Added a warning to the collections part of the changelog

CHANGELOG.md

@@ -19,6 +19,8 @@ The current implementation does not include load order support. You will need to
 Linux users can now manage GOG games installed or imported using the [Heroic Launcher](https://heroicgameslauncher.com/) ([#2103](https://github.com/Nexus-Mods/NexusMods.App/pull/2103)). Due to technical limitations, we've disabled REDmod deployment for Cyberpunk 2077 using Heroic, but it's possible to have the launcher run this process when starting the game. [More Info.](https://nexus-mods.github.io/NexusMods.App/users/games/Cyberpunk2077/#automated-deployment-for-redmods)
 
 ### Collections
+**Warning: Collections support is still an experimental feature and may not work as expected. Please check the Known Issues section if you choose to install a collection.**
+
 In this build we've made further updates to the process of downloading and installing collections. The feature does not have parity with Vortex yet so cannot be used to install a collection fully. 
 
 ![The new collections tile available from the "Collections WIP" tab.](./docs/changelog-assets/8ed9a020e1532940c4d57a2753eae55a.webp)