Block size limit (on Bitcoin L1) got increased.
This will not happen, because then, it would be possible to push more on-chain spam, without making it easier, to push more regular transactions.
Also, Ordinals blocked any block size increase proposal for a while. And "quantum resistant addresses" will block it even further.
Yeah, i can see people oppose if there's no action to prevent spam or make spam much more harder/expensive. Although since some QC signature cryptography i've seen have big signature size, which could be used as argument to increase block size.
3. Block size limit (on Bitcoin L1) got increased. Fee rate doesn't skyrate so much, where people split between using L1 or something else (LN, sidechain, L2, etc.).
This is also a possible option even though it's the least likely outcome, but even despite that, it still has more chance of happening than increasing the supply.
IMO it's only least likely on today's condition. IMO it's just matter of time until it happens, unless Bitcoin community doesn't want more people adopt/use Bitcoin.