Speed up scene group scanning for text scenes #93723
Merged
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Changes how text scenes are scanned for groups. If the scene is not already loaded, it's loaded as text and parsed manually. It results in visible speedup especially in case of heavy scenes, though not sure if 100% reliable.
Scene group cache has been a source for various performance bugs. Even if they are fixed, the impact can still be noticeable. Which is why we discussed removing the cache completely as an alternative solution. It's not crucial for global groups and the benefits it brings are overshadowed by performance problems.
For now I went with this solution though.