How can I turn off Roslyn Code Fixes in VS 2015?
It works correctly (with the latest Resharper 9.1.2), but still while it initializes it blocks navigation, I mean Home,
Your typing problems sounds suspiciously like this issue : https://youtrack.jetbrains.com/issue/RSRP-445640 that appeared for VS2015 + R# they have some workarounds but not solution yet.
Update
From this tweet https://twitter.com/serjic/status/624202171060502528 it seem that they are working on a bugfix and that a good workaround exists :
Turning off 'Do not show Visual Studio bulb' fixes typing issues in ReSharper 912. We are working on the hot fix.
Update 2
They did a full blog post on it : Critical Issue with ReSharper 9.1.2 in Visual Studio 2015 RTM: Workarounds and Estimates