Re: OS system version upgrade (glibc / libicu version change)

Hi, Team !

Any news about the subject ?

I think it's the right time to prepare such chapter in order to have it in
PG19 documentation.

best regards,

Alexey Shishkin

*Alexey Shishkin*

Technical Account Manager

EDB Software GmbH

alexey(dot)shishkin(at)enterprisedb(dot)com

www.enterprisedb.com <https://enterprisedb.com/>

Planned PTO: Nov-04 - Nov-08

On Tue, Feb 17, 2026 at 3:33 PM Alexey Shishkin <
alexey(dot)shishkin(at)enterprisedb(dot)com> wrote:

> Hi, Team !
>
> Any ideas regarding my proposal ?
>
> My recent experience is about the customers migrating from RHEL8 to RHEL10
> and from SLES12 to SLES15 and they don't have the answers from PostgreSQL
> documentation.
>
>
> best regards,
>
> Alexey Shishkin
>
>
>
>
>
> *Alexey Shishkin*
>
> Technical Account Manager
>
> EDB Software GmbH
>
> alexey(dot)shishkin(at)enterprisedb(dot)com
>
>
>
> www.enterprisedb.com <https://enterprisedb.com/>
>
>
>
>
> On Mon, Feb 2, 2026 at 10:08 AM PG Doc comments form <
> noreply(at)postgresql(dot)org> wrote:
>
>> The following documentation comment has been logged on the website:
>>
>> Page: https://www.postgresql.org/docs/18/collation.html
>> Description:
>>
>> Hi, Team !
>> It looks like the PostgreSQL documentation doesn't explain the customers
>> what to do with PostgreSQL in case of OS system version upgrade or/and
>> glibc
>> / libicu version change.
>> There're many links/blogs available where the required actions are
>> explained.
>>
>> https://knowledge.enterprisedb.com/hc/en-us/articles/13520015051420-glibc-locale-data-changes
>> https://www.crunchydata.com/blog/postgres-migration-pitstop-collations
>> https://wiki.postgresql.org/wiki/Locale_data_changes
>> The thing is some of the recommendations are not complete or/and not
>> up-to-date.
>> I see a lot of confusion in the field about this topic, because PostgreSQL
>> users don't have the 'official recommendations' from the PostgreSQL
>> community.
>> So, my proposal to dedicate a chapter in the PostgreSQL documentation
>> about
>> the topic.
>> best regards
>> Alexey Shishkin
>>
>>