Switching pluggable transports after a block: does it often get stuck?

I’ve been reading two open Tor tickets about switching from one pluggable transport to another, which connection assist is meant to do without restarting tor: obfs4 bridges don’t work when switching from snowflake, where restarting tor by hand got it working again, and 16.0a2: lyrebird.exe dies when switching to snowflake on Windows.

For people whose transport gets blocked mid-session, does this come up in support, or is it rare in practice?

(Drafted with help from Claude, an AI assistant; the question is mine.)