There have been a few threads on this:
- https://community.tp-link.com/en/business/forum/topic/621914
- https://community.tp-link.com/en/business/forum/topic/634364

- https://community.tp-link.com/en/business/forum/topic/606300

all seem to have been locked so I can't voice my support on those.

I'd also appreciate this for the ER8411, the lack of support here is actively causing fragmentation which is causing some TLS handshakes to time out.
RFC4638 is turning 20 this year and should probably have been supported a long time ago.