I have just upgraded from Turris 3.21.1 to 5.2.7 - no issue.
Exception is syslog-ng:
chyba z 16. 09. 2021 14:44:31
inconsistent: Requested package syslog-ng3 that is not available.
Should I wait for the repository or should I look for another package to send the log to the syslog server?