diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0211997ee5b..7ff4c31afca8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,25 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.20.0-rc.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0...v1.20.0-rc.0) (2023-11-09)
+
+
+### Bug Fixes
+
+* **ItemNavigation:** more than 1 ItemNavigation per component allowed ([#7798](https://github.com/SAP/ui5-webcomponents/issues/7798)) ([b1019af](https://github.com/SAP/ui5-webcomponents/commit/b1019aff6c4aced61458c1b718ffe0a3a7802ae2))
+* **ui5-segmented-button:** check for items before applying settings ([#7792](https://github.com/SAP/ui5-webcomponents/issues/7792)) ([7f11274](https://github.com/SAP/ui5-webcomponents/commit/7f112746d50381474ec86da5e428df79c17c6499)), closes [#7788](https://github.com/SAP/ui5-webcomponents/issues/7788)
+* **ui5-time-picker:** check value before formatting ([#7793](https://github.com/SAP/ui5-webcomponents/issues/7793)) ([70deda8](https://github.com/SAP/ui5-webcomponents/commit/70deda85293d5e62e99530c9dc0747071d9ee59c)), closes [#7790](https://github.com/SAP/ui5-webcomponents/issues/7790)
+
+
+### Features
+
+* **ui5-illustrated-message:** added new TNT illustrations ([#7773](https://github.com/SAP/ui5-webcomponents/issues/7773)) ([03f28b9](https://github.com/SAP/ui5-webcomponents/commit/03f28b90df0b2a28c0f09f67caaa0a5a1e63c4f3))
+* **ui5-side-navigation:** added href and target properties ([#7682](https://github.com/SAP/ui5-webcomponents/issues/7682)) ([7530f00](https://github.com/SAP/ui5-webcomponents/commit/7530f00b589d0b95dcbee49f6ed980e9d36ba58b))
+
+
+
+
+
 # [1.19.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0-rc.3...v1.19.0) (2023-11-02)
 
 **Note:** Version bump only for package ui5-webcomponents
diff --git a/lerna.json b/lerna.json
index 5d6aa2a5d997..d5b09991f50c 100644
--- a/lerna.json
+++ b/lerna.json
@@ -12,7 +12,7 @@
     "packages/playground",
     "packages/create-package"
   ],
-  "version": "1.19.0",
+  "version": "1.20.0-rc.0",
   "command": {
     "publish": {
       "allowBranch": "*",
diff --git a/packages/base/CHANGELOG.md b/packages/base/CHANGELOG.md
index f821abc49282..6fde7010545d 100644
--- a/packages/base/CHANGELOG.md
+++ b/packages/base/CHANGELOG.md
@@ -3,6 +3,22 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.20.0-rc.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0...v1.20.0-rc.0) (2023-11-09)
+
+
+### Bug Fixes
+
+* **ItemNavigation:** more than 1 ItemNavigation per component allowed ([#7798](https://github.com/SAP/ui5-webcomponents/issues/7798)) ([b1019af](https://github.com/SAP/ui5-webcomponents/commit/b1019aff6c4aced61458c1b718ffe0a3a7802ae2))
+
+
+### Features
+
+* **ui5-side-navigation:** added href and target properties ([#7682](https://github.com/SAP/ui5-webcomponents/issues/7682)) ([7530f00](https://github.com/SAP/ui5-webcomponents/commit/7530f00b589d0b95dcbee49f6ed980e9d36ba58b))
+
+
+
+
+
 # [1.19.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0-rc.3...v1.19.0) (2023-11-02)
 
 **Note:** Version bump only for package @ui5/webcomponents-base
diff --git a/packages/base/package.json b/packages/base/package.json
index d0cd2c523ab4..0828b46c484a 100644
--- a/packages/base/package.json
+++ b/packages/base/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ui5/webcomponents-base",
-  "version": "1.19.0",
+  "version": "1.20.0-rc.0",
   "description": "UI5 Web Components: webcomponents.base",
   "author": "SAP SE (https://www.sap.com)",
   "license": "Apache-2.0",
@@ -37,8 +37,8 @@
   "devDependencies": {
     "@buxlabs/amd-to-es6": "0.16.1",
     "@openui5/sap.ui.core": "1.116.0",
-    "@ui5/webcomponents-tools": "1.19.0",
-    "chromedriver": "119.0.0",
+    "@ui5/webcomponents-tools": "1.20.0-rc.0",
+    "chromedriver": "117.0.3",
     "clean-css": "^5.2.2",
     "copy-and-watch": "^0.1.5",
     "cross-env": "^7.0.3",
diff --git a/packages/create-package/CHANGELOG.md b/packages/create-package/CHANGELOG.md
index 2beee3019a1b..5590b9b83c66 100644
--- a/packages/create-package/CHANGELOG.md
+++ b/packages/create-package/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.20.0-rc.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0...v1.20.0-rc.0) (2023-11-09)
+
+**Note:** Version bump only for package @ui5/create-webcomponents-package
+
+
+
+
+
 # [1.19.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0-rc.3...v1.19.0) (2023-11-02)
 
 **Note:** Version bump only for package @ui5/create-webcomponents-package
diff --git a/packages/create-package/package.json b/packages/create-package/package.json
index 950cd9da2c44..7dab73a4dbce 100644
--- a/packages/create-package/package.json
+++ b/packages/create-package/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ui5/create-webcomponents-package",
-  "version": "1.19.0",
+  "version": "1.20.0-rc.0",
   "description": "UI5 Web Components: create package",
   "author": "SAP SE (https://www.sap.com)",
   "license": "Apache-2.0",
diff --git a/packages/fiori/CHANGELOG.md b/packages/fiori/CHANGELOG.md
index 1d0562ca2fcc..87ab989b244d 100644
--- a/packages/fiori/CHANGELOG.md
+++ b/packages/fiori/CHANGELOG.md
@@ -3,6 +3,18 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.20.0-rc.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0...v1.20.0-rc.0) (2023-11-09)
+
+
+### Features
+
+* **ui5-illustrated-message:** added new TNT illustrations ([#7773](https://github.com/SAP/ui5-webcomponents/issues/7773)) ([03f28b9](https://github.com/SAP/ui5-webcomponents/commit/03f28b90df0b2a28c0f09f67caaa0a5a1e63c4f3))
+* **ui5-side-navigation:** added href and target properties ([#7682](https://github.com/SAP/ui5-webcomponents/issues/7682)) ([7530f00](https://github.com/SAP/ui5-webcomponents/commit/7530f00b589d0b95dcbee49f6ed980e9d36ba58b))
+
+
+
+
+
 # [1.19.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0-rc.3...v1.19.0) (2023-11-02)
 
 **Note:** Version bump only for package @ui5/webcomponents-fiori
diff --git a/packages/fiori/package.json b/packages/fiori/package.json
index 6ad02f2cde49..61148a5800b8 100644
--- a/packages/fiori/package.json
+++ b/packages/fiori/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ui5/webcomponents-fiori",
-  "version": "1.19.0",
+  "version": "1.20.0-rc.0",
   "description": "UI5 Web Components: webcomponents.fiori",
   "ui5": {
     "webComponentsPackage": true
@@ -41,14 +41,14 @@
     "directory": "packages/fiori"
   },
   "dependencies": {
-    "@ui5/webcomponents": "1.19.0",
-    "@ui5/webcomponents-base": "1.19.0",
-    "@ui5/webcomponents-icons": "1.19.0",
-    "@ui5/webcomponents-theming": "1.19.0",
+    "@ui5/webcomponents": "1.20.0-rc.0",
+    "@ui5/webcomponents-base": "1.20.0-rc.0",
+    "@ui5/webcomponents-icons": "1.20.0-rc.0",
+    "@ui5/webcomponents-theming": "1.20.0-rc.0",
     "@zxing/library": "^0.17.1"
   },
   "devDependencies": {
-    "@ui5/webcomponents-tools": "1.19.0",
-    "chromedriver": "119.0.0"
+    "@ui5/webcomponents-tools": "1.20.0-rc.0",
+    "chromedriver": "117.0.3"
   }
 }
diff --git a/packages/fiori/src/IllustratedMessage.hbs b/packages/fiori/src/IllustratedMessage.hbs
index 7871e6c49f3c..14a36b98b7e7 100644
--- a/packages/fiori/src/IllustratedMessage.hbs
+++ b/packages/fiori/src/IllustratedMessage.hbs
@@ -6,7 +6,7 @@
 			{{#if hasFormattedTitle}}
 				<slot name="title"></slot>
 			{{else}}
-				<ui5-title level="H2" class="ui5-illustrated-message-title" wrapping-type="Normal">{{effectiveTitleText}}</ui5-title>
+				<ui5-title level="{{titleLevel}}" class="ui5-illustrated-message-title" wrapping-type="Normal">{{effectiveTitleText}}</ui5-title>
 			{{/if}}
 	{{/if}}
 
diff --git a/packages/fiori/src/IllustratedMessage.ts b/packages/fiori/src/IllustratedMessage.ts
index c4167028d412..30832e3e8691 100644
--- a/packages/fiori/src/IllustratedMessage.ts
+++ b/packages/fiori/src/IllustratedMessage.ts
@@ -9,6 +9,7 @@ import { getEffectiveAriaLabelText } from "@ui5/webcomponents-base/dist/util/Ari
 import { getI18nBundle } from "@ui5/webcomponents-base/dist/i18nBundle.js";
 import type I18nBundle from "@ui5/webcomponents-base/dist/i18nBundle.js";
 import Title from "@ui5/webcomponents/dist/Title.js";
+import TitleLevel from "@ui5/webcomponents/dist/types/TitleLevel.js";
 import litRender from "@ui5/webcomponents-base/dist/renderer/LitRenderer.js";
 import IllustrationMessageSize from "./types/IllustrationMessageSize.js";
 import IllustrationMessageType from "./types/IllustrationMessageType.js";
@@ -153,6 +154,20 @@ class IllustratedMessage extends UI5Element {
 	@property({ defaultValue: "" })
 	accessibleNameRef!: string;
 
+	/**
+	* Defines the semantic level of the title.
+	*
+	* <b>Note:</b> Used for accessibility purposes only.
+	*
+	* @type {sap.ui.webc.main.types.TitleLevel}
+	* @defaultvalue "H2"
+	* @name sap.ui.webc.fiori.IllustratedMessage.prototype.titleLevel
+	* @public
+	* @since 1.20.0
+	*/
+	@property({ type: TitleLevel, defaultValue: TitleLevel.H2 })
+	titleLevel!: `${TitleLevel}`;
+
 	/**
 	* Illustration breakpoint variant for the <code>Spot</code> size.
 	*
diff --git a/packages/fiori/test/pages/IllustratedMessage.html b/packages/fiori/test/pages/IllustratedMessage.html
index b91d160bdb10..c830f9be24bb 100644
--- a/packages/fiori/test/pages/IllustratedMessage.html
+++ b/packages/fiori/test/pages/IllustratedMessage.html
@@ -141,7 +141,7 @@
 		</ui5-bar>
 	</ui5-dialog>
 
-	<ui5-illustrated-message id="illustratedMsg2" name="UnableToUpload" title="Something went wrong..." accessible-name-ref="lbl">
+	<ui5-illustrated-message id="illustratedMsg2" name="UnableToUpload" title="Something went wrong..." accessible-name-ref="lbl" title-level="H6">
 		<div slot="subtitle">Please try again or contact us at <ui5-link>example@example.com</ui5-link> <br><label id="lbl">Text from aria-labelledby</label></div>
 		<ui5-button icon="refresh">Try again</ui5-button>
 	</ui5-illustrated-message>
diff --git a/packages/fiori/test/specs/IllustratedMessage.spec.js b/packages/fiori/test/specs/IllustratedMessage.spec.js
index f40b8df3c397..729e0575ec26 100644
--- a/packages/fiori/test/specs/IllustratedMessage.spec.js
+++ b/packages/fiori/test/specs/IllustratedMessage.spec.js
@@ -80,6 +80,31 @@ describe("Accessibility", () => {
 
 	});
 
+	it("title-level", async () => {
+		// Arrange
+		const illustratedMsg = await browser.$("#illustratedMsg2"),
+			  illustratedMsgTitle = await browser.$("#illustratedMsg2").shadow$(".ui5-illustrated-message-root ui5-title"),
+			  EXPECTED_TITLE_lEVEL = "H6",
+			  NEW_TITLE_LEVEL = "H3",
+			  DEFAULT_TITLE_LEVEL = "H2";
+
+		// Assert
+		assert.strictEqual(await illustratedMsgTitle.getAttribute("level"), EXPECTED_TITLE_lEVEL, "level is set");
+
+		// Act
+		await illustratedMsg.setAttribute("title-level", NEW_TITLE_LEVEL);
+
+		// Assert
+		assert.strictEqual(await illustratedMsgTitle.getAttribute("level"), NEW_TITLE_LEVEL, "level is set");
+
+		// Act
+		await illustratedMsg.removeAttribute("title-level");
+
+		// Assert
+		assert.strictEqual(await illustratedMsgTitle.getAttribute("level"), DEFAULT_TITLE_LEVEL, "level has the default value");
+
+	});
+
 });
 
 describe("Vertical responsiveness", () => {
diff --git a/packages/icons-business-suite/CHANGELOG.md b/packages/icons-business-suite/CHANGELOG.md
index dfcbf22947ab..9b9a883ea73f 100644
--- a/packages/icons-business-suite/CHANGELOG.md
+++ b/packages/icons-business-suite/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.20.0-rc.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0...v1.20.0-rc.0) (2023-11-09)
+
+**Note:** Version bump only for package @ui5/webcomponents-icons-business-suite
+
+
+
+
+
 # [1.19.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0-rc.3...v1.19.0) (2023-11-02)
 
 **Note:** Version bump only for package @ui5/webcomponents-icons-business-suite
diff --git a/packages/icons-business-suite/package.json b/packages/icons-business-suite/package.json
index cc296ddcfc2a..54d8a56dfa9b 100644
--- a/packages/icons-business-suite/package.json
+++ b/packages/icons-business-suite/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ui5/webcomponents-icons-business-suite",
-  "version": "1.19.0",
+  "version": "1.20.0-rc.0",
   "description": "UI5 Web Components: SAP Fiori Tools icon set",
   "author": "SAP SE (https://www.sap.com)",
   "license": "Apache-2.0",
@@ -27,9 +27,9 @@
     "directory": "packages/icons-business-suite"
   },
   "dependencies": {
-    "@ui5/webcomponents-base": "1.19.0"
+    "@ui5/webcomponents-base": "1.20.0-rc.0"
   },
   "devDependencies": {
-    "@ui5/webcomponents-tools": "1.19.0"
+    "@ui5/webcomponents-tools": "1.20.0-rc.0"
   }
 }
diff --git a/packages/icons-tnt/CHANGELOG.md b/packages/icons-tnt/CHANGELOG.md
index c568b1e33b1a..fd6948d7776e 100644
--- a/packages/icons-tnt/CHANGELOG.md
+++ b/packages/icons-tnt/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.20.0-rc.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0...v1.20.0-rc.0) (2023-11-09)
+
+**Note:** Version bump only for package @ui5/webcomponents-icons-tnt
+
+
+
+
+
 # [1.19.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0-rc.3...v1.19.0) (2023-11-02)
 
 **Note:** Version bump only for package @ui5/webcomponents-icons-tnt
diff --git a/packages/icons-tnt/package.json b/packages/icons-tnt/package.json
index 757e4a973653..4d2041805070 100644
--- a/packages/icons-tnt/package.json
+++ b/packages/icons-tnt/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ui5/webcomponents-icons-tnt",
-  "version": "1.19.0",
+  "version": "1.20.0-rc.0",
   "description": "UI5 Web Components: SAP Fiori Tools icon set",
   "author": "SAP SE (https://www.sap.com)",
   "license": "Apache-2.0",
@@ -27,9 +27,9 @@
     "directory": "packages/icons-tnt"
   },
   "dependencies": {
-    "@ui5/webcomponents-base": "1.19.0"
+    "@ui5/webcomponents-base": "1.20.0-rc.0"
   },
   "devDependencies": {
-    "@ui5/webcomponents-tools": "1.19.0"
+    "@ui5/webcomponents-tools": "1.20.0-rc.0"
   }
 }
diff --git a/packages/icons/CHANGELOG.md b/packages/icons/CHANGELOG.md
index 9b7a445aead2..d5910fe85c13 100644
--- a/packages/icons/CHANGELOG.md
+++ b/packages/icons/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.20.0-rc.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0...v1.20.0-rc.0) (2023-11-09)
+
+**Note:** Version bump only for package @ui5/webcomponents-icons
+
+
+
+
+
 # [1.19.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0-rc.3...v1.19.0) (2023-11-02)
 
 **Note:** Version bump only for package @ui5/webcomponents-icons
diff --git a/packages/icons/package.json b/packages/icons/package.json
index 44dbf6f29942..943fc8eac1d3 100644
--- a/packages/icons/package.json
+++ b/packages/icons/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ui5/webcomponents-icons",
-  "version": "1.19.0",
+  "version": "1.20.0-rc.0",
   "description": "UI5 Web Components: webcomponents.SAP-icons",
   "author": "SAP SE (https://www.sap.com)",
   "license": "Apache-2.0",
@@ -27,9 +27,9 @@
     "directory": "packages/icons"
   },
   "dependencies": {
-    "@ui5/webcomponents-base": "1.19.0"
+    "@ui5/webcomponents-base": "1.20.0-rc.0"
   },
   "devDependencies": {
-    "@ui5/webcomponents-tools": "1.19.0"
+    "@ui5/webcomponents-tools": "1.20.0-rc.0"
   }
 }
diff --git a/packages/localization/CHANGELOG.md b/packages/localization/CHANGELOG.md
index ba0b49bb8c5b..1915ec566677 100644
--- a/packages/localization/CHANGELOG.md
+++ b/packages/localization/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.20.0-rc.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0...v1.20.0-rc.0) (2023-11-09)
+
+**Note:** Version bump only for package @ui5/webcomponents-localization
+
+
+
+
+
 # [1.19.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0-rc.3...v1.19.0) (2023-11-02)
 
 **Note:** Version bump only for package @ui5/webcomponents-localization
diff --git a/packages/localization/lib/generate-json-imports/cldr.js b/packages/localization/lib/generate-json-imports/cldr.js
index d5b50d26ce80..c2f1552c7899 100644
--- a/packages/localization/lib/generate-json-imports/cldr.js
+++ b/packages/localization/lib/generate-json-imports/cldr.js
@@ -4,7 +4,7 @@ import assets from "@ui5/webcomponents-tools/assets-meta.js";
 const allLocales = assets.locales.all;
 
 const imports = allLocales.map(locale => `import ${locale} from "../assets/cldr/${locale}.json";`).join("\n");
-const caseImports = allLocales.map(locale => `\t\tcase "${locale}": return (await import("../assets/cldr/${locale}.json")).default;`).join("\n");
+const caseImports = allLocales.map(locale => `\t\tcase "${locale}": return (await import(/* webpackChunkName: "ui5-webcomponents-cldr-${locale}" */ "../assets/cldr/${locale}.json")).default;`).join("\n");
 const localesKeys = allLocales.join(",");
 const localesKeysStrArray = allLocales.map(_ => `"${_}"`).join(",");
 
diff --git a/packages/localization/package.json b/packages/localization/package.json
index 284814c600bc..9d1d26a62984 100644
--- a/packages/localization/package.json
+++ b/packages/localization/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ui5/webcomponents-localization",
-  "version": "1.19.0",
+  "version": "1.20.0-rc.0",
   "description": "Localization for UI5 Web Components",
   "author": "SAP SE (https://www.sap.com)",
   "license": "Apache-2.0",
@@ -29,13 +29,13 @@
   },
   "devDependencies": {
     "@openui5/sap.ui.core": "1.116.0",
-    "@ui5/webcomponents-tools": "1.19.0",
-    "chromedriver": "119.0.0",
+    "@ui5/webcomponents-tools": "1.20.0-rc.0",
+    "chromedriver": "117.0.3",
     "mkdirp": "^1.0.4",
     "resolve": "^1.20.0"
   },
   "dependencies": {
     "@types/openui5": "^1.113.0",
-    "@ui5/webcomponents-base": "1.19.0"
+    "@ui5/webcomponents-base": "1.20.0-rc.0"
   }
 }
diff --git a/packages/main/CHANGELOG.md b/packages/main/CHANGELOG.md
index ee7e410795da..f0d287b7d7a0 100644
--- a/packages/main/CHANGELOG.md
+++ b/packages/main/CHANGELOG.md
@@ -3,6 +3,18 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.20.0-rc.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0...v1.20.0-rc.0) (2023-11-09)
+
+
+### Bug Fixes
+
+* **ui5-segmented-button:** check for items before applying settings ([#7792](https://github.com/SAP/ui5-webcomponents/issues/7792)) ([7f11274](https://github.com/SAP/ui5-webcomponents/commit/7f112746d50381474ec86da5e428df79c17c6499)), closes [#7788](https://github.com/SAP/ui5-webcomponents/issues/7788)
+* **ui5-time-picker:** check value before formatting ([#7793](https://github.com/SAP/ui5-webcomponents/issues/7793)) ([70deda8](https://github.com/SAP/ui5-webcomponents/commit/70deda85293d5e62e99530c9dc0747071d9ee59c)), closes [#7790](https://github.com/SAP/ui5-webcomponents/issues/7790)
+
+
+
+
+
 # [1.19.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0-rc.3...v1.19.0) (2023-11-02)
 
 **Note:** Version bump only for package @ui5/webcomponents
diff --git a/packages/main/package.json b/packages/main/package.json
index d07b74d1d315..05daf170a363 100644
--- a/packages/main/package.json
+++ b/packages/main/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ui5/webcomponents",
-  "version": "1.19.0",
+  "version": "1.20.0-rc.0",
   "description": "UI5 Web Components: webcomponents.main",
   "ui5": {
     "webComponentsPackage": true
@@ -43,13 +43,13 @@
     "directory": "packages/main"
   },
   "dependencies": {
-    "@ui5/webcomponents-base": "1.19.0",
-    "@ui5/webcomponents-icons": "1.19.0",
-    "@ui5/webcomponents-localization": "1.19.0",
-    "@ui5/webcomponents-theming": "1.19.0"
+    "@ui5/webcomponents-base": "1.20.0-rc.0",
+    "@ui5/webcomponents-icons": "1.20.0-rc.0",
+    "@ui5/webcomponents-localization": "1.20.0-rc.0",
+    "@ui5/webcomponents-theming": "1.20.0-rc.0"
   },
   "devDependencies": {
-    "@ui5/webcomponents-tools": "1.19.0",
-    "chromedriver": "119.0.0"
+    "@ui5/webcomponents-tools": "1.20.0-rc.0",
+    "chromedriver": "117.0.3"
   }
 }
diff --git a/packages/main/src/List.hbs b/packages/main/src/List.hbs
index 1de370c8e491..cdc27e862510 100644
--- a/packages/main/src/List.hbs
+++ b/packages/main/src/List.hbs
@@ -5,6 +5,7 @@
 	@ui5-_press={{onItemPress}}
 	@ui5-close={{onItemClose}}
 	@ui5-toggle={{onItemToggle}}
+	@ui5-_request-tabindex-change={{onItemTabIndexChange}}
 	@ui5-_focused={{onItemFocused}}
 	@ui5-_forward-after={{onForwardAfter}}
 	@ui5-_forward-before={{onForwardBefore}}
diff --git a/packages/main/src/List.ts b/packages/main/src/List.ts
index 22136f608527..0a37f3a35c6a 100644
--- a/packages/main/src/List.ts
+++ b/packages/main/src/List.ts
@@ -927,6 +927,11 @@ class List extends UI5Element {
 		return afterElement && afterElement.id === elementId;
 	}
 
+	onItemTabIndexChange(e: CustomEvent) {
+		const target = e.target as ListItemBase;
+		this._itemNavigation.setCurrentItem(target);
+	}
+
 	onItemFocused(e: CustomEvent) {
 		const target = e.target as ListItemBase;
 
diff --git a/packages/main/src/ListItemBase.ts b/packages/main/src/ListItemBase.ts
index 2055fc4aa08d..08f3ebf677dd 100644
--- a/packages/main/src/ListItemBase.ts
+++ b/packages/main/src/ListItemBase.ts
@@ -27,6 +27,7 @@ import styles from "./generated/themes/ListItemBase.css.js";
 	renderer: litRender,
 	styles,
 })
+@event("_request-tabindex-change")
 @event("_focused")
 @event("_forward-after")
 @event("_forward-before")
@@ -72,6 +73,7 @@ class ListItemBase extends UI5Element implements ITabbable {
 	focused!: boolean;
 
 	_onfocusin(e: FocusEvent) {
+		this.fireEvent("_request-tabindex-change", e);
 		if (e.target !== this.getFocusDomRef()) {
 			return;
 		}
diff --git a/packages/main/src/Tree.ts b/packages/main/src/Tree.ts
index 8b948a061a7f..842ebd0b7868 100644
--- a/packages/main/src/Tree.ts
+++ b/packages/main/src/Tree.ts
@@ -276,24 +276,6 @@ class Tree extends UI5Element {
 	@property({ defaultValue: undefined, noAttribute: true })
 	accessibleRoleDescription?: string;
 
-	/**
-	 * Shows the toggle button at the end, rather than at the beginning of the items
-	 *
-	 * @protected
-	 * @since 1.0.0-rc.8
-	 */
-	@property({ type: Boolean })
-	_toggleButtonEnd!: boolean;
-
-	/**
-	 * Represents the tree in a very minimal state - icons only with no text and no toggle buttons
-	 *
-	 * @protected
-	 * @since 1.0.0-rc.8
-	 */
-	@property({ type: Boolean })
-	_minimal!: boolean;
-
 	/**
 	 * Defines the items of the component. Tree items may have other tree items as children.
 	 * <br><br>
@@ -336,7 +318,7 @@ class Tree extends UI5Element {
 	}
 
 	get _role() {
-		return this._minimal ? "menubar" : "tree";
+		return "tree";
 	}
 
 	get _label() {
@@ -429,8 +411,6 @@ class Tree extends UI5Element {
 
 			item.setAttribute("level", level.toString());
 
-			item._toggleButtonEnd = this._toggleButtonEnd;
-			item._minimal = this._minimal;
 			item._setsize = ariaSetSize;
 			item._posinset = index + 1;
 		});
diff --git a/packages/main/src/TreeItem.ts b/packages/main/src/TreeItem.ts
index 2ae26ae4b5c1..ce123ea0729b 100644
--- a/packages/main/src/TreeItem.ts
+++ b/packages/main/src/TreeItem.ts
@@ -81,7 +81,7 @@ class TreeItem extends TreeItemBase {
 	additionalTextState!: `${ValueState}`;
 
 	get _showTitle() {
-		return this.text.length && !this._minimal;
+		return this.text.length;
 	}
 }
 
diff --git a/packages/main/src/TreeItemBase.hbs b/packages/main/src/TreeItemBase.hbs
index 2cf49ca9f39f..cfaf020a6b6d 100644
--- a/packages/main/src/TreeItemBase.hbs
+++ b/packages/main/src/TreeItemBase.hbs
@@ -9,7 +9,7 @@
 		class="ui5-li-tree-toggle-box"
 		style="{{styles.preContent}}"
 	>
-		{{#if _showToggleButtonBeginning}}
+		{{#if showToggleButton}}
 			<ui5-icon
 				part="toggle-icon"
 				class="ui5-li-tree-toggle-icon"
@@ -33,17 +33,6 @@
 	{{/if}}
 {{/inline}}
 
-{{#*inline "iconEnd"}}
-	{{#if _showToggleButtonEnd}}
-		<ui5-icon
-			part="toggle-icon"
-			class="ui5-li-tree-toggle-icon"
-			name="{{_toggleIconName}}"
-			@click="{{_toggleClick}}"
-		></ui5-icon>
-	{{/if}}
-{{/inline}}
-
 {{#*inline "listItemPostContent"}}
 	{{#if expanded}}
 		<ul
diff --git a/packages/main/src/TreeItemBase.ts b/packages/main/src/TreeItemBase.ts
index 374dd14b9a51..a0ca69cf0171 100644
--- a/packages/main/src/TreeItemBase.ts
+++ b/packages/main/src/TreeItemBase.ts
@@ -200,24 +200,6 @@ class TreeItemBase extends ListItem {
 	@property()
 	accessibleName!: string;
 
-	/**
-	 * Defines whether the toggle button is shown at the end, rather than at the beginning of the item
-	 *
-	 * @protected
-	 * @since 1.0.0-rc.8
-	 */
-	@property({ type: Boolean })
-	_toggleButtonEnd!: boolean;
-
-	/**
-	 * Defines whether the item shows minimal details - only icon (no text or toggle button)
-	 *
-	 * @protected
-	 * @since 1.0.0-rc.8
-	 */
-	@property({ type: Boolean })
-	_minimal!: boolean;
-
 	/**
 	 * @private
 	 * @since 1.0.0-rc.11
@@ -244,7 +226,6 @@ class TreeItemBase extends ListItem {
 
 	/**
 	 * Defines if the item should be collapsible or not.
-	 * It is true, for example, for the items inside the Popover of the Side Navigation
 	 * @private
 	 * @type {boolean}
 	 * @defaultvalue false
@@ -311,39 +292,24 @@ class TreeItemBase extends ListItem {
 		return this.expanded ? "navigation-down-arrow" : "navigation-right-arrow";
 	}
 
-	get _showToggleButtonBeginning() {
-		return this.showToggleButton && !this._minimal && !this._toggleButtonEnd;
-	}
-
-	get _showToggleButtonEnd() {
-		return this.showToggleButton && !this._minimal && this._toggleButtonEnd;
-	}
-
 	get _ariaLabel() {
 		return this.accessibleRoleDescription ? undefined : TreeItemBase.i18nBundle.getText(TREE_ITEM_ARIA_LABEL);
 	}
 
 	get _accInfo() {
 		const accInfoSettings = {
-			role: this._minimal ? "menuitemradio" : "treeitem",
-			ariaExpanded: this.showToggleButton && !this._minimal ? this.expanded : undefined,
-			ariaLevel: this._minimal ? undefined : this.level,
+			role: "treeitem",
+			ariaExpanded: this.showToggleButton ? this.expanded : undefined,
+			ariaLevel: this.level,
 			posinset: this._posinset,
 			setsize: this._setsize,
 			ariaSelectedText: this.ariaSelectedText,
 			listItemAriaLabel: !this.accessibleName ? this._ariaLabel : undefined,
 			ariaOwns: this.expanded ? `${this._id}-subtree` : undefined,
 			ariaHaspopup: this.ariaHaspopup || undefined,
-			ariaChecked: false,
-			ariaSelected: false,
+			ariaSelected: this.selected,
 		};
 
-		if (this._minimal) {
-			accInfoSettings.ariaChecked = this.selected;
-		} else {
-			accInfoSettings.ariaSelected = this.selected;
-		}
-
 		return { ...super._accInfo, ...accInfoSettings };
 	}
 
diff --git a/packages/main/src/themes/ListItemBase.css b/packages/main/src/themes/ListItemBase.css
index 81c83fd4e803..9bfb11b81e5c 100644
--- a/packages/main/src/themes/ListItemBase.css
+++ b/packages/main/src/themes/ListItemBase.css
@@ -37,7 +37,7 @@
 	align-items: center;
 	width: 100%;
 	height: 100%;
-	padding: var(--ui5-listitem-padding);
+	padding: 0 1rem;
 	box-sizing: border-box;
 }
 
@@ -50,11 +50,8 @@
 	content: "";
 	border: var(--sapContent_FocusWidth) var(--sapContent_FocusStyle) var(--sapContent_FocusColor);
 	position: absolute;
-	border-radius: var(--ui5-listitem-focus-border-radius);
-	top: var(--ui5-listitem-focus-offset);
-	right: var(--ui5-listitem-focus-offset);
-	bottom: var(--ui5-listitem-focus-offset);
-	left: var(--ui5-listitem-focus-offset);
+	border-radius: 0;
+	inset: 0.125rem;
 	pointer-events: none;
 }
 
diff --git a/packages/main/src/themes/TreeItem.css b/packages/main/src/themes/TreeItem.css
index 0f637e9d2005..34457497c389 100644
--- a/packages/main/src/themes/TreeItem.css
+++ b/packages/main/src/themes/TreeItem.css
@@ -4,43 +4,10 @@
 	position: relative;
 }
 
-:host([_minimal]) .ui5-li-tree-toggle-box {
-	width: 0;
-	min-width: 0;
-}
-
-:host([_minimal]) .ui5-li-icon {
-	padding: 0;
-}
-
-:host([_minimal]) .ui5-li-content {
-	justify-content: center;
-}
-
-:host([_minimal]) .ui5-li-root-tree {
-	padding: 0;
-}
-
-:host([_minimal][show-toggle-button])::after {
-	display: var(--_ui5-tree-item-minimal-children-indicator-display);
-	content: "";
-	width: 0;
-	height: 0;
-	border-left: 0.375rem solid transparent;
-	border-bottom: .375rem solid var(--sapContent_NonInteractiveIconColor);
-	position: absolute;
-	right: 0.1875rem;
-	bottom: 0.125rem;
-}
-
 .ui5-li-tree-text-wrapper {
 	flex: auto;
 }
 
-:host([_minimal]) .ui5-li-text-wrapper {
-	display: none;
-}
-
 .ui5-li-root-tree {
 	padding-inline-start: 0;
 }
@@ -123,10 +90,6 @@ is the .ui5-li-root and not the host. The host height expands to fill subtree */
     background: var(--sapList_SelectionBackgroundColor);
 }
 
-:host([_minimal][selected]) .ui5-li-root {
-	background: var(--_ui5-tree-item-minimal-background);
-}
-
 :host([has-border]) {
     border-bottom: unset;
 }
diff --git a/packages/main/src/themes/base/ListItemBase-parameters.css b/packages/main/src/themes/base/ListItemBase-parameters.css
index da658ff3798c..1323c8273590 100644
--- a/packages/main/src/themes/base/ListItemBase-parameters.css
+++ b/packages/main/src/themes/base/ListItemBase-parameters.css
@@ -4,9 +4,6 @@
 	--ui5-listitem-selected-border-bottom: 1px solid var(--sapList_SelectionBorderColor);
 	--ui5-listitem-focused-selected-border-bottom: 1px solid var(--sapList_SelectionBorderColor);
 	--ui5-listitem-active-border-color: var(--sapContent_ContrastFocusColor);
-	--ui5-listitem-padding: 0 1rem;
-	--ui5-listitem-focus-border-radius: 0;
-	--ui5-listitem-focus-offset: 0.125rem;
 	--_ui5_listitembase_focus_width: 1px;
 	--_ui5-listitembase_disabled_opacity: 0.5;
 	--_ui5_product_switch_item_border: none;
diff --git a/packages/main/src/themes/base/TreeItem-parameters.css b/packages/main/src/themes/base/TreeItem-parameters.css
deleted file mode 100644
index 7641f6494b6a..000000000000
--- a/packages/main/src/themes/base/TreeItem-parameters.css
+++ /dev/null
@@ -1,4 +0,0 @@
-:root {
-	--_ui5-tree-item-minimal-background: var(--sapList_SelectionBackgroundColor);
-	--_ui5-tree-item-minimal-children-indicator-display: initial;
-}
\ No newline at end of file
diff --git a/packages/main/src/themes/sap_fiori_3/parameters-bundle.css b/packages/main/src/themes/sap_fiori_3/parameters-bundle.css
index 2fbcbf527f6b..d6639e081618 100644
--- a/packages/main/src/themes/sap_fiori_3/parameters-bundle.css
+++ b/packages/main/src/themes/sap_fiori_3/parameters-bundle.css
@@ -48,7 +48,6 @@
 @import "../base/GrowingButton-parameters.css";
 @import "./Token-parameters.css";
 @import "../base/Tokenizer-parameters.css";
-@import "../base/TreeItem-parameters.css";
 @import "../base/ValueStateMessage-parameters.css";
 @import "./MultiComboBox-parameters.css";
 @import "./SliderBase-parameters.css";
diff --git a/packages/main/src/themes/sap_fiori_3_dark/parameters-bundle.css b/packages/main/src/themes/sap_fiori_3_dark/parameters-bundle.css
index 861f94262a6b..018d45ebbb95 100644
--- a/packages/main/src/themes/sap_fiori_3_dark/parameters-bundle.css
+++ b/packages/main/src/themes/sap_fiori_3_dark/parameters-bundle.css
@@ -47,7 +47,6 @@
 @import "../base/GrowingButton-parameters.css";
 @import "./Token-parameters.css";
 @import "../base/Tokenizer-parameters.css";
-@import "../base/TreeItem-parameters.css";
 @import "../base/ValueStateMessage-parameters.css";
 @import "./MultiComboBox-parameters.css";
 @import "./SliderBase-parameters.css";
diff --git a/packages/main/src/themes/sap_fiori_3_hcb/parameters-bundle.css b/packages/main/src/themes/sap_fiori_3_hcb/parameters-bundle.css
index d8c85e407ebb..adc90c14da9a 100644
--- a/packages/main/src/themes/sap_fiori_3_hcb/parameters-bundle.css
+++ b/packages/main/src/themes/sap_fiori_3_hcb/parameters-bundle.css
@@ -49,7 +49,6 @@
 @import "./YearPicker-parameters.css";
 @import "./Token-parameters.css";
 @import "../base/Tokenizer-parameters.css";
-@import "../base/TreeItem-parameters.css";
 @import "./ValueStateMessage-parameters.css";
 @import "../base/MultiComboBox-parameters.css";
 @import "./SliderBase-parameters.css";
diff --git a/packages/main/src/themes/sap_fiori_3_hcw/parameters-bundle.css b/packages/main/src/themes/sap_fiori_3_hcw/parameters-bundle.css
index d8c85e407ebb..adc90c14da9a 100644
--- a/packages/main/src/themes/sap_fiori_3_hcw/parameters-bundle.css
+++ b/packages/main/src/themes/sap_fiori_3_hcw/parameters-bundle.css
@@ -49,7 +49,6 @@
 @import "./YearPicker-parameters.css";
 @import "./Token-parameters.css";
 @import "../base/Tokenizer-parameters.css";
-@import "../base/TreeItem-parameters.css";
 @import "./ValueStateMessage-parameters.css";
 @import "../base/MultiComboBox-parameters.css";
 @import "./SliderBase-parameters.css";
diff --git a/packages/main/src/themes/sap_horizon/TreeItem-parameters.css b/packages/main/src/themes/sap_horizon/TreeItem-parameters.css
deleted file mode 100644
index 147c9aad67de..000000000000
--- a/packages/main/src/themes/sap_horizon/TreeItem-parameters.css
+++ /dev/null
@@ -1,6 +0,0 @@
-@import "../base/TreeItem-parameters.css";
-
-:root {
-	--_ui5-tree-item-minimal-background: 0 100% / 100% 0.125rem no-repeat linear-gradient(0deg, var(--sapList_SelectionBorderColor), var(--sapList_SelectionBorderColor)), var(--sapList_SelectionBackgroundColor);
-	--_ui5-tree-item-minimal-children-indicator-display: none;
-}
\ No newline at end of file
diff --git a/packages/main/src/themes/sap_horizon/parameters-bundle.css b/packages/main/src/themes/sap_horizon/parameters-bundle.css
index c277f0ca9dc1..264a4d9801b1 100644
--- a/packages/main/src/themes/sap_horizon/parameters-bundle.css
+++ b/packages/main/src/themes/sap_horizon/parameters-bundle.css
@@ -50,7 +50,6 @@
 @import "../base/TableRow-parameters.css";
 @import "./Token-parameters.css";
 @import "./Tokenizer-parameters.css";
-@import "./TreeItem-parameters.css";
 @import "./MultiComboBox-parameters.css";
 @import "./SliderBase-parameters.css";
 @import "./ValueStateMessage-parameters.css";
diff --git a/packages/main/src/themes/sap_horizon_dark/TreeItem-parameters.css b/packages/main/src/themes/sap_horizon_dark/TreeItem-parameters.css
deleted file mode 100644
index 147c9aad67de..000000000000
--- a/packages/main/src/themes/sap_horizon_dark/TreeItem-parameters.css
+++ /dev/null
@@ -1,6 +0,0 @@
-@import "../base/TreeItem-parameters.css";
-
-:root {
-	--_ui5-tree-item-minimal-background: 0 100% / 100% 0.125rem no-repeat linear-gradient(0deg, var(--sapList_SelectionBorderColor), var(--sapList_SelectionBorderColor)), var(--sapList_SelectionBackgroundColor);
-	--_ui5-tree-item-minimal-children-indicator-display: none;
-}
\ No newline at end of file
diff --git a/packages/main/src/themes/sap_horizon_dark/parameters-bundle.css b/packages/main/src/themes/sap_horizon_dark/parameters-bundle.css
index 0f76992aab21..b891883e37ff 100644
--- a/packages/main/src/themes/sap_horizon_dark/parameters-bundle.css
+++ b/packages/main/src/themes/sap_horizon_dark/parameters-bundle.css
@@ -50,7 +50,6 @@
 @import "../base/TableRow-parameters.css";
 @import "./Token-parameters.css";
 @import "./Tokenizer-parameters.css";
-@import "./TreeItem-parameters.css";
 @import "./MultiComboBox-parameters.css";
 @import "./SliderBase-parameters.css";
 @import "./ValueStateMessage-parameters.css";
diff --git a/packages/main/src/themes/sap_horizon_dark_exp/TreeItem-parameters.css b/packages/main/src/themes/sap_horizon_dark_exp/TreeItem-parameters.css
deleted file mode 100644
index 147c9aad67de..000000000000
--- a/packages/main/src/themes/sap_horizon_dark_exp/TreeItem-parameters.css
+++ /dev/null
@@ -1,6 +0,0 @@
-@import "../base/TreeItem-parameters.css";
-
-:root {
-	--_ui5-tree-item-minimal-background: 0 100% / 100% 0.125rem no-repeat linear-gradient(0deg, var(--sapList_SelectionBorderColor), var(--sapList_SelectionBorderColor)), var(--sapList_SelectionBackgroundColor);
-	--_ui5-tree-item-minimal-children-indicator-display: none;
-}
\ No newline at end of file
diff --git a/packages/main/src/themes/sap_horizon_dark_exp/parameters-bundle.css b/packages/main/src/themes/sap_horizon_dark_exp/parameters-bundle.css
index 0f76992aab21..b891883e37ff 100644
--- a/packages/main/src/themes/sap_horizon_dark_exp/parameters-bundle.css
+++ b/packages/main/src/themes/sap_horizon_dark_exp/parameters-bundle.css
@@ -50,7 +50,6 @@
 @import "../base/TableRow-parameters.css";
 @import "./Token-parameters.css";
 @import "./Tokenizer-parameters.css";
-@import "./TreeItem-parameters.css";
 @import "./MultiComboBox-parameters.css";
 @import "./SliderBase-parameters.css";
 @import "./ValueStateMessage-parameters.css";
diff --git a/packages/main/src/themes/sap_horizon_exp/TreeItem-parameters.css b/packages/main/src/themes/sap_horizon_exp/TreeItem-parameters.css
deleted file mode 100644
index 147c9aad67de..000000000000
--- a/packages/main/src/themes/sap_horizon_exp/TreeItem-parameters.css
+++ /dev/null
@@ -1,6 +0,0 @@
-@import "../base/TreeItem-parameters.css";
-
-:root {
-	--_ui5-tree-item-minimal-background: 0 100% / 100% 0.125rem no-repeat linear-gradient(0deg, var(--sapList_SelectionBorderColor), var(--sapList_SelectionBorderColor)), var(--sapList_SelectionBackgroundColor);
-	--_ui5-tree-item-minimal-children-indicator-display: none;
-}
\ No newline at end of file
diff --git a/packages/main/src/themes/sap_horizon_exp/parameters-bundle.css b/packages/main/src/themes/sap_horizon_exp/parameters-bundle.css
index ba5306f98e0f..4478bf9f3a34 100644
--- a/packages/main/src/themes/sap_horizon_exp/parameters-bundle.css
+++ b/packages/main/src/themes/sap_horizon_exp/parameters-bundle.css
@@ -50,7 +50,6 @@
 @import "../base/TableRow-parameters.css";
 @import "./Token-parameters.css";
 @import "./Tokenizer-parameters.css";
-@import "./TreeItem-parameters.css";
 @import "./MultiComboBox-parameters.css";
 @import "./SliderBase-parameters.css";
 @import "./ValueStateMessage-parameters.css";
diff --git a/packages/main/src/themes/sap_horizon_hcb/TreeItem-parameters.css b/packages/main/src/themes/sap_horizon_hcb/TreeItem-parameters.css
deleted file mode 100644
index 147c9aad67de..000000000000
--- a/packages/main/src/themes/sap_horizon_hcb/TreeItem-parameters.css
+++ /dev/null
@@ -1,6 +0,0 @@
-@import "../base/TreeItem-parameters.css";
-
-:root {
-	--_ui5-tree-item-minimal-background: 0 100% / 100% 0.125rem no-repeat linear-gradient(0deg, var(--sapList_SelectionBorderColor), var(--sapList_SelectionBorderColor)), var(--sapList_SelectionBackgroundColor);
-	--_ui5-tree-item-minimal-children-indicator-display: none;
-}
\ No newline at end of file
diff --git a/packages/main/src/themes/sap_horizon_hcb/parameters-bundle.css b/packages/main/src/themes/sap_horizon_hcb/parameters-bundle.css
index 23927b95e3b5..1f2eac54b908 100644
--- a/packages/main/src/themes/sap_horizon_hcb/parameters-bundle.css
+++ b/packages/main/src/themes/sap_horizon_hcb/parameters-bundle.css
@@ -48,7 +48,6 @@
 @import "./YearPicker-parameters.css";
 @import "./Token-parameters.css";
 @import "../base/Tokenizer-parameters.css";
-@import "./TreeItem-parameters.css";
 @import "./ValueStateMessage-parameters.css";
 @import "../base/MultiComboBox-parameters.css";
 @import "./SliderBase-parameters.css";
diff --git a/packages/main/src/themes/sap_horizon_hcb_exp/TreeItem-parameters.css b/packages/main/src/themes/sap_horizon_hcb_exp/TreeItem-parameters.css
deleted file mode 100644
index 147c9aad67de..000000000000
--- a/packages/main/src/themes/sap_horizon_hcb_exp/TreeItem-parameters.css
+++ /dev/null
@@ -1,6 +0,0 @@
-@import "../base/TreeItem-parameters.css";
-
-:root {
-	--_ui5-tree-item-minimal-background: 0 100% / 100% 0.125rem no-repeat linear-gradient(0deg, var(--sapList_SelectionBorderColor), var(--sapList_SelectionBorderColor)), var(--sapList_SelectionBackgroundColor);
-	--_ui5-tree-item-minimal-children-indicator-display: none;
-}
\ No newline at end of file
diff --git a/packages/main/src/themes/sap_horizon_hcb_exp/parameters-bundle.css b/packages/main/src/themes/sap_horizon_hcb_exp/parameters-bundle.css
index 23927b95e3b5..1f2eac54b908 100644
--- a/packages/main/src/themes/sap_horizon_hcb_exp/parameters-bundle.css
+++ b/packages/main/src/themes/sap_horizon_hcb_exp/parameters-bundle.css
@@ -48,7 +48,6 @@
 @import "./YearPicker-parameters.css";
 @import "./Token-parameters.css";
 @import "../base/Tokenizer-parameters.css";
-@import "./TreeItem-parameters.css";
 @import "./ValueStateMessage-parameters.css";
 @import "../base/MultiComboBox-parameters.css";
 @import "./SliderBase-parameters.css";
diff --git a/packages/main/src/themes/sap_horizon_hcw/TreeItem-parameters.css b/packages/main/src/themes/sap_horizon_hcw/TreeItem-parameters.css
deleted file mode 100644
index 147c9aad67de..000000000000
--- a/packages/main/src/themes/sap_horizon_hcw/TreeItem-parameters.css
+++ /dev/null
@@ -1,6 +0,0 @@
-@import "../base/TreeItem-parameters.css";
-
-:root {
-	--_ui5-tree-item-minimal-background: 0 100% / 100% 0.125rem no-repeat linear-gradient(0deg, var(--sapList_SelectionBorderColor), var(--sapList_SelectionBorderColor)), var(--sapList_SelectionBackgroundColor);
-	--_ui5-tree-item-minimal-children-indicator-display: none;
-}
\ No newline at end of file
diff --git a/packages/main/src/themes/sap_horizon_hcw/parameters-bundle.css b/packages/main/src/themes/sap_horizon_hcw/parameters-bundle.css
index 417d4eba47fe..0cc5c2d90321 100644
--- a/packages/main/src/themes/sap_horizon_hcw/parameters-bundle.css
+++ b/packages/main/src/themes/sap_horizon_hcw/parameters-bundle.css
@@ -48,7 +48,6 @@
 @import "./YearPicker-parameters.css";
 @import "./Token-parameters.css";
 @import "../base/Tokenizer-parameters.css";
-@import "./TreeItem-parameters.css";
 @import "./ValueStateMessage-parameters.css";
 @import "../base/MultiComboBox-parameters.css";
 @import "./SliderBase-parameters.css";
diff --git a/packages/main/src/themes/sap_horizon_hcw_exp/TreeItem-parameters.css b/packages/main/src/themes/sap_horizon_hcw_exp/TreeItem-parameters.css
deleted file mode 100644
index 147c9aad67de..000000000000
--- a/packages/main/src/themes/sap_horizon_hcw_exp/TreeItem-parameters.css
+++ /dev/null
@@ -1,6 +0,0 @@
-@import "../base/TreeItem-parameters.css";
-
-:root {
-	--_ui5-tree-item-minimal-background: 0 100% / 100% 0.125rem no-repeat linear-gradient(0deg, var(--sapList_SelectionBorderColor), var(--sapList_SelectionBorderColor)), var(--sapList_SelectionBackgroundColor);
-	--_ui5-tree-item-minimal-children-indicator-display: none;
-}
\ No newline at end of file
diff --git a/packages/main/src/themes/sap_horizon_hcw_exp/parameters-bundle.css b/packages/main/src/themes/sap_horizon_hcw_exp/parameters-bundle.css
index 417d4eba47fe..0cc5c2d90321 100644
--- a/packages/main/src/themes/sap_horizon_hcw_exp/parameters-bundle.css
+++ b/packages/main/src/themes/sap_horizon_hcw_exp/parameters-bundle.css
@@ -48,7 +48,6 @@
 @import "./YearPicker-parameters.css";
 @import "./Token-parameters.css";
 @import "../base/Tokenizer-parameters.css";
-@import "./TreeItem-parameters.css";
 @import "./ValueStateMessage-parameters.css";
 @import "../base/MultiComboBox-parameters.css";
 @import "./SliderBase-parameters.css";
diff --git a/packages/main/test/pages/List_test_page.html b/packages/main/test/pages/List_test_page.html
index 902e5656b5ac..bfb1097c3646 100644
--- a/packages/main/test/pages/List_test_page.html
+++ b/packages/main/test/pages/List_test_page.html
@@ -426,5 +426,16 @@ <h2 id="testHeader">Test aria</h2>
 			ariaPosinset: 3,
 		};
 	</script>
+
+	<ui5-list id="effectiveTabindexChange">
+		<ui5-li-custom>
+			<button>Inner Element</button>
+		</ui5-li-custom>
+		<ui5-li-custom id="country11">
+			<button>Inner Element</button>
+		</ui5-li-custom>
+		<!-- Other list items here -->
+	</ui5-list>
+	<div id="tabIndexChangeResult"></div>
 </body>
 </html>
diff --git a/packages/main/test/specs/ComboBox.spec.js b/packages/main/test/specs/ComboBox.spec.js
index 13cbd8a25b6d..286eac952d18 100644
--- a/packages/main/test/specs/ComboBox.spec.js
+++ b/packages/main/test/specs/ComboBox.spec.js
@@ -180,6 +180,10 @@ describe("General interaction", () => {
 
 		// act
 		await arrow.click();
+
+		assert.ok(await popover.getProperty("opened"), "Popover should be displayed")
+
+		listItems = await popover.$("ui5-list").$$("ui5-li");
 		await listItems[0].click();
 
 		// assert
diff --git a/packages/main/test/specs/List.spec.js b/packages/main/test/specs/List.spec.js
index e790dc1d2bcf..ae40832a45af 100644
--- a/packages/main/test/specs/List.spec.js
+++ b/packages/main/test/specs/List.spec.js
@@ -576,4 +576,17 @@ describe("List Tests", () => {
 
 		assert.strictEqual(await itemCloseResult.getProperty("value"), "0", "item-close event is not fired when the button is pressed.");
 	});
+
+	it("List item fires _request-tabindex-change event and updates tabindex when inner element receives focus", async () => {
+		const innerElement = await browser.$("#effectiveTabindexChange #country11 button");
+		const listItem = await browser.$("#effectiveTabindexChange #country11");
+		const rootItemElement = await listItem.shadow$(".ui5-li-root");
+	
+		// Focus on the target list item
+		await innerElement.click();
+	
+		const newTabIndex = await rootItemElement.getAttribute("tabindex");
+	
+		assert.equal(newTabIndex , "0", "The tabIndex of the list item root should be '0' when inner element receives focus.");
+	});
 });
diff --git a/packages/main/test/specs/Menu.spec.js b/packages/main/test/specs/Menu.spec.js
index 3dcd37530564..69d255036728 100644
--- a/packages/main/test/specs/Menu.spec.js
+++ b/packages/main/test/specs/Menu.spec.js
@@ -52,18 +52,30 @@ describe("Menu interaction", () => {
 		openButton.click();
 
 		const staticAreaItemClassName = await browser.getStaticAreaItemClassName("#menu");
-		const popover = await browser.$(`.${staticAreaItemClassName}`).shadow$("ui5-responsive-popover");
+		const staticAreaItem = await browser.$(`.${staticAreaItemClassName}`);
+		const popover = staticAreaItem.shadow$("ui5-responsive-popover");
 		const listItems = await popover.$("ui5-list").$$("ui5-li");
+		const submenuList = await staticAreaItem.shadow$(".ui5-menu-submenus");
 
 		listItems[3].click(); // open sub-menu
 
-		assert.ok(await browser.$(`.${staticAreaItemClassName}`).shadow$(".ui5-menu-submenus").$("ui5-menu"),
-								"The second level sub-menu is being created"); // new ui5-menu element is created for the sub-menu
+		await submenuList.$("ui5-menu").waitForExist({
+			timeout: 1000,
+			timeoutMsg: "The second level sub-menu is should be created"
+		})
+
+		assert.ok(await submenuList.$("ui5-menu"), "The second level sub-menu is being created"); // new ui5-menu element is created for the sub-menu
 
 		await browser.keys("ArrowLeft"); // back to main menu
 		await browser.keys("ArrowDown"); // go to the next menu item (close sub-menu)
 
-		assert.strictEqual(await browser.$(`.${staticAreaItemClassName}`).shadow$(".ui5-menu-submenus").$$("ui5-menu").length, 0,
+		await submenuList.$("ui5-menu").waitForExist({
+			reverse: true,
+			timeout: 1000,
+			timeoutMsg: "The second level sub-menu is should be destroyed"
+		})
+
+		assert.strictEqual(await submenuList.$$("ui5-menu").length, 0,
 								"The second level sub-menu is being destroyed"); // sub-menu ui5-menu element is destroyed
 	});
 
diff --git a/packages/playground/.storybook/sbTheme.ts b/packages/playground/.storybook/sbTheme.ts
index 3dcfa3cb99b5..dec5ceddbaea 100644
--- a/packages/playground/.storybook/sbTheme.ts
+++ b/packages/playground/.storybook/sbTheme.ts
@@ -4,6 +4,6 @@ export default create({
     base: "light",
     brandTitle: "UI5 Web Components",
     brandImage: `../assets/images/sb-logo.png`,
-    brandUrl: './',
+    brandUrl: '../',
     brandTarget: "_self",
 });
diff --git a/packages/playground/CHANGELOG.md b/packages/playground/CHANGELOG.md
index 43abb2777734..da68881d63ca 100644
--- a/packages/playground/CHANGELOG.md
+++ b/packages/playground/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.20.0-rc.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0...v1.20.0-rc.0) (2023-11-09)
+
+**Note:** Version bump only for package @ui5/webcomponents-playground
+
+
+
+
+
 # [1.19.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0-rc.3...v1.19.0) (2023-11-02)
 
 **Note:** Version bump only for package @ui5/webcomponents-playground
diff --git a/packages/playground/_stories/fiori/IllustratedMessage/IllustratedMessage.stories.ts b/packages/playground/_stories/fiori/IllustratedMessage/IllustratedMessage.stories.ts
index a96f1c22bd53..628055d79ca6 100644
--- a/packages/playground/_stories/fiori/IllustratedMessage/IllustratedMessage.stories.ts
+++ b/packages/playground/_stories/fiori/IllustratedMessage/IllustratedMessage.stories.ts
@@ -33,8 +33,9 @@ const Template: UI5StoryArgs<IllustratedMessage, StoryArgsSlots> = (
     subtitle-text="${ifDefined(args.subtitleText)}"
     title-text="${ifDefined(args.titleText)}"
     accessible-name-ref="${ifDefined(args.accessibleNameRef)}"
+    title-level="${ifDefined(args.titleLevel)}"
 >
-    ${unsafeHTML(args.title)} 
+    ${unsafeHTML(args.title)}
 	${unsafeHTML(args.subtitle)}
     ${unsafeHTML(args.default)}
 </ui5-illustrated-message>`;
diff --git a/packages/playground/build-scripts-storybook/samples-prepare.js b/packages/playground/build-scripts-storybook/samples-prepare.js
index 48f605ecacaa..0176229d25c8 100644
--- a/packages/playground/build-scripts-storybook/samples-prepare.js
+++ b/packages/playground/build-scripts-storybook/samples-prepare.js
@@ -2,6 +2,8 @@ const fs = require('fs/promises');
 const path = require('path');
 
 const STORIES_ROOT_FOLDER_NAME = '../_stories';
+const NUMERIC_TYPES = ["sap.ui.webc.base.types.Integer", "sap.ui.webc.base.types.Float"];
+const STRING_TYPES = ["sap.ui.webc.base.types.CSSColor", "sap.ui.webc.base.types.DOMReference"];
 
 // run the script to generate the argTypes for the stories available in the _stories folder
 const main = async () => {
@@ -73,6 +75,18 @@ export type StoryArgsSlots = {
 						control: "select",
 						options: typeEnum.properties.map(a => a.type),
 					};
+				} else if (NUMERIC_TYPES.includes(typeEnum?.name)) {
+					args[prop.name] = {
+						control: {
+							type: "number"
+						},
+					};
+				} else if (STRING_TYPES.includes(typeEnum?.name)) {
+					args[prop.name] = {
+						control: {
+							type: "text"
+						},
+					};
 				}
 			}
 		});
diff --git a/packages/playground/package.json b/packages/playground/package.json
index 4be93e5d7d19..6f1983364717 100644
--- a/packages/playground/package.json
+++ b/packages/playground/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ui5/webcomponents-playground",
   "private": true,
-  "version": "1.19.0",
+  "version": "1.20.0-rc.0",
   "description": "UI5 Web Components Playground",
   "author": "SAP SE (https://www.sap.com)",
   "license": "Apache-2.0",
diff --git a/packages/theming/CHANGELOG.md b/packages/theming/CHANGELOG.md
index 932394920814..b80c646ceab2 100644
--- a/packages/theming/CHANGELOG.md
+++ b/packages/theming/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.20.0-rc.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0...v1.20.0-rc.0) (2023-11-09)
+
+**Note:** Version bump only for package @ui5/webcomponents-theming
+
+
+
+
+
 # [1.19.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0-rc.3...v1.19.0) (2023-11-02)
 
 **Note:** Version bump only for package @ui5/webcomponents-theming
diff --git a/packages/theming/package.json b/packages/theming/package.json
index 93118191883c..8d03c45abf4e 100644
--- a/packages/theming/package.json
+++ b/packages/theming/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ui5/webcomponents-theming",
-  "version": "1.19.0",
+  "version": "1.20.0-rc.0",
   "description": "UI5 Web Components: webcomponents.theming",
   "author": "SAP SE (https://www.sap.com)",
   "license": "Apache-2.0",
@@ -30,10 +30,10 @@
   },
   "dependencies": {
     "@sap-theming/theming-base-content": "11.6.8",
-    "@ui5/webcomponents-base": "1.19.0"
+    "@ui5/webcomponents-base": "1.20.0-rc.0"
   },
   "devDependencies": {
-    "@ui5/webcomponents-tools": "1.19.0",
+    "@ui5/webcomponents-tools": "1.20.0-rc.0",
     "cssnano": "^6.0.1",
     "globby": "^13.1.1",
     "json-beautify": "^1.1.1",
diff --git a/packages/tools/CHANGELOG.md b/packages/tools/CHANGELOG.md
index cbfe5195ae38..9529819f07a1 100644
--- a/packages/tools/CHANGELOG.md
+++ b/packages/tools/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [1.20.0-rc.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0...v1.20.0-rc.0) (2023-11-09)
+
+**Note:** Version bump only for package @ui5/webcomponents-tools
+
+
+
+
+
 # [1.19.0](https://github.com/SAP/ui5-webcomponents/compare/v1.19.0-rc.3...v1.19.0) (2023-11-02)
 
 **Note:** Version bump only for package @ui5/webcomponents-tools
diff --git a/packages/tools/lib/generate-json-imports/i18n.js b/packages/tools/lib/generate-json-imports/i18n.js
index 0e262ecdd3f5..b6d01139c5f9 100644
--- a/packages/tools/lib/generate-json-imports/i18n.js
+++ b/packages/tools/lib/generate-json-imports/i18n.js
@@ -56,7 +56,7 @@ localeIds.forEach(localeId => {
 `;
 
 		// Actual imports for json assets
-		const dynamicImportsString = languages.map(key => `		case "${key}": return (await import("../assets/i18n/messagebundle_${key}.json")).default;`).join("\n");
+		const dynamicImportsString = languages.map(key => `		case "${key}": return (await import(/* webpackChunkName: "${packageName.replace("@", "").replace("/", "-")}-messagebundle-${key}" */ "../assets/i18n/messagebundle_${key}.json")).default;`).join("\n");
 
 		// Resulting file content
 		contentDynamic = `import { registerI18nLoader } from "@ui5/webcomponents-base/dist/asset-registries/i18n.js";
diff --git a/packages/tools/lib/generate-json-imports/themes.js b/packages/tools/lib/generate-json-imports/themes.js
index 03fed6e8daeb..90e5edfbaf09 100644
--- a/packages/tools/lib/generate-json-imports/themes.js
+++ b/packages/tools/lib/generate-json-imports/themes.js
@@ -22,7 +22,7 @@ const generate = async () => {
 	const importLines = themesOnFileSystem.map(theme => `import ${theme} from "../assets/themes/${theme}/parameters-bundle.css.json";`).join("\n");
 	const themeUrlsByName = "{\n" + themesOnFileSystem.join(",\n") + "\n}";
 	const availableThemesArray = `[${themesOnFileSystem.map(theme => `"${theme}"`).join(", ")}]`;
-	const dynamicImportLines = themesOnFileSystem.map(theme => `\t\tcase "${theme}": return (await import("../assets/themes/${theme}/parameters-bundle.css.json")).default;`).join("\n");
+	const dynamicImportLines = themesOnFileSystem.map(theme => `\t\tcase "${theme}": return (await import(/* webpackChunkName: "${packageName.replace("@", "").replace("/", "-")}-${theme.replace("_", "-")}-parameters-bundle" */"../assets/themes/${theme}/parameters-bundle.css.json")).default;`).join("\n");
 
 
 // static imports file content
diff --git a/packages/tools/package.json b/packages/tools/package.json
index 4378d50cf9a3..b7cb2bbdf2ac 100644
--- a/packages/tools/package.json
+++ b/packages/tools/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ui5/webcomponents-tools",
-  "version": "1.19.0",
+  "version": "1.20.0-rc.0",
   "description": "UI5 Web Components: webcomponents.tools",
   "author": "SAP SE (https://www.sap.com)",
   "license": "Apache-2.0",