Describe the bug

Usually, press and hold on a longpress key reveals more keys in the popped up keys, but sometimes somehow this mechanism does not work as expected.

Expected behavior

Screenshots

keys which does not reveal popped up keys (not always these though): "q, t, u, o, i, j, g, d and a"
https://youtu.be/wRRU32cFYIg

Keyman for Android:

• Device: Samsung Galaxy
• OS: Android 10
• Keyman version: 14.0.276
• Target application: Keyman

Keyboard

• Keyboard name: EuroLatin (SIL)
• Keyboard version: 1.9.4
• Language name: English