Three cheers for the Osprey Porter, it's a really excellent pack. I've got the Porter 65, which supposedly is too large for carry-on -- but I've taken several dozen flights with it and never gotten a word from the check-in people or attendants. Just don't fully load it and use the compression straps liberally.

What hub are you using?

Not OP but I‘m using one by Anker that also has a SD card slot and two USB-C type ports with Power Delivery so I can hook up my MacBook to the power outlet and load stuff off of it at the same time if there is no other possibility. I don’t know about HN rules so I‘m not sure if I‘m allowed to link it. The Anker stuff however hasn’t failed me yet, I have some chargers from Anker as well.

How hot does your hub gets, btw ? I feel like mine gets hot enough that bluetooth dongles stop working well...?

Interesting. I only use one dongle for a roccat mouse with it and it never stopped working or was lagging. When I touch it I can notice that it’s warm but it’s nothing too crazy. Currently there is no power cable attached so it might get warmer with a power cable attached to it.