Improve readme

Author: SerafimArts

Writerside/topics/configuration.md

@@ -300,6 +300,12 @@ $windowConfig = new Boson\Window\WindowCreateInfo(
 );
 ```
 
+<warning>
+MacOS/WebKit: Does not allow to control hardware-acceleration.
+
+This configuration option has no effect.
+</warning>
+
 <warning>
 The value cannot be changed after the application is created.
 </warning>

Writerside/topics/getting-started/installation.md

@@ -243,8 +243,17 @@ Make sure that GTK4 is installed.
 <tabs>
 <tab title="Linux (Debian)">
 <code-block lang="bash">
-sudo apt update
-sudo apt install libwebkitgtk-6.0-4
+apt install libgtk-4-1 libwebkitgtk-6.0-4
+</code-block>
+</tab>
+<tab title="Linux (Fedora)">
+<code-block lang="bash">
+dnf install gtk4 webkitgtk6.0
+</code-block>
+</tab>
+<tab title="Linux (FreeBSD)">
+<code-block lang="bash">
+pkg install webkit2-gtk4
 </code-block>
 </tab>
 </tabs>

Writerside/topics/webview.md

@@ -171,6 +171,18 @@ class WebViewDomReady<WebView>
 An `Boson\WebView\Event\WebViewFaviconChanging` intention to change the 
 window's icon from loaded HTML content.
 
+<warning>
+Linux/GTK4: An intention does not change the windows icon.
+
+Icon change intention has no effect.
+</warning>
+
+<warning>
+MacOS/WebKit: Provides no way to access favicons.
+
+Icon change intention has no effect.
+</warning>
+
 ```php
 class WebViewFaviconChanging<WebView>
 ```

Writerside/topics/window.md

@@ -475,6 +475,13 @@ The maximum size is typically limited by the screen resolution. Setting a value
 larger than the screen size may not have the desired effect.
 </note>
 
+<warning>
+Linux/GTK4: Not supported because X11-specific functions such as 
+<code>gtk_window_set_geometry_hints</code> were removed. 
+
+This option has no effect.
+</warning>
+
 <warning>
 Window max size must be non-negative <code>int32</code> (an integer value 
 between 0 and 2147483647).
@@ -640,6 +647,12 @@ Windows can be given input focus and brought to the front with
 $window->focus();
 ```
 
+<warning>
+Linux/GTK4: There is no way to artificially focus the window.
+
+This method has no effect.
+</warning>
+
 <warning>
 Keep in mind that it can be very disruptive to the user when a window is 
 forced to the top. Please use this feature judiciously.
@@ -672,6 +685,12 @@ $window->isAlwaysOnTop = true;
 $window->isAlwaysOnTop = false;
 ```
 
+<warning>
+Linux/GTK4: There is no way to artificially set window always on top.
+
+This method has no effect.
+</warning>
+
 <warning>
 Windows that are always on top may interfere with normal window management 
 and user interaction. Please use this feature judiciously.