Am 29. May, 2022 schwätzte Keith Smith via PLUG-discuss so:

moin moin Keith,

> Any recommendations what support groups I might join for making WordPress 
> plugins?

Before the pandemic there was a WordPress group that met at Gangplank. I'm
pretty certain they also have a list/forum.

They were really, really into WordPress and talked of development.

ciao,

der.hans
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