feat: update Kotlin roadmap Feb 2025 (#4722)

* update: update language features and proposals state

* update: update the Kotlin Roadmap Feb 2025

* Added new items KT links, fixed year, link to the fresh Multiplatform blogpost

* update: add KT links, Ktor and Exposed parts

* Shortened wording for Ktor and Exposed sections, changed a link of the KMP roadmap

* update: add bells and whistles

---------

Co-authored-by: Evgenii Pavelev <[email protected]>

Author: koshachy

docs/topics/kotlin-language-features-and-proposals.md

@@ -304,19 +304,42 @@ guided by pragmatic design.
 </td>
 <td>
 
+**Java synthetic property references**
+
+* KEEP proposal: [references-to-java-synthetic-properties.md](https://github.com/Kotlin/KEEP/blob/master/proposals/references-to-java-synthetic-properties.md)
+* YouTrack issue: [KT-8575](https://youtrack.jetbrains.com/issue/KT-8575)
+* Target version: 2.2.0
+
+</td>
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+<!-- END OF KEEP DISCUSSION BLOCK -->
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+**In preview**
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+<td>
+
 **Guard conditions in when-with-subject**
 
 * KEEP proposal: [guards.md](https://github.com/Kotlin/KEEP/blob/guards/proposals/guards.md)
 * YouTrack issue: [KT-13626](https://youtrack.jetbrains.com/issue/KT-13626)
-* Target version: 2.1.0
+* Available since: 2.1.0
 
 </td>
 </tr>
 
-<tr filter="keep">
+<!-- the first td element should have the width="200" attribute -->
+
+<tr filter="in-preview">
 <td>
 
-**KEEP discussion**
+**In preview**
 
 </td>
 <td>
@@ -325,15 +348,15 @@ guided by pragmatic design.
 
 * KEEP proposal: [subclass-opt-in-required.md](https://github.com/Kotlin/KEEP/blob/master/proposals/subclass-opt-in-required.md)
 * YouTrack issue: [KT-54617](https://youtrack.jetbrains.com/issue/KT-54617)
-* Target version: 2.1.0
+* Available since: 2.1.0
 
 </td>
 </tr>
 
-<tr filter="keep">
+<tr filter="in-preview">
 <td>
 
-**KEEP discussion**
+**In preview**
 
 </td>
 <td>
@@ -342,15 +365,15 @@ guided by pragmatic design.
 
 * KEEP proposal: [dollar-escape.md](https://github.com/Kotlin/KEEP/blob/master/proposals/dollar-escape.md)
 * YouTrack issue: [KT-2425](https://youtrack.jetbrains.com/issue/KT-2425)
-* Target version: 2.1.0
+* Available since: 2.1.0
 
 </td>
 </tr>
 
-<tr filter="keep">
+<tr filter="in-preview">
 <td>
 
-**KEEP discussion**
+**In preview**
 
 </td>
 <td>
@@ -359,34 +382,11 @@ guided by pragmatic design.
 
 * KEEP proposal: [break-continue-in-inline-lambdas.md](https://github.com/Kotlin/KEEP/blob/master/proposals/break-continue-in-inline-lambdas.md)
 * YouTrack issue: [KT-1436](https://youtrack.jetbrains.com/issue/KT-1436)
-* Target version: 2.1.0
-
-</td>
-</tr>
-
-<tr filter="keep">
-<td>
-
-**KEEP discussion**
-
-</td>
-<td>
-
-**Java synthetic property references**
-
-* KEEP proposal: [references-to-java-synthetic-properties.md](https://github.com/Kotlin/KEEP/blob/master/proposals/references-to-java-synthetic-properties.md)
-* YouTrack issue: [KT-8575](https://youtrack.jetbrains.com/issue/KT-8575)
-* Target version: 2.1.0
+* Available since: 2.1.0
 
 </td>
 </tr>
 
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