SR4 fixes the following problems:
- Could not extract contents of ZIP files if the resultant path names were longer than 256 characters
- Custom EOL was not working in EBCDIC mode
- The EBCDIC mapping was not always being saved after it was modified
- Thumbnails for video files were not always displayed properly
- "Force CSV" now works on files where the column names are on the second line
- /T option did not work when viewing STDIN (/F option)
- Improved crash diagnostics