[horde] utf8 is not supported by MySQL

[Ralf Lang]

Hi,

> ----- End message from Ralf Lang <ralf.lang at ralf-lang.de> -----
>
> I just ran into this on a RHEL8 server running Horde with MySql 
> 8.0.30-1 (official RH packages) on PHP 7.4.32.
>
> Resolved (temporarily?) by setting Horde conf.php to utf8mb4 instead 
> of utf8... but looking at the emails in this thread, are there other 
> actions needed, is a patch in dev? Or I'm fine as is?
>
> Simon
I have added some patches that map between the database native charsets 
(like utf8mb4, utf8mb3) and those charsets understood by PHP's string 
conversion facilities. If you run off composer, you should be fine by now.