4.18 Generating reflection code + parsing headers much slower?

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I’ve migrated a blueprint only project to 4.18 but have some plugins enabled and disabled so cooking and packaging requires C++ building and compiling.

On 4.17, I was seeing parse header + generate reflection code total time be around 10 seconds, but on 4.18 I’m now averaging around 30 seconds and sometimes peaking at 500 seconds just to get a ‘target is up to date’.

Machine specs have not changed.

Is there any known reason for this behavior? Is there anything I can do to reduce wait times?

2

Same here !
I’ve also noticed parsing a new c++ project I takes 25-30min instead of 5min in prvious version.
Another frustrating thing is when adding a new class , it opens a new instance of VS