v4.2.0

• update to Go v1.14.1
• explicitly close Pty when Session ends

v4.1.2

• golang: update to v1.14
• circleci: update to v2.1 syntax

v4.1.1

• revert to pires proxyproto library

v4.1.0

• Update to Go v1.13.6
• add Proxy Protocol support

v4.0.0

• do not generate host keys
• add prometheus metrics server and basic metrics gathering
• add idle-timeout config option
• switch to gliderlabs/ssh library
• update to Go v1.13.5

v3.0.2

• update to Go v1.13.4

v3.0.1

• Update to Go v1.12.9

v3.0.0

• allow specifying a whitelist of env vars to pass from client

v2.1.10

• default to PEM format when calling ssh-keygen

v2.1.9

• update to Go v1.12.7
• ignore common tcp errors at low verbosity levels