Version 2.0.20 of Mosquitto has been released. This is a bugfix release. Broker: - Fix QoS 1 / QoS 2 publish incorrectly returning "no subscribers". Closes #3128. - Open files with appropriate access on Windows. Closes #3119. - Don't allow invalid response topic values. - Fix some strict protocol compliance issues. Closes #3052. Client library: - Fix cmake build on OS X. Closes #3125. Build: - Fix build on NetBSD [#3052]: https://github.com/eclipse/mosquitto/issues/3128 [#3119]: https://github.com/eclipse/mosquitto/issues/3128 [#3125]: https://github.com/eclipse/mosquitto/issues/3128 [#3128]: https://github.com/eclipse/mosquitto/issues/3128