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Kelzan - Whilst the name of the zip in the first post in the plugin thread can include version numbers, the cat's name, etc, etc, within an hour of uploading it will get 'renamed' within the plugin update process to the value of 'name' in __init_.py. And it is that name that users see in Preferences>Plugins, update notices etc, and in the calibre plugins folder in their configuration directory.
IMO putting extraneous verbiage in the name of the first post zip only serves to obfuscate matters. There have been several instances of mismatches between zip names and what's in __init__.py that have lead to confusion.
One thing you might want to do is put a Version History section at the end of the first post of your plugin - Example:
https://www.mobileread.com/forums/sh...d.php?t=337516.
Curious - how did you decide 0.7.53 was the latest calibre version for Audio M3U.
BR