[4.2.0.21] Crashes while typing

REPRODUCIBILITY (% or how often): not evaluable in % but often
BUILD ID = OS VERSION (Settings > About product): 4.2.0.21
HARDWARE (XA2, X10, X10 II, …): XA2 (PLUS Dual-Sim)
UI LANGUAGE: German
REGRESSION: (compared to previous public release: Yes, No, ?): No

DESCRIPTION:

Sailfish crashes very often while typing messages in all apps i use (native: Messages, Fernschreiber Android: Signal, Threema)

PRECONDITIONS:

none

STEPS TO REPRODUCE:

  1. write a message fast and then suddenly the phone crashes
  2. best write on long message… i had cases where i type in a message 5 times till i was able to enter it completely

EXPECTED RESULT:

no crash

ACTUAL RESULT:

phone crashes

ADDITIONAL INFORMATION:

if anyone can tell how i am able to find relevant log messages tell me than i will add them. Ah it happens with german and english keyboard as well.