No specific info about version 2.5. Please visit the main page of SRT on Software Informer.
Subtitle Translation Wizard can help you translate subtitles.
Immediately convert SRT subtitle files to the SSA format.
A simple tool to generate subpictures and an SST file from your SRT subtitles.
This simple program allows you to edit the timing of a SRT-file
A free tool to show subtitles with media players with no subtitling capability.
Auto DVD Backup MUX is a GUI with automation capabilities.