Adobe Photoshop

I found a decent release history source here:

Nice! Sometimes I’ll just check WinWorld for general release dates, but this is way more specific (and cited…)

I should think to check wikis on fandom.com more often. There’s a really thorough Apple one too, I bet there are more:
https://apple.fandom.com/wiki/List_of_Mac_OS_versions

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The wikipedia page is pretty useless pre CS (which is a call for me/someone to update it!)