just readea form tcl homepage about eARC supported through firmware update https://www.tcl.com/us/en/blog/article/how-your-tcl-tv-just-got-better-automatically
Update: Replaced the Samsung Odyssey Neo G8 S32BG85 with the Samsung Odyssey OLED G8/G85SB S34BG85 because it’s better overall; replaced the Samsung Odyssey G7 S27AG70 with the newer Samsung Odyssey G7/G70B S32BG70.
What do you think of these changes? Let us know