diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eaf22d67..cd465c01 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
@@ -63,21 +65,37 @@ 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:
-    needs: build
+  test-unit-parallel:
+    timeout-minutes: 20
     strategy:
       matrix:
-        node-version: [16, 18]
+        node-version: [18]
         runs-on: [ubuntu, macos, windows]
     runs-on: ${{ matrix.runs-on }}-latest
     steps:
     - uses: actions/checkout@v3
+    - name: Use Node.js ${{ matrix.node-version }}.x
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}.x
+        cache: 'yarn'
+    - name: Install dependencies
+      run: |
+        yarn --frozen-lockfile
+        yarn install-addons
+    - name: Wait for build job
+      uses: NathanFirmo/wait-for-other-job@v1.1.1
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+        job: build
     - uses: actions/download-artifact@v3
       with:
         name: build-artifacts
@@ -89,26 +107,68 @@ jobs:
       run: 7z x compressed-build.zip -aoa -o${{ github.workspace }}
     - name: Print directory structure
       run: ls -R
+    - name: Unit tests
+      run: yarn test-unit --forbid-only
+
+  test-unit:
+    needs: build
+    timeout-minutes: 20
+    strategy:
+      matrix:
+        node-version: [16]
+        runs-on: [ubuntu, macos, windows]
+    runs-on: ${{ matrix.runs-on }}-latest
+    steps:
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}.x
       uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}.x
         cache: 'yarn'
     - name: Install dependencies
-      run: yarn --frozen-lockfile
+      run: |
+        yarn --frozen-lockfile
+        yarn install-addons
+    - uses: actions/download-artifact@v3
+      with:
+        name: build-artifacts
+    - name: Unzip artifacts (Linux, macOS)
+      if: runner.os != 'Windows'
+      run: unzip -o compressed-build.zip
+    - name: Unzip artifacts (Windows)
+      if: runner.os == 'Windows'
+      run: 7z x compressed-build.zip -aoa -o${{ github.workspace }}
+    - name: Print directory structure
+      run: ls -R
     - name: Unit tests
       run: yarn test-unit --forbid-only
 
-  integration-tests:
-    needs: build
+  test-api-parallel:
+    timeout-minutes: 20
     strategy:
       matrix:
-        node-version: [18]
-        runs-on: [ubuntu, windows] # macos is flaky
+        node-version: [18] # just one as integration tests are about testing in browser
+        runs-on: [ubuntu] # macos is flaky
         browser: [chromium, firefox]
     runs-on: ${{ matrix.runs-on }}-latest
     steps:
     - uses: actions/checkout@v3
+    - name: Use Node.js ${{ matrix.node-version }}.x
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}.x
+        cache: 'yarn'
+    - name: Install dependencies
+      run: |
+        yarn --frozen-lockfile
+        yarn install-addons
+    - name: Install playwright
+      run: npx playwright install
+    - name: Wait for build job
+      uses: NathanFirmo/wait-for-other-job@v1.1.1
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+        job: build
     - uses: actions/download-artifact@v3
       with:
         name: build-artifacts
@@ -120,14 +180,41 @@ jobs:
       run: 7z x compressed-build.zip -aoa -o${{ github.workspace }}
     - name: Print directory structure
       run: ls -R
+    - name: Integration tests (${{ matrix.browser }})
+      run: yarn test-api-${{ matrix.browser }} --headless --forbid-only
+
+  test-api:
+    needs: build
+    timeout-minutes: 20
+    strategy:
+      matrix:
+        node-version: [18] # just one as integration tests are about testing in browser
+        runs-on: [windows] # macos is flaky
+        browser: [chromium, firefox]
+    runs-on: ${{ matrix.runs-on }}-latest
+    steps:
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}.x
       uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}.x
         cache: 'yarn'
     - name: Install dependencies
-      run: yarn --frozen-lockfile
+      run: |
+        yarn --frozen-lockfile
+        yarn install-addons
     - name: Install playwright
       run: npx playwright install
+    - uses: actions/download-artifact@v3
+      with:
+        name: build-artifacts
+    - name: Unzip artifacts (Linux, macOS)
+      if: runner.os != 'Windows'
+      run: unzip -o compressed-build.zip
+    - name: Unzip artifacts (Windows)
+      if: runner.os == 'Windows'
+      run: 7z x compressed-build.zip -aoa -o${{ github.workspace }}
+    - name: Print directory structure
+      run: ls -R
     - name: Integration tests (${{ matrix.browser }})
       run: yarn test-api-${{ matrix.browser }} --headless --forbid-only
diff --git a/addons/xterm-addon-canvas/src/CanvasAddon.ts b/addons/xterm-addon-canvas/src/CanvasAddon.ts
index f796cedc..01ce5ca7 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, IUnicodeService } from 'common/services/Services';
+import { IBufferService, ICoreService, IDecorationService, ILogService, IOptionsService, IUnicodeService } 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;
@@ -44,10 +45,16 @@ 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;
     const unicodeService: IUnicodeService = unsafeCore.unicodeService;
 
+    // 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, unicodeService);
+    
     this.register(forwardEvent(this._renderer.onChangeTextureAtlas, this._onChangeTextureAtlas));
     this.register(forwardEvent(this._renderer.onAddTextureAtlasCanvas, this._onAddTextureAtlasCanvas));
     renderService.setRenderer(this._renderer);
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 {