1.21.1 (February 22, 2022)

Bug fixes

Changes expected to improve the state of the world and are unlikely to have negative effects

• data plane: fix crash when internal redirect selects a route configured with direct response or redirect actions.

• jwt_authn: fixed the crash when a CONNECT request is sent to JWT filter configured with regex match on the Host header.

• tcp_proxy: fix a crash that occurs when configured for upstream tunneling and the downstream connection disconnects while the the upstream connection or http/2 stream is still being established.

• upstream: fix stack overflow when a cluster with large number of idle connections is removed.