mosquitto/www/posts/2012/12/version-1-1-released.md
Roger A. Light 8aef00d3df Add website.
2018-09-20 09:34:16 +01:00

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<!--
.. title: Version 1.1 released
.. slug: version-1-1-released
.. date: 2012-12-19 17:13:18
.. tags: Releases
.. category:
.. link:
.. description:
.. type: text
-->
This is a feature and bugfix release.
# Broker
* Add $SYS/broker/messages/dropped
* Add $SYS/broker/clients/expired
* Replace $SYS/broker/+/per second/+ with moving average versions published at
$SYS/broker/load/#
* Add $SYS/broker/load/sockets/+ and $SYS/broker/load/connections/+
* Documentation on password file format has been fixed.
* Disable SSL compression. This reduces memory usage significantly and removes
the possibility of CRIME type attacks.
* Enable SSL_MODE_RELEASE_BUFFERS mode to reduce SSL memory usage further.
* Add allow_duplicate_messages option.
* ACL files can now have comment lines with # as the first character.
* Display message on startup about which config is being loaded.
* Fix `max_inflight_messages` and `max_queued_messages` not being applied.
* Fix documentation error in mosquitto.conf.
* Ensure that QoS 2 queued messages are sent out in a timely manner.
* Local bridges now act on `clean_session` correctly.
* Local bridges with `clean_session==false` now remove unused subscriptions on
broker restart.
* The $SYS/broker/heap/# messages now no longer include "bytes" as part of the
string for ease of use.
# Client library
* Free memory used by OpenSSL in `mosquitto_lib_cleanup()` where possible.
* Change WebSocket subprotocol name to mqttv3.1 to make future changes easier
and for compatibility with other implementations.
* `mosquitto_loop_read()` and `mosquitto_loop_write()` now handle errors
themselves rather than having `mosquitto_loop()` handle their errors. This
makes using them in a separate event loop more straightforward.
* Add `mosquitto_loop_forever()` / `loop_forever()` function call to make
simple clients easier.
* Disable SSL compression. This reduces memory usage significantly and removes
the possibility of CRIME type attacks.
* Enable SSL_MODE_RELEASE_BUFFERS mode to reduce SSL memory usage further.
* `mosquitto_tls_set()` will now return an error or raise an exception
immediately if the CA certificate or client certificate/key cannot be
accessed.
* Fix potential memory leaks on connection failures.
* Don't produce return error from `mosquitto_loop()` if a system call is
interrupted. This prevents disconnects/reconnects in threaded mode and
simplifies non-threaded client handling.
* Ignore SIGPIPE to prevent unnecessary client quits in threaded mode.
* Fix document error for `mosquitto_message_retry_set()`.
* Fix `mosquitto_topic_matches_sub()` for subscriptions with + as the final
character. Fixes bug #1085797.
* Rename all "obj" parameters to "userdata" for consistency with other
libraries.
* Reset errno before network read/write to ensure EAGAIN isn't mistakenly
returned.
* The message queue length is now tracked and used to determine the maximum
number of packets to process at once. This removes the need for the
`max_packets` parameter which is now unused.
* Fix incorrect error value in Python `error_string()` function. Fixes bug #1086777.
* Reset last message in/out timer in Python module when we send a PINGREQ.
Fixes too-early disconnects.
# Clients
* Clients now display their own version number and library version number in
their help messages.
* Fix `mosquitto_pub -l -q 2` disconnecting before all messages were
transmitted.
* Fix potential out-of-bounds array access with client ids. Fixes bug #1083182.
# Other
* mosquitto_passwd can now convert password files with plain text files to
hashed versions.