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Release cycle and version support

A new major version of Mahara is released every 6 months, in April and October. The version numbers reflect the year and the month in which a version was released. See Version Numbering Policy for more details.

As of April 2023, the Mahara team at Catalyst will release one new version per year, presently anticipated in April.

Release cycle Nov - Apr May - Oct
Feature freeze Early February Early August
UI freeze Early March Early September
Release candidate Mid March Mid September
Official release Late April Late October
  • Each release has 16 weeks before feature freeze.
  • For each release, We've put feature freeze at a month before the release candidate. Only non-feature bug fixes will be committed after this
  • The week before the release candidates is a UI freeze. This is a freeze to string changes and theme changes. String or UI fixes will need to be at least high importance.

The standard support lifetime of a major version is 18 months (3 release cycles):

  • Receives bug fixes and security fixes for the first 6 months
  • Receives security fixes only, for an additional 12 months

In the event that a major release substantially breaks backwards compatibility, we may declare the previous release to be an extended support release which will receive security fixes for 30 months (5 release cycles), to give sites more time to upgrade.

Older releases (pre Mahara 1.6)

Prior to Mahara 1.6, Mahara major versions were released as needed, according to no particular schedule. During the transition period to the 6 month release cycle, support for the older releases was provided for 2 release cycles.

Current and upcoming releases

The latest stable version of Mahara is 23.04, released on 28 April 2023.

Note: This page is updated manually, and sometimes falls behind. For 100% up-to-date information, look for the release labelled "Current Stable Release" on our Launchpad release page, or use the "Download" link on the front page of https://mahara.org

Unsupported Currently in support Not yet released
Mahara release notes and end of support
Major release Minor release Release date End of support
23.04


April 2023
  • April 2023
  • May 2023
  • July 2023
  • October 2023
October 2024
22.10
31 October 2022
  • October 2022
  • April 2023
  • July 2023
  • October 2023
April 2024
22.04
April 2022
  • April 2022
  • May 2022
  • June 2022
  • October 2022
  • April 2023
  • July 2023
  • October 2023
October 2023

(no longer supported)

21.10
29 October 2021
  • 27 April 2023
  • 31 October 2022
  • 16 June 2022
  • 2 May 2022
  • 27 April 2022
  • 9 February 2022
  • 29 October 2021
April 2023

(no longer supported)

21.04
30 April 2021
  • 31 October 2022
  • 16 June 2022
  • 2 May 2022
  • 27 April 2022
  • 9 February 2022
  • 29 October 2021
  • 21 May 2021
  • 30 April 2021
October 2022

(no longer supported)

20.10
22 October 2020
  • 2 May 2022
  • 27 April 2022
  • 9 February 2022
  • 29 October 2021
  • 21 May 2021
  • 4 May 2021
  • 22 October 2020
April 2022
(no longer supported)
20.04
29 April 2020
  • 29 October 2021
  • 22 May 2021
  • 4 May 2021
  • 22 October 2020
  • 4 August 2020
  • 29 April 2020
October 2021
(no longer supported)
19.10
31 October 2019
  • 4 May 2021
  • 22 October 2020
  • 4 August 2020
  • 30 April 2020
  • 4 April 2020
  • 12 November 2019
  • 31 October 2019
April 2021
(no longer supported)
19.04
30 April 2019
  • 30 April 2020
  • 4 March 2020
  • 12 November 2019
  • 1 November 2019
  • 23 July 2019
  • 30 April 2019
October 2020
(no longer supported)
18.10
25 October 2018
  • 30 April 2020
  • 4 March 2020
  • 12 November 2019
  • 1 November 2019
  • 23 July 2019
  • 30 April 2019
  • 25 October 2018
April 2020
(no longer supported)
18.04
6 April 2018
  • 1 November 2019
  • 23 July 2019
  • 30 April 2019
  • 25 October 2018
  • 11 June 2018
  • 30 May 2018
  • 6 April 2018
October 2019
(no longer supported)
17.10
30 October 2017
  • 30 April 2019
  • 30 April 2019
  • 25 October 2018
  • 11 June 2018
  • 30 May 2018
  • 6 April 2018
  • 2 February 2018
  • 17 January 2018
  • 14 December 2017
  • 30 October 2017
30 April 2019
(no longer supported)
17.04
27 April 2017
  • 25 October 2018
  • 11 June 2018
  • 30 May 2018
  • 6 April 2018
  • 2 February 2018
  • 17 January 2018
  • 30 October 2017
  • 11 September 2017
  • 25 May 2017
  • 12 May 2017
  • 27 April 2017
25 October 2018
(no longer supported)
16.10
21 October 2016
  • 6 April 2018
  • 2 February 2018
  • 17 January 2018
  • 30 October 2017
  • 11 September 2017
  • 25 May 2017
  • 26 April 2017
  • 29 December 2016
  • 13 December 2016
  • 21 October 2016
06 April 2018
(no longer supported)
16.04
28 April 2016
  • 30 October 2017
  • 11 September 2017
  • 25 May 2017
  • 26 April 2017
  • 29 December 2016
  • 25 October 2016
  • 8 August 2016
  • 11 July 2016
  • 9 June 2016
  • 28 April 2016
30 October 2017
(no longer supported)
15.10
23 October 2015
  • 26 April 2017
  • 29 December 2016
  • 25 October 2016
  • 8 August 2016
  • 11 July 2016
  • 2 May 2016
  • 24 March 2016
  • 27 November 2015
  • 23 October 2015
26 April 2017
(no longer supported)
15.04
23 October 2015
  • 30 October 2017
  • 11 September 2017
  • 25 May 2017
  • 26 April 2017
  • 29 December 2016
  • 25 October 2016
  • 8 August 2016
  • 12 July 2016
  • 2 May 2016
  • 24 March 2016
  • 27 November 2015
  • 27 October 2015
  • 19 August 2015
  • 10 July 2015
  • 29 May 2015
  • 17 April 2015
30 October 2017
(no longer supported)
1.10
21 October 2014
  • 2 May 2016
  • 24 March 2016
  • 27 November 2015
  • 27 October 2015
  • 19 August 2015
  • 10 July 2015
  • 29 May 2015
  • 20 April 2015
  • 13 January 2015
  • 26 November 2014
  • 21 October 2014
2 May 2016
(no longer supported)
1.9
15 April 2014
  • 27 October 2015
  • 19 August 2015
  • 10 July 2015
  • 26 November 2014
  • 22 October 2014
  • 1 August 2014
  • 13 May 2014
  • 15 April 2014
27 October 2015
(no longer supported)
1.8
24 October 2013
  • 20 April 2015
  • 26 November 2014
  • 22 October 2014
  • 1 August 2014
  • 13 May 2014
  • 3 April 2014
  • 18 December 2013
  • 24 October 2013
20 April 2015
(no longer supported)
1.7
19 April 2013
  • 21 October 2014
  • 1 August 2014
  • 13 May 2014
  • 29 October 2013
  • 3 October 2013
  • 3 April 2014
  • 18 December 2013
  • 24 October 2013
  • 19 April 2013
21 October 2014
(no longer supported)
1.6
19 October 2019
  • 13 May 2014
  • 3 April 2014
  • 29 October 2013
  • 3 October 2013
  • 25 July 2013
  • 2 May 2013
  • 15 April 2013
  • 15 February 2013
  • 23 November 2012
  • 24 October 2012
  • 19 October 2012
29 April 2014
(no longer supported)
1.5
17 April 2012
  • 25 October 2013
  • 3 October 2013
  • 24 July 2013
  • 2 May 2013
  • 15 April 2013
  • 15 February 2013
  • 23 November 2012
  • 17 October 2012
  • 10 October 2012
  • 14 September 2012
  • 31 July 2012
  • 3 May 2012
  • 17 April 2012
29 October 2013
(no longer supported)
1.4
13 June 2011
  • 17 October 2012
  • 10 October 2012
  • 14 September 2012
  • 31 July 2011
  • 6 March 2011
  • 3 November 2011
  • 13 June 2011
(no longer supported)
1.3
10 September 2010
  • 5 March 2012
  • 3 Novemver 2011
  • 10 May 2011
  • 28 March 2011
  • 24 March 2011
  • 7 November 2010
  • 8 October 2010
  • 17 September 2010
  • 10 September 2010
(no longer supported)
1.2
16 November 2009
  • 10 May 2011
  • 24 March 2011
  • 1 September 2011
  • 2 July 2010
  • 6 April 2010
  • 8 February 2010
  • 8 December 2009
  • 8 December 2009
  • 16 November 2009
(no longer supported)
1.1
25 February 2009
  • 2 July 2010
  • 6 April 2010
  • 28 October 2009
  • 21 June 2009
  • 10 June 2009
  • 21 April 2009
  • 9 March 2009
  • 26 February 2009
  • 25 February 2009
(no longer supported)
1.0
9 March 2009
  • 2 July 2010
  • 6 April 2010
  • 28 October 2009
  • 21 June 2009
  • 21 April 2009
  • 9 March 2009
  • Unavailable
  • Unavailable
  • Unavailable
(no longer supported)

Definition of support

Being "supported" means:

  • The release team is committed to making available updates to Mahara that are security related. See Security to find out how to report security bugs to us.
  • Occasionally, some other serious bug fixes will be included, but these are not guaranteed. If you find another type of bug, please let us know by reporting it on the mahara.org forums or directly on Launchpad: https://bugs.launchpad.net/mahara/+filebug

Specific backporting rules

When deciding which bugs to backport to supported branches, these are the general principles:

  • Security bugs
    • All Critical and High priority security bugs should be backported.
    • Nearly all Medium and Low priority security bugs should be backported. At the maintenance team's discretion, these might not be backported if:
      • Backporting would be technically difficult due to differences between Mahara versions.
      • The bug fix requires database upgrades or dataroot manipulations.
      • The bug fix otherwise introduces a high risk of regressions.
  • Non-security bugs
    • All Critical bugs should be backported.
    • Most High priority bugs should be backported. At the maintenance team's discretion, these might not be backported if:
      • Backporting would be technically difficult due to differences between Mahara versions.
      • The bug fix requires database upgrades or dataroot manipulations.
      • The bug fix otherwise introduces a high risk of regressions.
    • No Medium or Low priority non-security bugs are backported.
    • No Wishlist bugs are backported. Wishlist items are only added to the current development branch.

If you want to backport certain bug fixes or new features to your own instance of Mahara, you can do so on your own as the code is available.

See Bug Status:Importance for the guidelines on how we decide whether a bug is Critical, High, Medium, or Low.