Not sure where to put this...but got a new bag today.
Tenba Fulton 14L. (fits under airline seats, although not Rynair).
Only £75 from Camera World, got the All Weather version (not soft fabric version was even cheaper), the camo pattern isn't really my thing but they are not that prominent. Enough space inside to hold a X-T5 with lens attached + 4 more Fuji lenses. Or Sony body with 1 lens attached and 2 GM primes and more bits. Opens from body side. Top compartment main space for general clothing and larger item. Front pocket enough space for a 14" MBP. Side pocket for tripod/water bottle. I can't believe this is almost half the price of the Peak Design 10L. This will be my go to bad to take on the plane from now on.