For your information : I have used until now unreal 4.25 on my linux laptop : it works well, no problem.
=> could you post the log file located at ProjectName/Saved/Logs/ProjectName.log ? see links below
MyProject3.log (214.3 KB)
MyProject3-CRC.log (11.8 KB)
=> according to your gpu was propietery amd or nvdia drivers installed ? see link below
graphics.pdf (31.1 KB)
=> Are you using wayland?
No
=> Were you able to create a project using the new project wizard?
Yes I am, but see the link below
unreal-4-26.pdf (860.1 KB)