The game hangs on the loading screen between chapters.
In the context of Nintendo Switch emulation (Yuzu, Ryujinx) or homebrew hardware, a "fixed" ROM usually refers to a file that has been modified or patched to address specific issues: celeste+switch+rom+fixed
The base version of Celeste released on the Nintendo Switch can occasionally run into technical hurdles when taken out of its native ecosystem. Users generally seek out modified or updated files for three primary reasons: The game hangs on the loading screen between chapters