Hi Tom,

for your version you can read all database updates in updatedatabase.pl:

https://git.koha-community.org/Koha-community/Koha/src/branch/19.11.x/installer/data/mysql/updatedatabase.pl#L20705

There have only been changes as part of bug fixes - the bug numbers for
each change are referenced in the print lines, if you want to read up on
them.

Is there a specific thing you are worried about with a schema change?
The update process should always take care of those.

Hope this helps,

Katrin


On 27.09.21 18:01, Tom Burke wrote:
Can I seek a bit of reassurance, please? We have a server running several 
instances which is currently on 19.11.00.000. Obviously we want to upgrade 
this. We have tried doing a significant upgrade (to 20.11) on a test site, and 
have run into some issues which we are still investigating. We might therefore 
decide to meet the present security-driven upgrade requirement by simply going 
from 19.11.00 to 19.11.22 . Is it safe to assume that there is no schema change 
in such an upgrade?

Tom Burke



Begin forwarded message:

From: Jonathan Druart <[email protected]>
Subject: [Koha] New Koha minor versions released - security fixes included, 
UPGRADE!
Date: 27 September 2021 at 13:52:31 BST
To: koha <[email protected]>, koha-devel 
<[email protected]>

Hello everybody,

I am announcing, on behalf of the whole Koha release team,
synchronised releases for the four release versions we are currently
supporting.

The release notes are available below:
21.05.04 - 
https://koha-community.org/koha-21-05-04-released-%e2%9a%a0-security-release/
20.11.10 - 
https://koha-community.org/koha-20-11-10-released-%e2%9a%a0-security-release/
20.05.16 - 
https://koha-community.org/koha-20-05-16-released-%e2%9a%a0-security-release/
19.11.22 - 
https://koha-community.org/koha-19-11-22-released-%e2%9a%a0-security-release/

As they contain security bug fixes we suggest you upgrade all the Koha
instances you are in charge of as soon as possible.

Let us know if you have any questions.

Regards,
Jonathan
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