Subtitle stutter 8.90.3

Try with these lines in advancedsettings.xml

<advancedsettings>
  <gui>
    <algorithmdirtyregions>0</algorithmdirtyregions>
    <smartredraw>true</smartredraw>
  </gui>
</advancedsettings>

On my X92_S912 box “smart redrow” line lowers CPU temp in idle.

If it does not work for you, get a better cooling method for your box. With some work on my CPU cooling system I lowered the temp from 70°C to 50°C…