Give it a try to 12.3 beta1. Well it might not get drastic changes,
there are a few improvements made unfortunately not as many as I'd liked.
https://github.com/apache/netbeans/pulls?q=is%3Apr+is%3Aclosed+milestone%3A12.3+label%3AGradle
Though even if it won't entirely resolve your issues this
Practically every day I am getting exceptions in my Netbeans 12 installation.
However, I was never been able to report them to Netbeans.
Whenever I do try I am getting the following:
[cid:image002.png@01D6F632.BDEA87B0]
Testing proxy connection gives me a green light and I do not have problems
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