--no-timestamp option throws an error.

mariabackup: unknown option '--no-timestamp'

This is already mentioned in MDEV-31505

Before 10.4.14 no error occured, but likely mariabackup no complain about wrong options. Fixed with MDEV-18215

"mariabackup does not report unknown command line options"

The option with --innobackupex not work either.

Also already mentioned in MDEV-31505 from Timofey Turenko

it seems something is wrong with command line processing:

if '--innobackupex' is at the end of command line mariadb-backup gives `unknown option` error:

if '--innobackupex' is the first argument mariadb-backup gives `Missing argument` error:

I reproduced this behaviour wirh 10.4.14 to 10.4.20, 10.5 and 10.6

In MDEV-20552 serg mentioned:

UPDATE 14 Aug 2023

This task needs to be about:

    verifying/ensuring that all innobackupex functionality is available in the normal mode (list to be updated)

        add "timestamp" option

But according above tests, it is more urgent to make the option --no-timestamp make working in any way.