ChatLog appears to fillup (and no longer updates)

Issue Description:
In-Game Chat window no longer updates after a few games.
It works fine(in game and in Mourningstar) initially. But after a few games:

  • I can no longer see updates to new messages (mine and theirs)

Steps to Reproduce:
Play 5-10 games, send/receive messages as usual.

Steam

Player ID:
[Steam ID/Steam Profile URL/GamerTag]
jamesliu_londonuk

Approx. Time of Issue & Timezone:
[MM/DD/YYYY, 00:00AM/PM] [TIMEZONE]
12/19/2022 03:18 GMT +0

Reproduction Rate:
Once - Rare (<10%) - Unusual (<25%) - Common (<50%) - Often (<75%) - Constant (100%)
OFTEN