After installing the latest Version: 188.8.131.52 (x64)
Build ID: 9b0d9b32d5dcda91d2f1a96dc04c645c450872bf
CPU threads: 8; OS: Windows 10.0; UI render: GL;
I accidentally moved the Manage Styles off of its dock position as a free floating window. Afterward the Manage Styles / F11 no longer function. The window pops up momentarily and disappears.
Steps to Reproduce:
1. Move the Manage Style from attached position to free floating window.
The window disappears.
Need a way to bring it back and reattach it. It should be able to be free floating child window as well...
User Profile Reset: Yes
OpenGL enabled: Yes
The only way I found to fix it is resetting the user profile Help->Restart in Safe Mode. However, this is a pretty heavy hammer that clobbers everything. There should be something like an UNDO on my last configuration change.
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0
*** This bug has been marked as a duplicate of bug 115786 ***