MediaWiki 1.35/Roadmap

Wikimedia Foundation project MediaWiki 1.35 Deployment of MediaWiki 1.35.0-wmf.XX versions and release of MediaWiki 1.35 Group: Release Engineering Start: 2019-10-01 End: 2020-07-16 ← MediaWiki 1.34 MediaWiki 1.36 →

Timeline

Wikimedia deployments of MediaWiki 1.35 alpha versions will happen on weekly intervals, within a longer stretch (approximately 6 months) between publishing releases of the installer for third-party users.

Current status:  Done

Schedule for the deployments

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

Phase	Date	Wikis
1.35.0-wmf.41
group 2  Done	16 July 2020(2020-07-16)	All Wikipedias
group 1  Done	15 July 2020(2020-07-15)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	14 July 2020(2020-07-14)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.40
group 2  Done	9 July 2020(2020-07-09)	All Wikipedias
group 1  Done	8 July 2020(2020-07-08)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	7 July 2020(2020-07-07)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.39
group 2  Done Deployed on Wednesday, 1 July due to US Independence Day [1]	2 July 2020(2020-07-02)	All Wikipedias
group 1  Done	1 July 2020(2020-07-01)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done Rolled out and back, then out once again on the same day.	30 June 2020(2020-06-30)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.38
group 2  Done	25 June 2020(2020-06-25)	All Wikipedias
group 1  Done Rolled out and back, then out once again on the same day.	24 June 2020(2020-06-24)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	23 June 2020(2020-06-23)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.37
group 2  Done	18 June 2020(2020-06-18)	All Wikipedias
group 1  Done	17 June 2020(2020-06-17)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	16 June 2020(2020-06-16)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.36
group 2  Done	11 June 2020(2020-06-11)	All Wikipedias
group 1  Done	10 June 2020(2020-06-10)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	9 June 2020(2020-06-09)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.35
group 2  Done	4 June 2020(2020-06-04)	All Wikipedias
group 1  Done	3 June 2020(2020-06-03)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	2 June 2020(2020-06-02)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.34
group 2  Done	28 May 2020(2020-05-28)	All Wikipedias
group 1  Done Rolled out and immediately back on 2020-05-27; re-deployed on 2020-05-28.	27 May 2020(2020-05-27)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	26 May 2020(2020-05-26)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.32
group 2  Done Rolled out and immediately back on 2020-05-14; re-deployed on 2020-05-26.	14 May 2020(2020-05-14)	All Wikipedias
group 1  Done	13 May 2020(2020-05-13)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	12 May 2020(2020-05-12)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.31
group 2  Done Rolled out and immediately back on 2020-05-07; redeployed on 2020-05-11	7 May 2020(2020-05-07)	All Wikipedias
group 1  Done Deployed on schedule, then rolled back later on 2020-05-08; redeployed on 2020-05-11	6 May 2020(2020-05-06)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done Deployed on schedule, then rolled back on 2020-05-08; redeployed on 2020-05-11	5 May 2020(2020-05-05)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.30
group 2  Done Deployed on schedule, then rolled back later on 2020-04-30; redeployed on 2020-05-04	30 April 2020(2020-04-30)	All Wikipedias
group 1  Done Deployed on schedule, then rolled back on 2020-04-30; redeployed on 2020-05-04	29 April 2020(2020-04-29)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	28 April 2020(2020-04-28)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.28
group 2  Done	16 April 2020(2020-04-16)	All Wikipedias
group 1  Done	15 April 2020(2020-04-15)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	14 April 2020(2020-04-14)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.27
group 2  Done	9 April 2020(2020-04-09)	All Wikipedias
group 1  Done	8 April 2020(2020-04-08)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	7 April 2020(2020-04-07)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.26
group 2  Done	2 April 2020(2020-04-02)	All Wikipedias
group 1  Done Rolled back on 2020-04-01, then re-deployed on 2020-04-02.	1 April 2020(2020-04-01)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	31 March 2020(2020-03-31)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.25
group 2  Done	26 March 2020(2020-03-26)	All Wikipedias
group 1  Done	25 March 2020(2020-03-25)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	24 March 2020(2020-03-24)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.24
group 2  Done	19 March 2020(2020-03-19)	All Wikipedias
group 1  Done	18 March 2020(2020-03-18)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	17 March 2020(2020-03-17)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.23
group 2  Done	12 March 2020(2020-03-12)	All Wikipedias
group 1  Done	11 March 2020(2020-03-11)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	10 March 2020(2020-03-10)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.22
group 2  Done	5 March 2020(2020-03-05)	All Wikipedias
group 1  Done	4 March 2020(2020-03-04)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	3 March 2020(2020-03-03)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.21
group 2  Done	27 February 2020(2020-02-27)	All Wikipedias
group 1  Done	26 February 2020(2020-02-26)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	25 February 2020(2020-02-25)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.20
group 2  Done	20 February 2020(2020-02-20)	All Wikipedias
group 1  Done	19 February 2020(2020-02-19)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	18 February 2020(2020-02-18)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.19
group 2  Done Rolled out and back immediately on 2020-02-13; re-deployed on 2020-02-18.	13 February 2020(2020-02-13)	All Wikipedias
group 1  Done	12 February 2020(2020-02-12)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	11 February 2020(2020-02-11)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.18
group 2  Done Rolled out and immediately back on 2020-02-06; re-deployed on 2020-02-09.	6 February 2020(2020-02-06)	All Wikipedias
group 1  Done Rolled back everywhere on 2020-02-07; re-deployed on 2020-02-10.	5 February 2020(2020-02-05)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done Rolled back everywhere on 2020-02-07; re-deployed on 2020-02-10.	4 February 2020(2020-02-04)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.16
group 2  Done	23 January 2020(2020-01-23)	All Wikipedias
group 1  Done	22 January 2020(2020-01-22)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	21 January 2020(2020-01-21)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.15
group 2  Done	16 January 2020(2020-01-16)	All Wikipedias
group 1  Done	15 January 2020(2020-01-15)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	14 January 2020(2020-01-14)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.14
group 2  Done	9 January 2020(2020-01-09)	All Wikipedias
group 1  Done	8 January 2020(2020-01-08)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	7 January 2020(2020-01-07)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.11
group 2  Done	19 December 2019(2019-12-19)	All Wikipedias
group 1  Done	18 December 2019(2019-12-18)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	17 December 2019(2019-12-17)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.10
group 2  Done	12 December 2019(2019-12-12)	All Wikipedias
group 1  Done	11 December 2019(2019-12-11)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	10 December 2019(2019-12-10)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.8
group 2  Done Eventually deployed on 2019-12-09.	28 November 2019(2019-11-28)	All Wikipedias
group 1  Done Eventually deployed on 2019-12-09.	27 November 2019(2019-11-27)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	26 November 2019(2019-11-26)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.5
group 2  Done	7 November 2019(2019-11-07)	All Wikipedias
group 1  Done	6 November 2019(2019-11-06)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	5 November 2019(2019-11-05)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.4
group 2  Done	31 October 2019(2019-10-31)	All Wikipedias
group 1  Done	30 October 2019(2019-10-30)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done Done on Friday 2019-10-31	29 October 2019(2019-10-29)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.3
group 2  Done	24 October 2019(2019-10-24)	All Wikipedias
group 1  Done	23 October 2019(2019-10-23)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	22 October 2019(2019-10-22)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.2
group 2  Done Done on Monday 2019-10-21	17 October 2019(2019-10-17)	All Wikipedias
group 1  Done	16 October 2019(2019-10-16)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	15 October 2019(2019-10-15)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
1.35.0-wmf.1
group 2  Done	10 October 2019(2019-10-10)	All Wikipedias
group 1  Done	9 October 2019(2019-10-09)	Catalan Wikipedia, Hebrew Wikipedia, test2.wikipedia.org and all non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, Wikivoyage, Wikidata and a few other sites)
group 0  Done	8 October 2019(2019-10-08)	MediaWiki.org; test.wikipedia.org; test.wikidata.org
Phase	Date	Wikis