# Release notes for Gluster 5.6

This is a bugfix release. The release notes for [5.0](5.0.md), [5.1](5.1.md), [5.2](5.2.md), [5.3](5.3.md) and [5.5](5.5.md) contains
a listing of all the new features that were added and bugs fixed in the
GlusterFS 5 stable release.

**NOTE:** Next minor release tentative date: Week of 10th June, 2019

**NOTE:** Release 5.4 was never announced as there was a fix which prevented
rolling upgrades from working correctly. Hence this release notes contains a
skip from 5.3 till 5.5 in terms of issues addressed and also addresses the
issue were rolling upgrades were broken.

## Major changes, features and limitations addressed in this release

**None**

## Major issues

Several users had issues around increased network usage after upgrading to 5.x
release, this issue was tracked against [bug#1673058](https://bugzilla.redhat.com/show_bug.cgi?id=1673058) and is now addressed as
a part of this minor release.

## Bugs addressed

Bugs addressed since release-5.5 are listed below.

- [#1673058](https://bugzilla.redhat.com/1673058): Network throughput usage increased x5
- [#1690952](https://bugzilla.redhat.com/1690952): lots of "Matching lock not found for unlock xxx" when using disperse (ec) xlator
- [#1694562](https://bugzilla.redhat.com/1694562): gfapi: do not block epoll thread for upcall notifications
- [#1694612](https://bugzilla.redhat.com/1694612): glusterd leaking memory when issued gluster vol status all tasks continuosly
- [#1695391](https://bugzilla.redhat.com/1695391): GF_LOG_OCCASSIONALLY API doesn't log at first instance
- [#1695403](https://bugzilla.redhat.com/1695403): rm -rf fails with  "Directory not empty"
- [#1696147](https://bugzilla.redhat.com/1696147): Multiple shd processes are running on brick_mux environmet