MediaWiki 1.27/Roadmap

Wikimedia Foundation project MediaWiki 1.27 Deployment of MediaWiki 1.27.0-wmf.XX versions and release of MediaWiki 1.27 Group: Wikimedia Technology Start: 2015-09-29 End: 2016-05-05 Team members: Release Engineering Lead: User:Chad (WMF) ← MediaWiki 1.26 MediaWiki 1.28 →

Timeline

Wikimedia deployments of MediaWiki 1.27 versions happen on weekly intervals, within a longer stretch (approximately 6 months) between publishing releases of the installer for third-party users. Read more.

Current status:  Done

Schedule for the deployments

See wikitech:Deployments for current schedule, dates, and times. Below is a summary.

Phase	Date	Wikis
1.27.0-wmf.23
group 2  Done Reverted due to performance issues, re-deployed at Monday, 09 May 2016.	5 May 2016(2016-05-05)	All Wikipedias
group 1  Done	4 May 2016(2016-05-04)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	3 May 2016(2016-05-03)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.22
group 2  Done	28 April 2016(2016-04-28)	All Wikipedias
group 1  Done	27 April 2016(2016-04-27)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	26 April 2016(2016-04-26)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.21
group 2  Done	14 April 2016(2016-04-14)	All Wikipedias
group 1  Done	13 April 2016(2016-04-13)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	12 April 2016(2016-04-12)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.20
group 2  Done	7 April 2016(2016-04-07)	All Wikipedias
group 1  Done	6 April 2016(2016-04-06)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	5 April 2016(2016-04-05)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.19
group 2  Done	31 March 2016(2016-03-31)	All Wikipedias
group 1  Done	30 March 2016(2016-03-30)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	29 March 2016(2016-03-29)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.18
group 2  Done	24 March 2016(2016-03-24)	All Wikipedias
group 1  Done	23 March 2016(2016-03-23)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	22 March 2016(2016-03-22)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.17
group 2  Done	17 March 2016(2016-03-17)	All Wikipedias
group 1  Done	16 March 2016(2016-03-16)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	15 March 2016(2016-03-15)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.16
group 2  Done	10 March 2016(2016-03-10)	All Wikipedias
group 1  Done	9 March 2016(2016-03-09)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	8 March 2016(2016-03-08)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.15
group 2  Done	3 March 2016(2016-03-03)	All Wikipedias
group 1  Done	2 March 2016(2016-03-02)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	1 March 2016(2016-03-01)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.14
group 2  Done Not deployed due to latency regression, see task T126700, deployed at Thursday, 25 February 2016.	18 February 2016(2016-02-18)	All Wikipedias
group 1  Done Not deployed due to latency regression, see task T126700, deployed at Wednesday, 24 February 2016.	17 February 2016(2016-02-17)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done Not deployed due to latency regression, see task T126700, deployed at Wednesday, 24 February 2016.	16 February 2016(2016-02-16)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.13
group 2  Done	11 February 2016(2016-02-11)	All Wikipedias
group 1  Done	10 February 2016(2016-02-10)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	9 February 2016(2016-02-09)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.12
group 2  Done	4 February 2016(2016-02-04)	All Wikipedias
group 1  Done	3 February 2016(2016-02-03)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done Delayed due to staging issues, see task T125506, deployed at Wednesday, 03 February 2016.	2 February 2016(2016-02-02)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.11
group 2 N Not done Reverted due to login problems, see task T124252; re-deployed at Tuesday, 26 January 2016. Again reverted due to on-going problems with SessionManager, no re-deployment, version skipped.	28 January 2016(2016-01-28)	All Wikipedias
group 1 N Not done Reverted due to login problems, see task T124252; re-deployment scheduled for Wednesday, 27 January 2016. Again reverted due to on-going problems with SessionManager, no re-deployment, version skipped.	27 January 2016(2016-01-27)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0 N Not done Reverted due to login problems, see task T124252; re-deployed at Tuesday, 26 January 2016. Again reverted due to on-going problems with SessionManager, no re-deployment, version skipped.	26 January 2016(2016-01-26)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.10
group 2  Done	14 January 2016(2016-01-14)	All Wikipedias
group 1  Done	13 January 2016(2016-01-13)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	12 January 2016(2016-01-12)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.9
group 2  Done	17 December 2015(2015-12-17)	All Wikipedias
group 1  Done	16 December 2015(2015-12-16)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	15 December 2015(2015-12-15)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.8
group 2  Done	10 December 2015(2015-12-10)	All Wikipedias
group 1  Done	9 December 2015(2015-12-09)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	8 December 2015(2015-12-08)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.7
group 2  Done	19 November 2015(2015-11-19)	All Wikipedias
group 1  Done	18 November 2015(2015-11-18)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	17 November 2015(2015-11-17)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.6
group 2  Done	12 November 2015(2015-11-12)	All Wikipedias
group 1  Done	11 November 2015(2015-11-11)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	10 November 2015(2015-11-10)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.5
group 2  Done	5 November 2015(2015-11-05)	All Wikipedias
group 1  Done	4 November 2015(2015-11-04)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	3 November 2015(2015-11-03)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.4
group 2  Done	29 October 2015(2015-10-29)	All Wikipedias
group 1  Done	28 October 2015(2015-10-28)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	27 October 2015(2015-10-27)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.3
group 2  Done Canceled due to Outages (click for more infos), re-deployed at October 22.	15 October 2015(2015-10-15)	All Wikipedias
group 1  Done Canceled due to Outages (click for more infos), re-deployed at October 21.	14 October 2015(2015-10-14)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	13 October 2015(2015-10-13)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.2
group 2  Done	8 October 2015(2015-10-08)	All Wikipedias
group 1  Done	7 October 2015(2015-10-07)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done Reverted due to a File backend exception, and re-deployed at 6 October.	6 October 2015(2015-10-06)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.27.0-wmf.1
group 2  Done	1 October 2015(2015-10-01)	All Wikipedias
group 1  Done	30 September 2015(2015-09-30)	All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	29 September 2015(2015-09-29)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
Phase	Date	Wikis