diff --git a/demo_app/pubspec.lock b/demo_app/pubspec.lock
index da4844214..c8fa787de 100644
--- a/demo_app/pubspec.lock
+++ b/demo_app/pubspec.lock
@@ -294,14 +294,14 @@ packages:
       path: "../packages/enhanced"
       relative: true
     source: path
-    version: "0.15.3"
+    version: "0.16.0"
   flutter_widget_from_html_core:
     dependency: "direct main"
     description:
       path: "../packages/core"
       relative: true
     source: path
-    version: "0.15.2"
+    version: "0.16.0"
   frontend_server_client:
     dependency: transitive
     description:
@@ -316,42 +316,42 @@ packages:
       path: "../packages/fwfh_cached_network_image"
       relative: true
     source: path
-    version: "0.14.3"
+    version: "0.16.0"
   fwfh_chewie:
     dependency: "direct main"
     description:
       path: "../packages/fwfh_chewie"
       relative: true
     source: path
-    version: "0.14.8"
+    version: "0.16.0"
   fwfh_just_audio:
     dependency: "direct overridden"
     description:
       path: "../packages/fwfh_just_audio"
       relative: true
     source: path
-    version: "0.15.2"
+    version: "0.16.0"
   fwfh_svg:
     dependency: "direct overridden"
     description:
       path: "../packages/fwfh_svg"
       relative: true
     source: path
-    version: "0.8.3"
+    version: "0.16.0"
   fwfh_url_launcher:
     dependency: "direct overridden"
     description:
       path: "../packages/fwfh_url_launcher"
       relative: true
     source: path
-    version: "0.9.1"
+    version: "0.16.0"
   fwfh_webview:
     dependency: "direct main"
     description:
       path: "../packages/fwfh_webview"
       relative: true
     source: path
-    version: "0.15.3"
+    version: "0.15.4"
   glob:
     dependency: transitive
     description:
@@ -1169,10 +1169,10 @@ packages:
     dependency: transitive
     description:
       name: win32
-      sha256: daf97c9d80197ed7b619040e86c8ab9a9dad285e7671ee7390f9180cc828a51e
+      sha256: b89e6e24d1454e149ab20fbb225af58660f0c0bf4475544650700d8e2da54aef
       url: "https://pub.dev"
     source: hosted
-    version: "5.10.1"
+    version: "5.11.0"
   xdg_directories:
     dependency: transitive
     description:
diff --git a/packages/core/CHANGELOG.md b/packages/core/CHANGELOG.md
index b1aaf5031..fd628a459 100644
--- a/packages/core/CHANGELOG.md
+++ b/packages/core/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.16.0
+
+- Requires Flutter 3.22 (#1403)
+- Add support for CSS `gap` (#1403)
+
 ## 0.15.2
 
 - Add support for Flutter 3.24 (#1308)
@@ -7,7 +12,7 @@
 
 ## 0.15.1
 
-- Drop support for Flutter 3.7 (#1250)
+- Requires Flutter 3.10 (#1250)
 - Add support for `currentcolor` (#1240)
 - Fix zero size image (#1266)
 
diff --git a/packages/core/README.md b/packages/core/README.md
index cc3385044..8665350eb 100644
--- a/packages/core/README.md
+++ b/packages/core/README.md
@@ -17,7 +17,7 @@ Add this to your app's `pubspec.yaml` file:
 
 ```yaml
 dependencies:
-  flutter_widget_from_html_core: ^0.15.2
+  flutter_widget_from_html_core: ^0.16.0
 ```
 
 ## Usage
@@ -146,12 +146,13 @@ These tags and their contents will be ignored:
   - In `flex` mode:
     - flex-direction: column/row
     - align-items: flex-start/flex-end/center/baseline/stretch
+    - gap: value in `em`, `%`, `pt` and `px`
     - justify-content: flex-start/flex-end/center/space-between/space-around/space-evenly
 - font-family
 - font-size: absolute (e.g. `xx-large`), relative (`larger`, `smaller`) or values in `em`, `%`, `pt` and `px`
 - font-style: italic/normal
 - font-weight: bold/normal/100..900
-- line-height: `normal`, number or values in `em`, `%`, `pt` and `px`
+- line-height: `normal`, number or value in `em`, `%`, `pt` and `px`
 - margin: 4 values, 2 values or 1 value in `em`, `pt` and `px`
   - margin-top, margin-right, margin-bottom, margin-left
   - margin-block-start, margin-block-end
diff --git a/packages/core/pubspec.yaml b/packages/core/pubspec.yaml
index f8d401159..5569e06cd 100644
--- a/packages/core/pubspec.yaml
+++ b/packages/core/pubspec.yaml
@@ -1,5 +1,5 @@
 name: flutter_widget_from_html_core
-version: 0.15.2
+version: 0.16.0
 description: Flutter package to render html as widgets that focuses on correctness and extensibility.
 homepage: https://github.com/daohoangson/flutter_widget_from_html/tree/master/packages/core
 
diff --git a/packages/enhanced/CHANGELOG.md b/packages/enhanced/CHANGELOG.md
index ac3dc9a92..187d4cd37 100644
--- a/packages/enhanced/CHANGELOG.md
+++ b/packages/enhanced/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.16.0
+
+- Requires Flutter 3.22 (#1403)
+- Add support for CSS `gap` (#1403)
+
 ## 0.15.3
 
 - Add support for webview_flutter_android@4 (#1366)
@@ -12,7 +17,6 @@
 
 ## 0.15.1
 
-- Drop support for Flutter 3.7 (#1250)
 - Add support for `currentcolor` (#1240)
 - Fix zero size image (#1266)
 - Replace webview timers with ResizeObserver (#1241)
diff --git a/packages/enhanced/README.md b/packages/enhanced/README.md
index a646033b4..b229755fb 100644
--- a/packages/enhanced/README.md
+++ b/packages/enhanced/README.md
@@ -27,7 +27,7 @@ Add this to your app's `pubspec.yaml` file:
 
 ```yaml
 dependencies:
-  flutter_widget_from_html: ^0.15.3
+  flutter_widget_from_html: ^0.16.0
 ```
 
 ### Platform specific configuration
@@ -166,12 +166,13 @@ These tags and their contents will be ignored:
   - In `flex` mode:
     - flex-direction: column/row
     - align-items: flex-start/flex-end/center/baseline/stretch
+    - gap: value in `em`, `%`, `pt` and `px`
     - justify-content: flex-start/flex-end/center/space-between/space-around/space-evenly
 - font-family
 - font-size: absolute (e.g. `xx-large`), relative (`larger`, `smaller`) or values in `em`, `%`, `pt` and `px`
 - font-style: italic/normal
 - font-weight: bold/normal/100..900
-- line-height: `normal`, number or values in `em`, `%`, `pt` and `px`
+- line-height: `normal`, number or value in `em`, `%`, `pt` and `px`
 - margin: 4 values, 2 values or 1 value in `em`, `pt` and `px`
   - margin-top, margin-right, margin-bottom, margin-left
   - margin-block-start, margin-block-end
diff --git a/packages/enhanced/pubspec.yaml b/packages/enhanced/pubspec.yaml
index 7d5697b6f..5d79c0d97 100644
--- a/packages/enhanced/pubspec.yaml
+++ b/packages/enhanced/pubspec.yaml
@@ -1,22 +1,22 @@
 name: flutter_widget_from_html
-version: 0.15.3
+version: 0.16.0
 description: Flutter package to render html as widgets that supports hyperlink, image, audio, video, iframe and many other tags.
 homepage: https://github.com/daohoangson/flutter_widget_from_html
 
 environment:
-  flutter: ">=3.16.0"
-  sdk: ">=3.2.0 <4.0.0"
+  flutter: ">=3.22.0"
+  sdk: ">=3.4.0 <4.0.0"
 
 dependencies:
   flutter:
     sdk: flutter
-  flutter_widget_from_html_core: ^0.15.2
-  fwfh_cached_network_image: ^0.14.3
-  fwfh_chewie: ^0.14.8
-  fwfh_just_audio: ^0.15.2
-  fwfh_svg: ^0.8.3
-  fwfh_url_launcher: ^0.9.1
-  fwfh_webview: ^0.15.3
+  flutter_widget_from_html_core: ^0.16.0
+  fwfh_cached_network_image: ^0.16.0
+  fwfh_chewie: ^0.16.0
+  fwfh_just_audio: ^0.16.0
+  fwfh_svg: ^0.16.0
+  fwfh_url_launcher: ^0.16.0
+  fwfh_webview: ^0.15.4
   html: ^0.15.0
 
 dependency_overrides:
@@ -36,6 +36,10 @@ dependency_overrides:
     path: ../fwfh_webview
 
 dev_dependencies:
+  # trick Flutter@3.22 to use chewie@1.7.5
+  # otherwise it will install v1.8.7 which is in fact incompatible with Flutter@3.22
+  # TODO: remove this when our minimum Flutter version >= 3.24
+  chewie: ^1.7.5
   file:
   flutter_test:
     sdk: flutter
diff --git a/packages/fwfh_cached_network_image/CHANGELOG.md b/packages/fwfh_cached_network_image/CHANGELOG.md
index 7dbc95767..f596133de 100644
--- a/packages/fwfh_cached_network_image/CHANGELOG.md
+++ b/packages/fwfh_cached_network_image/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.16.0
+
+- Requires Flutter 3.10 (#1396)
+- Add support for flutter_widget_from_html_core@0.16.0 (#1405)
+
 ## 0.14.3
 
 - Add support for flutter_widget_from_html_core@0.15.1 (#1269)
diff --git a/packages/fwfh_cached_network_image/README.md b/packages/fwfh_cached_network_image/README.md
index 87c58b9f4..7186f83b6 100644
--- a/packages/fwfh_cached_network_image/README.md
+++ b/packages/fwfh_cached_network_image/README.md
@@ -14,7 +14,7 @@ Add this to your app's `pubspec.yaml` file:
 ```yaml
 dependencies:
   flutter_widget_from_html_core: any
-  fwfh_cached_network_image: ^0.14.3
+  fwfh_cached_network_image: ^0.16.0
 ```
 
 ## Usage
diff --git a/packages/fwfh_cached_network_image/pubspec.yaml b/packages/fwfh_cached_network_image/pubspec.yaml
index d41364190..f8bd2ab7a 100644
--- a/packages/fwfh_cached_network_image/pubspec.yaml
+++ b/packages/fwfh_cached_network_image/pubspec.yaml
@@ -1,5 +1,5 @@
 name: fwfh_cached_network_image
-version: 0.14.3
+version: 0.16.0
 description: WidgetFactory extension to render IMG with cached_network_image plugin.
 homepage: https://github.com/daohoangson/flutter_widget_from_html
 
@@ -12,7 +12,7 @@ dependencies:
   flutter:
     sdk: flutter
   flutter_cache_manager: ^3.0.0
-  flutter_widget_from_html_core: ">=0.8.0 <0.16.0"
+  flutter_widget_from_html_core: ">=0.8.0 <0.17.0"
 
 dependency_overrides:
   flutter_widget_from_html_core:
diff --git a/packages/fwfh_chewie/CHANGELOG.md b/packages/fwfh_chewie/CHANGELOG.md
index 5eb7dd48d..10f1b2c7d 100644
--- a/packages/fwfh_chewie/CHANGELOG.md
+++ b/packages/fwfh_chewie/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.16.0
+
+- Requires Flutter 3.10 (#1396)
+- Add support for flutter_widget_from_html_core@0.16.0 (#1405)
+
 ## 0.14.8
 
 - Add support for flutter_widget_from_html_core@0.15.1 (#1269)
diff --git a/packages/fwfh_chewie/README.md b/packages/fwfh_chewie/README.md
index 0b749158e..5c47beda3 100644
--- a/packages/fwfh_chewie/README.md
+++ b/packages/fwfh_chewie/README.md
@@ -16,7 +16,7 @@ Add this to your app's `pubspec.yaml` file:
 ```yaml
 dependencies:
   flutter_widget_from_html_core: any
-  fwfh_chewie: ^0.14.8
+  fwfh_chewie: ^0.16.0
 ```
 
 ## Usage
diff --git a/packages/fwfh_chewie/pubspec.yaml b/packages/fwfh_chewie/pubspec.yaml
index c39888fd0..4f8ebb16f 100644
--- a/packages/fwfh_chewie/pubspec.yaml
+++ b/packages/fwfh_chewie/pubspec.yaml
@@ -1,5 +1,5 @@
 name: fwfh_chewie
-version: 0.14.8
+version: 0.16.0
 description: WidgetFactory extension to render VIDEO with the chewie plugin.
 homepage: https://github.com/daohoangson/flutter_widget_from_html
 
@@ -11,7 +11,7 @@ dependencies:
   chewie: ^1.3.0
   flutter:
     sdk: flutter
-  flutter_widget_from_html_core: ">=0.14.2 <0.16.0"
+  flutter_widget_from_html_core: ">=0.14.2 <0.17.0"
   video_player: ^2.2.9
 
 dependency_overrides:
diff --git a/packages/fwfh_just_audio/CHANGELOG.md b/packages/fwfh_just_audio/CHANGELOG.md
index 50880f377..9b23a858b 100644
--- a/packages/fwfh_just_audio/CHANGELOG.md
+++ b/packages/fwfh_just_audio/CHANGELOG.md
@@ -1,10 +1,15 @@
+## 0.16.0
+
+- Requires Flutter 3.10 (#1396)
+- Add support for flutter_widget_from_html_core@0.16.0 (#1405)
+
 ## 0.15.2
 
 - Fix unnamed function parameters (#1309, authored by hassony105)
 
 ## 0.15.1
 
-- Drop support for Flutter@3.7 (#1250)
+- Requires Flutter 3.10 (#1250)
 - Add support for flutter_widget_from_html_core@0.15.1 (#1269)
 
 ## 0.14.3
diff --git a/packages/fwfh_just_audio/README.md b/packages/fwfh_just_audio/README.md
index 022cf2786..8e7a41e17 100644
--- a/packages/fwfh_just_audio/README.md
+++ b/packages/fwfh_just_audio/README.md
@@ -16,7 +16,7 @@ Add this to your app's `pubspec.yaml` file:
 ```yaml
 dependencies:
   flutter_widget_from_html_core: any
-  fwfh_just_audio: ^0.15.2
+  fwfh_just_audio: ^0.16.0
 ```
 
 ### Platform specific configuration
diff --git a/packages/fwfh_just_audio/pubspec.yaml b/packages/fwfh_just_audio/pubspec.yaml
index 214d8ab42..84cdb5cc2 100644
--- a/packages/fwfh_just_audio/pubspec.yaml
+++ b/packages/fwfh_just_audio/pubspec.yaml
@@ -1,5 +1,5 @@
 name: fwfh_just_audio
-version: 0.15.2
+version: 0.16.0
 description: WidgetFactory extension to render AUDIO with the just_audio plugin.
 homepage: https://github.com/daohoangson/flutter_widget_from_html
 
@@ -10,7 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  flutter_widget_from_html_core: ">=0.8.0 <0.16.0"
+  flutter_widget_from_html_core: ">=0.8.0 <0.17.0"
   just_audio: ">=0.9.0 <0.10.0"
 
 dependency_overrides:
diff --git a/packages/fwfh_svg/CHANGELOG.md b/packages/fwfh_svg/CHANGELOG.md
index 19a180cf3..4387d3789 100644
--- a/packages/fwfh_svg/CHANGELOG.md
+++ b/packages/fwfh_svg/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.16.0
+
+- Requires Flutter 3.10 (#1396)
+- Add support for flutter_widget_from_html_core@0.16.0 (#1405)
+
 ## 0.8.3
 
 - Fix unnamed function parameters (#1309, authored by hassony105)
diff --git a/packages/fwfh_svg/README.md b/packages/fwfh_svg/README.md
index 99df91f50..1e6a0a679 100644
--- a/packages/fwfh_svg/README.md
+++ b/packages/fwfh_svg/README.md
@@ -14,7 +14,7 @@ Add this to your app's `pubspec.yaml` file:
 ```yaml
 dependencies:
   flutter_widget_from_html_core: any
-  fwfh_svg: ^0.8.3
+  fwfh_svg: ^0.16.0
 ```
 
 ## Usage
diff --git a/packages/fwfh_svg/pubspec.yaml b/packages/fwfh_svg/pubspec.yaml
index ad15a80ca..1a29f285b 100644
--- a/packages/fwfh_svg/pubspec.yaml
+++ b/packages/fwfh_svg/pubspec.yaml
@@ -1,5 +1,5 @@
 name: fwfh_svg
-version: 0.8.3
+version: 0.16.0
 description: WidgetFactory extension to render SVG with flutter_svg plugin.
 homepage: https://github.com/daohoangson/flutter_widget_from_html
 
@@ -11,7 +11,7 @@ dependencies:
   flutter:
     sdk: flutter
   flutter_svg: ^2.0.0
-  flutter_widget_from_html_core: ">=0.8.0 <0.16.0"
+  flutter_widget_from_html_core: ">=0.8.0 <0.17.0"
 
 dependency_overrides:
   flutter_widget_from_html_core:
diff --git a/packages/fwfh_url_launcher/CHANGELOG.md b/packages/fwfh_url_launcher/CHANGELOG.md
index 7a984725b..9f5147b76 100644
--- a/packages/fwfh_url_launcher/CHANGELOG.md
+++ b/packages/fwfh_url_launcher/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.16.0
+
+- Requires Flutter 3.10 (#1396)
+- Add support for flutter_widget_from_html_core@0.16.0 (#1405)
+
 ## 0.9.1
 
 - Add support for flutter_widget_from_html_core@0.15.1 (#1269)
diff --git a/packages/fwfh_url_launcher/README.md b/packages/fwfh_url_launcher/README.md
index 6b6529a0a..b69f48b5c 100644
--- a/packages/fwfh_url_launcher/README.md
+++ b/packages/fwfh_url_launcher/README.md
@@ -14,7 +14,7 @@ Add this to your app's `pubspec.yaml` file:
 ```yaml
 dependencies:
   flutter_widget_from_html_core: any
-  fwfh_url_launcher: ^0.9.1
+  fwfh_url_launcher: ^0.16.0
 ```
 
 ## Usage
diff --git a/packages/fwfh_url_launcher/pubspec.yaml b/packages/fwfh_url_launcher/pubspec.yaml
index 115864658..6000bd9a7 100644
--- a/packages/fwfh_url_launcher/pubspec.yaml
+++ b/packages/fwfh_url_launcher/pubspec.yaml
@@ -1,5 +1,5 @@
 name: fwfh_url_launcher
-version: 0.9.1
+version: 0.16.0
 description: WidgetFactory extension to launch A tag via url_launcher plugin.
 homepage: https://github.com/daohoangson/flutter_widget_from_html
 
@@ -10,7 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  flutter_widget_from_html_core: ">=0.8.0 <0.16.0"
+  flutter_widget_from_html_core: ">=0.8.0 <0.17.0"
   url_launcher: ^6.1.0
 
 dependency_overrides:
diff --git a/packages/fwfh_webview/CHANGELOG.md b/packages/fwfh_webview/CHANGELOG.md
index 8856604a7..edca9039d 100644
--- a/packages/fwfh_webview/CHANGELOG.md
+++ b/packages/fwfh_webview/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.15.4
+
+- Add support for flutter_widget_from_html_core@0.16.0 (#1405)
+
 ## 0.15.3
 
 - Add support for webview_flutter_android@4 (#1366)
diff --git a/packages/fwfh_webview/README.md b/packages/fwfh_webview/README.md
index 32dd3bd6f..84a382fec 100644
--- a/packages/fwfh_webview/README.md
+++ b/packages/fwfh_webview/README.md
@@ -16,7 +16,7 @@ Add this to your app's `pubspec.yaml` file:
 ```yaml
 dependencies:
   flutter_widget_from_html_core: any
-  fwfh_webview: ^0.15.3
+  fwfh_webview: ^0.15.4
 ```
 
 ## Usage
diff --git a/packages/fwfh_webview/pubspec.yaml b/packages/fwfh_webview/pubspec.yaml
index bc6d9c721..c844f9d63 100644
--- a/packages/fwfh_webview/pubspec.yaml
+++ b/packages/fwfh_webview/pubspec.yaml
@@ -1,5 +1,5 @@
 name: fwfh_webview
-version: 0.15.3
+version: 0.15.4
 description: WidgetFactory extension to render IFRAME with the official WebView plugin.
 homepage: https://github.com/daohoangson/flutter_widget_from_html
 
@@ -10,7 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  flutter_widget_from_html_core: ">=0.10.5 <0.16.0"
+  flutter_widget_from_html_core: ">=0.10.5 <0.17.0"
   logging: ^1.0.0
   web: ">=0.3.0 <2.0.0"
   webview_flutter: ^4.0.1