Update compatibility and document fabric-only support for Reanimated 4 (#6914)

Updating compatibility info on Reanimated 4 pages.

Author: kmagiera

packages/docs-reanimated/docs/css-animations/_category_.json

@@ -4,4 +4,4 @@
   "link": {
     "type": "generated-index"
   }
-}
+}

packages/docs-reanimated/docs/css-transitions/_category_.json

@@ -4,4 +4,4 @@
   "link": {
     "type": "generated-index"
   }
-}
+}

packages/docs-reanimated/docs/fundamentals/getting-started.mdx

@@ -15,6 +15,11 @@ React Native Reanimated is a powerful animation library built by [Software Mansi
 
 With Reanimated, you can easily create smooth animations and interactions that run on the [UI thread](/docs/fundamentals/glossary#ui-thread).
 
+## Prerequisites
+
+Reanimated 4.x works only with [the React Native New Architecture (Fabric)](https://reactnative.dev/architecture/landing-page).
+If your app still uses the old architecture, you can use Reanimated in version 3 which is still actively maintained.
+
 ## Quick start
 
 If you don't have an existing project, you can create a new Expo app using a template:

packages/docs-reanimated/docs/guides/compatibility.mdx

@@ -5,40 +5,12 @@ sidebar_label: Compatibility
 
 # Compatibility table
 
-### Currently supported React Native versions (Paper)
-
-<div className="compatibility">
-
-|                                      | 0.63   | 0.64   | 0.65   | 0.66   | 0.67   | 0.68   | 0.69   | 0.70   | 0.71   | 0.72   | 0.73   | 0.74   | 0.75   | 0.76   | 0.77   |
-| ------------------------------------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ |
-| <Version version="3.17.0-nightly"/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <Yes/> | <Yes/> | <Yes/> | <Yes/> |
-| <Version version="3.16.7"/>          | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> |
-| <Version version="3.16.0 – 3.16.6"/> | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <No/>  |
-| <Version version="3.15.x"/>          | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <No/>  | <No/>  |
-| <Version version="3.9.x – 3.14.x"/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <No/>  | <No/>  | <No/>  |
-| <Version version="3.6.x – 3.8.x"/>   | <No/>  | <No/>  | <No/>  | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <No/>  | <No/>  | <No/>  | <No/>  |
-| <Version version="3.5.x"/>           | <No/>  | <No/>  | <No/>  | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  |
-| <Version version="3.3.x – 3.4.x"/>   | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  |
-| <Version version="3.0.x – 3.2.x"/>   | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  |
-| <Spacer/>                            |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |
-| <Version version="2.14.x – 2.17.x"/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  |
-| <Version version="2.11.x – 2.13.x"/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  |
-| <Version version="2.10.x"/>          | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  |
-| <Version version="2.5.x – 2.9.x"/>   | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  |
-| <Version version="2.3.x – 2.4.x"/>   | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <Yes/> | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  | <No/>  |
-
-</div>
-
 :::info
-Reanimated 2 won't receive support for newest React Native versions. To get the latest React Native features and updates, upgrade to Reanimated 3.
+Reanimated 4 works only with the React Native New Architecture. If your app still uses the old architecture, you can use Reanimated in version 3 which is still actively maintained.
 :::
 
 ### Supported React Native versions on the New Architecture (Fabric)
 
-To use Reanimated with [the New Architecture](https://reactnative.dev/docs/the-new-architecture/landing-page), update the package to at least version 3.0.0.
-
-Reanimated supports the [bridgeless mode](https://github.com/reactwg/react-native-new-architecture/discussions/154).
-
 <div className="compatibility">
 
 |                                      | 0.63  | 0.64  | 0.65  | 0.66  | 0.67  | 0.68  | 0.69  | 0.70  | 0.71   | 0.72   | 0.73   | 0.74   | 0.75   | 0.76   | 0.77   |