Yes. Another preview version. Bibble 5 Preview 2.2 released.

Not tried it yet very much. But some of the highlights of the changelog:

» Major improvements to the Layers & Regions tools, with better memory management and much faster rendering
» Implemented On / Off toggles per Region and per Layer
» Implemented File -> Open and drag & drop to open image files and work queues.
» Implemented ‘Portable Catalogs.’
» Improved Linux Trash operations (to be freedesktops.org compliant)

This means… Yes, it is time to implement a “Develop in Bibble 5” extension, or at least an “Open with…” context menu entry in form of a desktop file like I did with Bibble 4 (direct link to desktop file and shell script).