Connect IQ data field for Absolute Average Speed. Which is a made up metric, distance divided by time spent (including paused time). So it'll be low if you keep stopping mid-ride. The unit is either KM/H or MPH depending on the setting on your Edge device.
Make inverse/decreasing mode harder to get into but easy to bounce back. This should fix the inversing glitches hopefully.
Edge® 1000
Edge® 1030
Edge® 1030 Plus
Edge® 1030, Bontrager
Edge® 130
Edge® 130 Plus
Edge® 520
Edge® 520 Plus
Edge® 530
Edge® 820
Edge® 830
Edge® Explore
Edge® Explore 1000
Edge® Explore 820
Data Field