Will Manifold change (by EOY 2025), so that, either by default or as a non-default option, limit orders can be made anonymous, such that others can't decide to trade or not based on who the limit placer was?

If the change is made before 2025, it must be in effect at some point in 2025 to resolve this market YES.

See also:
/Bayesian/will-anonymous-limit-orders-be-plac