# 5.94. Release Notes for Buildbot `0.9.0rc2`

The following are the release notes for Buildbot `0.9.0rc2`. This version was released on August 23, 2016.

See Upgrading to Buildbot 0.9.0 for a guide to upgrading from 0.8.x to 0.9.x

## 5.94.1. Master

### 5.94.1.1. Features

- add a UI button to allow to cancel the whole queue for a builder

### 5.94.1.2. Fixes

- fix the UI to allow to cancel a buildrequest (bug #3582)

- Fix BitbucketPullrequestPoller change detection

- Fix customization for template_type in email reporter

- fix DockerLatent integration of volumes mounting

- misc doc fixes

- fix buildbot not booting when builder tags contains duplicates

- `forcesched`: fix owner parameter when no authentication is used

- REST: fix problem with twisted 16 error reporting

- CORS: format errors according to API type

- Dockerfiles fix and upgrade Ubuntu to 16.04

- Fixes #3430 Increased size of builder identifier from 20 to 50 (brings it in line to size of steps and workers in same module).

- Fix missing VS2015 entry_points

- removed the restriction on twisted < 16.3.0 now that autobahn 0.16.0 fixed the issue

### 5.94.1.3. Changes for Developers

### 5.94.1.4. Features

### 5.94.1.5. Fixes

### 5.94.1.6. Deprecations, Removals, and Non-Compatible Changes

- remove repo from worker code (obsoleted by repo master source step)

## 5.94.2. Worker

### 5.94.2.1. Fixes

### 5.94.2.2. Changes for Developers

### 5.94.2.3. Deprecations, Removals, and Non-Compatible Changes

## 5.94.3. Details

For a more detailed description of the changes made in this version, see the git log itself:

    git log v0.9.0rc1..v0.9.0rc2