Since beta version 16.2.64 the brace highlighting is flashing very fast.
Edit: Uploaded a gif with 60fps. 
@dirk.mika1 - I see, thanks. The fix will not make today's beta, but will be in the next one.
@dirk.mika1 - We were not able to see this happen in-house. Can you please confirm that you are no longer seeing this in the beta released yesterday? Thanks