For those that monitor the firmware on their PC Engines APU device it appears that PC Engines is not documenting their updates and release notes on front page of the https://pcengines.github.io website.
The last firmware update I see was Release date: 2022-07-29 for v4.17.0.2.
It had seemed like a long time since that last release so I started to search around.
I found “hints” of a v4.17.0.3 firmware update. I came across the PC Engines blog at https://pcengines.github.io/blog/ and saw this announcement:
PS - I had written an email to PC Engines support and received back an unusual response about it costing too much. I am sending another email asking for a little clarity.