diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a426746d..c5454e84 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,6 +9,7 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
     - uses: actions/checkout@v3
     - name: Use Node.js 18.x
@@ -55,6 +56,7 @@ jobs:
 
   lint:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
     - uses: actions/checkout@v3
     - name: Use Node.js 18.x
@@ -63,13 +65,16 @@ jobs:
         node-version: 18.x
         cache: 'yarn'
     - name: Install dependencies
-      run: yarn --frozen-lockfile
+      run: |
+        yarn --frozen-lockfile
+        yarn install-addons
     - name: Lint code
       run: yarn lint
     - name: Lint API
       run: yarn lint-api
 
   unit-tests:
+    timeout-minutes: 20
     strategy:
       matrix:
         node-version: [16, 18]
@@ -104,9 +109,10 @@ jobs:
       run: yarn test-unit --forbid-only
 
   integration-tests:
+    timeout-minutes: 20
     strategy:
       matrix:
-        node-version: [18]
+        node-version: [18] # just one as integration tests are about testing in browser
         runs-on: [ubuntu, windows] # macos is flaky
         browser: [chromium, firefox]
     runs-on: ${{ matrix.runs-on }}-latest
diff --git a/addons/xterm-addon-canvas/src/CanvasAddon.ts b/addons/xterm-addon-canvas/src/CanvasAddon.ts
index d6136174..2fbec324 100644
--- a/addons/xterm-addon-canvas/src/CanvasAddon.ts
+++ b/addons/xterm-addon-canvas/src/CanvasAddon.ts
@@ -6,10 +6,11 @@
 import { ICharacterJoinerService, ICharSizeService, ICoreBrowserService, IRenderService, ISelectionService, IThemeService } from 'browser/services/Services';
 import { ITerminal } from 'browser/Types';
 import { CanvasRenderer } from './CanvasRenderer';
-import { IBufferService, ICoreService, IDecorationService, IOptionsService } from 'common/services/Services';
+import { IBufferService, ICoreService, IDecorationService, ILogService, IOptionsService } from 'common/services/Services';
 import { ITerminalAddon, Terminal } from 'xterm';
 import { EventEmitter, forwardEvent } from 'common/EventEmitter';
 import { Disposable, toDisposable } from 'common/Lifecycle';
+import { setTraceLogger } from 'common/services/LogService';
 
 export class CanvasAddon extends Disposable implements ITerminalAddon {
   private _terminal?: Terminal;
@@ -44,8 +45,13 @@ export class CanvasAddon extends Disposable implements ITerminalAddon {
     const charSizeService: ICharSizeService = unsafeCore._charSizeService;
     const coreBrowserService: ICoreBrowserService = unsafeCore._coreBrowserService;
     const decorationService: IDecorationService = unsafeCore._decorationService;
+    const logService: ILogService = unsafeCore._logService;
     const themeService: IThemeService = unsafeCore._themeService;
 
+    // Set trace logger just in case it hasn't been yet which could happen when the addon is
+    // bundled separately to the core module
+    setTraceLogger(logService);
+
     this._renderer = new CanvasRenderer(terminal, screenElement, linkifier, bufferService, charSizeService, optionsService, characterJoinerService, coreService, coreBrowserService, decorationService, themeService);
     this.register(forwardEvent(this._renderer.onChangeTextureAtlas, this._onChangeTextureAtlas));
     this.register(forwardEvent(this._renderer.onAddTextureAtlasCanvas, this._onAddTextureAtlasCanvas));
diff --git a/package.json b/package.json
index 4fb383fd..be507b6e 100644
--- a/package.json
+++ b/package.json
@@ -41,8 +41,9 @@
     "test-unit-coverage": "node ./bin/test.js --coverage",
     "test-unit-dev": "cross-env NODE_PATH='./out' mocha",
     "build": "tsc -b ./tsconfig.all.json",
+    "install-addons": "node ./bin/install-addons.js",
+    "presetup": "npm run install-addons",
     "setup": "npm run build",
-    "postinstall": "node ./bin/install-addons.js",
     "postsetup": "npm run inwasm",
     "prepublishOnly": "npm run package",
     "watch": "tsc -b -w ./tsconfig.all.json --preserveWatchOutput",
diff --git a/src/browser/Viewport.ts b/src/browser/Viewport.ts
index 7c1ae945..049bf77c 100644
--- a/src/browser/Viewport.ts
+++ b/src/browser/Viewport.ts
@@ -279,6 +279,9 @@ export class Viewport extends Disposable implements IViewport {
   }
 
   public scrollLines(disp: number): void {
+    if (disp === 0) {
+      return;
+    }
     if (!this._optionsService.rawOptions.smoothScrollDuration) {
       this._onRequestScrollLines.fire({ amount: disp, suppressScrollEvent: false });
     } else {