Doc: Update README for v4.5

README.org

@@ -37,6 +37,7 @@
     - More dark mode support
     - GTK system theme support
     - Windows system theme support
+    - Mac system theme support
     - Windows7 compatibility
   - *Icons*
     - Panel
@@ -59,12 +60,15 @@
       - Adjust Color: Easily recognizable.
     - Unselect:
       - Divide Line: React to hover like chrome
+    - Unloaded:
+      - Dimmed: Looks like inactive 
     - Clipped:
       - Clearer Text: Adjusted clipped gradation
       - Closed Button: Visible on hover
     - Sound:
       - Remove Second Label
       - Show Favicon: Always show favicon
+      - PIP Icon
     - Container Tab:
       - Highlight line position: Displayed under tab.
   - *Button Design*
@@ -79,7 +83,7 @@
     - Illustrations: Restore error page illustrations
   - *Others*
     - Activate calculator at address bar
-    - Smooth Scrolling
+    - Animations
     - Mouse pointer for each context
 
 ** Installation Guide