SIGSEGV after ~254 times calling "callFrontendJs" / "callJs" when threads enabled and using "--gc:refc" about nimview HOT 5 CLOSED

Only happens on linux and on windows with -d:release when default gc is used.
No issue anymore when compiling with threads:off, -d:useWebviewSingleThreaded or when using --gc:orc --deepCopy:on.

Edit:
I'm currently not working on this anymore as this seems to be hard to fix (for me).
This is most likely connected to the (old) Nim garbage collector and some unsafe calls to a global "var" from thread.

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Resolved it by refactoring globals and storage.
Will be resolved in 0.4.1

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Only happens when threads are enabled and default gc is used. Workaround: use --gc:orc

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Found some issue when using single-thread and httpserver mode. Fixed for current main branch.

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This is probably not fixable in any easy way.
I added a warning in "callJs" if threads are active and orc/arc is not the current gc/mm.

Closing this as there probably won't be any fix in future.

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