FatFs R0.15a was released on November 22, 2024. These are the verified problems about FatFs R0.15a and its workaround or patch.
1. January 9, 2025 -------------------------------------------------------------------------------------------------- FatFs fails to load the FsInfo in FAT32 volumes and the f_getfree function will always be forced a full FAT scan which takes a long time. This problem was appeared at R0.15a and reported via an e-mail. To fix this problem, apply ff15a_p1.diff to the ff.c.