Mention stable versions of blender in README

README.md

@@ -24,6 +24,8 @@ More in-depth information about the features of the add-on are available on the
 
 You can refer to the [Installation & Update Guide](https://github.com/mitsuba-renderer/mitsuba-blender/wiki/Installation-&-Update-Guide) on the wiki for more detailed instructions.
 
-### Requirements
+### Supported versions
 
-* `Blender >= 2.93`
+Blender version should be at least `2.93`. The addon has been extensively tested
+on LTS versions of blender (2.93, 3.3). We recommend using those whenever
+possible.