- Fixed a hard error in the disk I/O layer can collapse the directory entry.
- Fixed LFN entry is not deleted on delete/rename an object with lossy converted SFN.
- Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID)
- Added a configuration option of minimum sector size. (_MIN_SS)
- 2nd argument of f_rename() can have a drive number and it will be ignored.
- Fixed f_mount() with forced mount fails when drive number is >= 1.
- Fixed f_close() invalidates the file object without volume lock.
- Fixed f_closedir() returns but the volume lock is left acquired.
- Fixed creation of an entry with LFN fails on too many SFN collisions.
- Added selection of character encoding on the file. (_STRF_ENCODE)
- Added f_closedir().
- Added forced full FAT scan for f_getfree(). (_FS_NOFSINFO)
- Added forced mount feature with changes of f_mount().
- Improved behavior of volume auto detection.
- Improved write throughput of f_puts() and f_printf().
- Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write().
- Fixed f_write() can be truncated when the file size is close to 4GB.
- Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect error code.
- Fast seek feature is also applied to f_read() and f_write().
- f_lseek() reports required table size on creating CLMP.
- Extended format syntax of f_printf function.
- Ignores duplicated directory separators in given path names.
