The GoPro HERO9 Black is an action camera featuring 5K video recording, HyperSmooth 3.0 stabilization, and a new front color display for framing. It also introduced a larger removable battery and the Enduro-compatible battery slot.
Product released: September 16, 2020
Latest firmware version
Version 1.42.70, released June 1, 2022
What's new in version 1.42.70
Added !MHSTO=x minutes - controlling the length of the Hindsight timeout, changing from the default for 15 minutes. e.g. !MHSTO=60 for a 60 minute Hindsight timeout.
Enhanced SPL trigger levels now reported to the qrlog.txt file.
Enhanced, upon boot the LCD will repeat any permanent Labs modification you might have active.
minor bug fixes