SUMMARY KOrganizer requests to a DAV server are sent without User-Agent header. This header should be present as it can be useful for troubleshooting client issues. STEPS TO REPRODUCE 1. Have KOrganizer configured with a DAV Resource. 2. Perform any activity that will create a request to the DAV server. 3. Observe DAV server logs. OBSERVED RESULT ```nginx access.log <scrubbed> - <username> [28/Dec/2022:13:09:05 <scrubbed>] "PROPFIND /<username>/<scrubbed>/ HTTP/1.1" 207 278 "-" "-" ``` EXPECTED RESULT DAVx⁵ (on android) behavior: ```nginx access.log <scrubbed> - <username> [27/Dec/2022:02:27:01 <scrubbed>] "PROPFIND /<username>/<scrubbed>/ HTTP/2.0" 207 401 "-" "DAVx5/4.2.6-ose (2022/12/12; dav4jvm; okhttp/4.10.0) Android/13" ``` SOFTWARE/OS VERSIONS Linux/KDE Plasma: Fedora 36, kernel 6.0.14-200.fc36.x86_64 KDE Plasma Version: 5.100.1 KDE Frameworks Version: 5.100.1 (?) (from kf5-plasma package version) Qt Version: (?) Korganizer Version: 22.08.3 ADDITIONAL INFORMATION * HTTP/2 support seems to be missing as well.