Appendix A. Migrating from Cowboy 2.11 to 2.12
Cowboy 2.12 contains a small security improvement for
the HTTP/2 protocol.
Cowboy 2.12 requires Erlang/OTP 24.0 or greater.
-
A new HTTP/2 option
max_fragmented_header_block_size
has
been added to limit the size of header blocks that are
sent over multiple HEADERS and CONTINUATION frames.
-
Update Cowlib to 2.13.0.