5.13.21.3
- [Fix] Agent ranking still doesn't work (#8684)
- [Fix] Incorrect time in exported to HTML/PDF file. (#8677)
- [Fix] Material theme - missing alt on canned messages (#8669)
- [Fix] Ticket history export to CSV not working in Firefox (#8665)
- [Fix] Postpone calendar doesn't work in Firefox (#8530)
- [Fix] MultiKB dir should contain only ascii chars (#8524)
- [Fix] Knowledgebase search needs to be enhanced (#453)