|  06-25-2019, 11:07 AM | #1 | 
| Enthusiast  Posts: 30 Karma: 10 Join Date: Sep 2012 Device: None | 
				
				When is Calibre V.4 due? Expect some new features ?
			 
			
			I've read it somewhere here I think that Calibre Version 4 will do this and that? Any recent news on that? When approx. be out? (month/3 months/6 months time?) What will be new in V.4 Thank you in advance | 
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|  06-25-2019, 11:15 AM | #2 | 
| Well trained by Cats            Posts: 31,249 Karma: 61360164 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A | Moderator Notice Development is FOR developers of code, not for other kinds questions. Moved out of Development | 
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|  06-25-2019, 11:16 AM | #3 | 
| creator of calibre            Posts: 45,604 Karma: 28548974 Join Date: Oct 2006 Location: Mumbai, India Device: Various | 
			
			It's mostly under-the-hood work going on right now. Porting various bits of calibre from using Qt WebKit to Qt WebEngine and porting calibre to work with python3. The major user-visible change in v4 will be a totally re-written viewer, which will share the same codebase as the current content server viewer and gain support for annotations soo after 4.0 is released. As for an ETA -- a few months most likely. Depends on how many hurdles the porting work encounters. | 
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|  06-26-2019, 12:50 AM | #4 | 
| Enthusiast  Posts: 30 Karma: 10 Join Date: Sep 2012 Device: None | 
			
			appreciate very much all the best | 
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