SUMMARY When I run KDevelop with several files in session and every has comment containing couple rows as first line then this first line is not folded. When I open new file looking the same as I above described then first line is folded correctly. STEPS TO REPRODUCE 1. set option: Configure KDevelop -> Editor -> Appearance -> Fold first line 2. open any session containing several files where each of them has comment containing couple rows as first line 3. go on top to any of loaded file OBSERVED RESULT first line is not folded EXPECTED RESULT first line should be not folded SOFTWARE/OS VERSIONS Linux/KDE Plasma: YES (available in About System) KDE Plasma Version: 5.15.3 KDE Frameworks Version: 5.56.0 Qt Version: 5.12.2 ADDITIONAL INFORMATION Issue looks like regression.