Thread: New version of DRM removal tools ("DeDRM")
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Old 10-16-2020, 08:11 AM   #1124
jhowell
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Posts: 7,117
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Join Date: Nov 2011
Location: Charlottesville, VA
Device: Kindles
Quote:
Originally Posted by Thasaidon View Post
What is the oldest version of Calibre still in regular use as a main book repositry?
It doesn't answer your exact question, but you can get some related information on the calibre Usage statistics page. Scroll down to "Most popular versions (Top 20)".

In that list the oldest version is 3.34. Any version older than that is used by well under 1% of calibre users.

(The newest version listed is 4.10 so it appears that this list is no longer being updated.)
Last edited by jhowell; 10-16-2020 at 08:17 AM.
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