How Stable is Bluefish?
The current stable release 2.2.12 is extremely stable. In case you encounter an issue, please report it at the ticket system.
The sourcecode available via SVN (svn checkout https://svn.code.sf.net/p/bluefish/code/trunk bluefish-code) has some bugs fixed and maybe a few new features, which haven't been tested extensively. Hence it is possible that there are issues. Please report issues at the ticket system.