Cowboy 2.19 is a maintenance release containing a small number of fixes and improvements.
Cowboy 2.19 requires Erlang/OTP 27.0 or greater.
Features added
Support for Erlang/OTP versions below 27.0 was dropped. Cowboy will now only support Erlang/OTP versions that receive security patches.
Cowboy processes now have labels.
Update Cowlib to 2.20.0.
Bugs fixed
HPACK: only index fields known to be safe; never index other fields. This may result in larger HTTP/2 messages.
HPACK: fix name-only indexing.
Parsing of numbers in protocol components was made stricter. The limit in the number of digits was increased from 17 to 20 to accommodate peculiar implementations.
