Can I go from 4.21 straight to 5.28?

Loosheesh · 09-25-2021, 10:23 PM

I'm finally ready to upgrade - can I jump straight from 4.21 to 5.28?

theducks · 09-25-2021, 10:26 PM

AFAIK Calibre will migrate anything needed.
Be aware that the 5.x upgrade will no longer be fully compatible with 4.x (DB changes) BACKUP BACKUP BACKUP your libraries Just in case

Loosheesh · 09-25-2021, 10:37 PM

Quote:

Originally Posted by theducks

AFAIK Calibre will migrate anything needed.
Be aware that the 5.x upgrade will no longer be fully compatible with 4.x (DB changes) BACKUP BACKUP BACKUP your libraries Just in case

And yes, I'm actually backing up my libraries right now as I was waiting for a response

theducks · 09-25-2021, 10:42 PM

Quote:

Originally Posted by Loosheesh

And yes, I'm actually backing up my libraries right now as I was waiting for a response

Once upgraded, some plugins will no longer work (they never got python code updated), Others will notify you in the lower corner, so be sure to do those.

ownedbycats · 09-26-2021, 05:04 AM

Yup! Just backup your library and plugin; downgrading Calibre after upgrading the database will cause errors (mostly upon deleting book) and sometimes it's hard to get older plugin versions. Note that some incompatible plugins just silently deactivate themselves, so make sure everything's in order.

Loosheesh · 09-26-2021, 09:49 AM

Quote:

Originally Posted by theducks

Once upgraded, some plugins will no longer work (they never got python code updated), Others will notify you in the lower corner, so be sure to do those.

Quote:

Originally Posted by ownedbycats

Yup! Just backup your library and plugin; downgrading Calibre after upgrading the database will cause errors (mostly upon deleting book) and sometimes it's hard to get older plugin versions. Note that some incompatible plugins just silently deactivate themselves, so make sure everything's in order.

(ducks and cats and all

)

I'm now updated to the latest version and everything works great, including the DRM plugins, my biggest worry and main reason for delaying on the upgrade.

09-25-2021, 10:23 PM	#1
Loosheesh Wizard Posts: 1,680 Karma: 3137505 Join Date: Dec 2010 Location: Jianghu Device: PW1, PW5, iPhone SE 2016, iPhone 13 Pro, iPad Pro 9.7, iPad Pro 2021	Can I go from 4.21 straight to 5.28? I'm finally ready to upgrade - can I jump straight from 4.21 to 5.28?

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09-25-2021, 10:26 PM	#2
theducks Well trained by Cats Posts: 31,057 Karma: 60358908 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A	AFAIK Calibre will migrate anything needed. Be aware that the 5.x upgrade will no longer be fully compatible with 4.x (DB changes) BACKUP BACKUP BACKUP your libraries Just in case

09-26-2021, 05:04 AM	#5
ownedbycats Custom User Title Posts: 10,974 Karma: 75337983 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD	Yup! Just backup your library and plugin; downgrading Calibre after upgrading the database will cause errors (mostly upon deleting book) and sometimes it's hard to get older plugin versions. Note that some incompatible plugins just silently deactivate themselves, so make sure everything's in order.

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