@nkgrzegorzewicz I too have precisely the same issue. Linux (kunbuntu 20.04) opera version 116.0.5366.35. Crashes every time I click the 'O' menu button with the following output:
[0118/163308.443011:ERROR:elf_dynamic_array_reader.h(64)] tag not found
[0118/163308.444513:ERROR:elf_dynamic_array_reader.h(64)] tag not found
[0118/163308.448276:ERROR:elf_dynamic_array_reader.h(64)] tag not found
[0118/163308.448388:ERROR:elf_dynamic_array_reader.h(64)] tag not found
Trace/breakpoint trap

submitted chrash id: CrashID=bp-060dbfd1-a1c8-4c6e-9224-ebacb0250118