Firmware 42511: Vizio

This firmware is rolling out primarily to the following series: (2020–2023 models) Vizio M-Series Quantum Vizio P-Series Quantum & Quantum X

was a solid maintenance release that improved core TV functionality for most users, particularly around ARC and CEC stability. However, it introduced minor gaming input lag and audio sync issues that frustrated a vocal minority. It is recommended for non-gamers and users relying on HDMI-ARC; gamers may have preferred staying on 4.15.24 or skipping to 4.30.8. vizio firmware 42511

: Fixes common bugs related to "handshake" issues with external soundbars and streaming devices (like Apple TV or Roku). This firmware is rolling out primarily to the