I did some testing last night, with GPS disabled and kstars set to update all devices, and Meridian flip failed again.
Here is what happend:

• Meridian flip triggers (still an exposure ongoing, it has to wait)
• Once exposure is finished, meridian flip starts
• Telescope moves extremly slow (as in Centering speed slow) during the meridian flip and moves in a wrong direction
• I manually abort the mount movements and trigger a manual GOTO
• Now the telescope moves fast, but misses the target slightly and overshoots (and does not stop moving further)
• I again abort the movement and trigger a new manual GOTO
• Telescope again moves fast (as it should) but misses target again and overshoots again
• I stop the movement again
• I stop the scheduler and delete / purge all the config of the mount in the Mount tab of EKOS
• I trigger a new manual GOTO
• Now it slews to the correct position and stops where it should
• I restart the Scheduler and now it works