Only if the adapter is active; passive ones just tell the GPU to switch protocols to HDMI or whatever, so those are still kneecapped by driver limitations.

Edit: I just checked Amazon and active adapters are a lot cheaper (and less niche) than they used to be, though there are still some annoying results like a passive adapter which has an LED to indicate the connection is "active" being the first result for "DP to HDMI 2.1 active".