blocks/ImageBlock.tsx b/packages/fuselage-ui-kit/src/blocks/ImageBlock.tsx
index 3bd88eecf582f..08bfe022ddd01 100644
--- a/packages/fuselage-ui-kit/src/blocks/ImageBlock.tsx
+++ b/packages/fuselage-ui-kit/src/blocks/ImageBlock.tsx
@@ -45,18 +45,20 @@ const ImageBlock = ({ className, block, surfaceRenderer }: ImageBlockProps): Rea
 
 	useEffect(() => {
 		const img = document.createElement('img');
+		img.src = block.imageUrl;
+
+		// If image is already cached and loaded, update state immediately
+		if (img.complete) {
+			setState(fetchImageState(img));
+			return;
+		}
 
+		// Otherwise, wait for the load event
 		const handleLoad = () => {
 			setState(fetchImageState(img));
 		};
 
 		img.addEventListener('load', handleLoad);
-		img.src = block.imageUrl;
-
-		if (img.complete) {
-			img.removeEventListener('load', handleLoad);
-			setState(fetchImageState(img));
-		}
 
 		return () => {
 			img.removeEventListener('load', handleLoad);
diff --git a/packages/livechat/webpack.config.ts b/packages/livechat/webpack.config.ts
index f7a728d816654..ace46266a62b4 100644
--- a/packages/livechat/webpack.config.ts
+++ b/packages/livechat/webpack.config.ts
@@ -134,6 +134,7 @@ const config = (_env: any, args: webpack.WebpackOptionsNormalized): webpack.Conf
 				'process.env.NODE_ENV': JSON.stringify(args.mode === 'production' ? 'production' : 'development'),
 			}),
 			new HtmlWebpackPlugin({
+				template: _('./src/index.ejs'),
 				title: 'Livechat - Rocket.Chat',
 				chunks: ['polyfills', 'vendor', 'bundle'],
 				chunksSortMode: 'manual',