Posted by BSG here, translated by Oleg.
+ slightly changed the code
+ added "max_gouda_inflight_shots" to settings, it should regulate something in portrait mode but I don't know what exactly yet.
Regarding the second point, someone down the thread figured out that it sets a queue of portrait photos to process from 0 to 15, but it only works properly when set to 3-5 depending on the HDR+ config (default - 5, medium - 3, if it's set higher it will crash) so BSG will remove the setting in the next build.
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