RMMV - Galv's Message Busts plugin flickering

This bug happens with Galv's Message Bust plugin's latest version, and only when switching from the default text frame with a type of window background setting ("Dim" in my case) and the plugin's

Galv's Message Busts MZ

Request/MV] Extension to Galv's Message Busts

MV Visibility Range Galv's RPG Maker Scripts & Plugins

Visual Novel Busts plugin for RPG Maker MV by Irina

RMMV - Galv's Busts problem (SOLVED)

Need help with finding alternative plugins for showing bust

RMMV - Change to Galv's Message Busts (MV)

Galv's Timed Message Popups - Game Dev Unlimited

RPG Maker MV Tutorial: Bust Graphics in Messages