Notepad++ 6.6.3 released
Session snapshot is main feature in v6.6.x, it is stable and bugless in v6.6.3 (hopefully).
In this release, a hanging issue and 3 bugs regarding session snapshot feature have been fixed.
The docking error for some configurations has been fixed as well in this version.
You can always turn off session snapshot feature to get back the old behaviour:
Download Notepad++ v6.6.3 here:
Auto-updater will be triggered in one week if there's no critical bug found.