Hello,
I experienced something really weird today during a little Youtube project. Up to about 3 weeks ago I still used Resolve 14.2.0 and upgraded to version 14.3.
When editing little sniplets of 1-2 seconds I sometimes, not always get an echo like effect in the playback as well as in the final export. Adding tansitions makes it worse but it doesn't go away completely when I just leave a jumpcut.
Here is a small video so that you can hear and see yourself what I mean.
There is nothing wrong with my original recordings neither with the Avid DNx files I use to edit my clips.
I'm on Windows 10 Pro with the latest updates available.
CPU: I7 4790k
GPU: GTX 1060
Audio: Steinberg UR22mkII