OpenWRT firmware selector:
Depends on what the question was.
Orange fork is officially supported by orange corp?
Not a single word it is supported by openwrt.org
If you mean officially supported by Orange pi version of Openwrt... Yes...
Question was if Orange Pi 5B or 5 Pro is supported by https://github.com/coolsnowwolf/lede/tree/20230609 or https://git.openwrt.org/
It's not supported "here", we obviously can't answer for coolsnowwolf.
Why are you asking them about 3rd party sw support?
I was mistaken and thought it was the one merged into current OpenWRT. I later sent them the photo of the official OpenWRT firmware selector and they just said to look at the documentation which has zero mentions of OpenWRT or any variants at all.
That's another way of saying unsupported 
I'm specifically talking about the 5B. The 5 Pro has their OpenWRT image on its page too.
But they did say "The Lineup OpenWRT/LEDE of Orange Pi 5 supports Orange Pi 5B", then again I have yet to find anything supporting that statement.
Since we've already concluded it's unsupported, the discussion boils down to business conduct, it's most likely OT at this forum.
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https://openwrt.org/docs/guide-developer/add.new.device
Can this help?
If OP is up to the task, and actually owns one ...