Compatibiliteit

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MediaWiki strives to maintain broad compatibility between versions, and with a range of current and legacy software. At the same time, the constantly-evolving codebase and features of the latest MediaWiki development mean that it is not possible to maintain compatibility with legacy software indefinitely.

If you wish to suggest a change to what MediaWiki supports, you can file a request for comment on Phabricator.

Server software

These sections provide an overview of the software required on the server to run MediaWiki.

PHP

De laatste stabiele aftakking van MediaWiki (7.3.19) draait op elke versie van PHP 7.3 vanaf 7.3.19 en hoger en elke versie van PHP 7.4 vanaf 7.4.3 en hoger.

Voor toekomstige versies, zie Support policy for PHP .

Ondersteuning van HHVM is gestopt in MediaWiki 1.34. Het gebruik ervan wordt sterk afgeraden.
MediaWiki biedt geen ondersteuning voor PHP 7.4.0 tot PHP 7.4.2 vanwege een bug in PHP. Gebruik in plaats hiervan PHP 7.4.3 of later. Zie taak T246594 voor meer informatie.
MediaWiki biedt nog geen ondersteuning voor PHP 8. Zie taak T248925 voor meer informatie.
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Database

MediaWiki ondersteund meerdere soorten database servers. Het gebruik van MySQL of MariaDB wordt aanbevolen.

Using any other database software is not recommended for production use. Support differs from MediaWiki version to MediaWiki version and ranges from dubious to stable. MediaWiki heeft abstractie lagen voor PostgreSQL en SQLite, die in het algemeen goed onderhouden zijn.

Waarschuwing Waarschuwing: Since MediaWiki 1.34 , we no longer support using Oracle and Microsoft SQL Server . We strongly advise to no longer to use these.
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Web server

MediaWiki is broadly compatible with all major web servers that can invoke a compatible version of PHP. Apache wordt het meest gebruikt en getest. Nginx is ook een goede keuze.

MediaWiki extensies

As long as an extension is properly maintained (which you can see at the top of the infobox on its description page), the master branch of the extension should be compatible with the master branch of MediaWiki. For determining compatibility with older MediaWiki versions, there are two common policies used by extensions:

  • master (key: master): the master branch of the extension is compatible with both current and older versions of MediaWiki.

Back-compatibility hacks are added to the extension source code as needed.

  • release branches (key: rel): For every MediaWiki release, there is a corresponding branch in the extension.

So e.g. if you use MediaWiki 1.35, you should use the REL1_35 branch of the extension.

The compatibility policy field of the {{Extension/nl}} infobox tells which policy is used by a given extension. Use the respective keys indicated above to specify the information.

Some extensions may have more specific compatibility policies, for instance:

Browsers

Algemene informatie

There is an ever-growing number of different web browsers in the world.

Too many to actively test and support each one. To guide our practices around browser support, we have three levels of support. Each tier represents a different category of browsers.

Modern (Trap A)

This group (also known as Grade A) represents the highest level of support. Features take advantage of capabilities in modern browsers, while allowing a graceful fallback for older browsers. All features provided by the software (whether or not in a degraded form) must work in these browsers.

Browsers in this category are known (listed below) and actively tested against. Problems users perceive in these browsers are addressed with high priority.

Standaard (Trap C)

This group (also known as Grade C) is provided the core functionality of the MediaWiki platform. Our HTTP responses are compatible with these browsers (e.g. HTTP features we rely on, character encoding, and image formats used by the content; must work in these browsers). In the front-end this means content is presented in a readable manner, and to some extent user actions can be performed, but these browsers do not get JavaScript features.

Browsers in this category are known (listed below) and identified via a feature test suite and a user agent filter in the startup module.

Onbekend (Trap X)

This group (also known as Grade X) represents all other browsers. This includes browsers that are no longer developed or browsers not popular enough to justify the added maintenance cost for software development.

Browsers not included in any other group belong to this category.

Problems users perceive in these browsers only are given low priority, or not supported at all.

MediaWiki handles these browsers the same as Modern (Grade A) browsers and they are thus assumed to be capable. This principle provides various important benefits:

  • New or unsupported versions of modern browsers may temporarily be considered Unknown if they are not yet tested against by us. Treating Unknown browsers as capable ensures optimal user experience in these browsers.
  • Users of new and evolving browsers are given a chance to have a modern experience.
  • Users of less popular browsers based on, or derived from, known modern browsers are not negatively impacted (e.g. Iceweasel).

In de praktijk is het enige verschil tussen Onbekende en Moderne browsers dat we niet actief met Onbekende browsers testen.

These browsers are given the full feature set, which means HTTP, HTML, CSS and JS feature may or may not be compatible with these browsers, and may or may not be affected by measures (e.g. fallback CSS for newer CSS features) intended for Grade C browsers. In particular, JavaScript will be disabled if no support for features MediaWiki uses is found.

Speciale behandeling voor IE11

Starting in March of 2021, new JavaScript features on any Wikimedia project will not be supported on IE11, as documented at Compatibility/IE11 . This is the beginning of downgrading this browser to Basic or grade C class.

Browser support matrix

The principles and different grades described above apply to MediaWiki core and extensions alike. The support matrix below applies these grades in the context of MediaWiki core, Wikimedia Foundation infrastructure, and any MediaWiki extensions that decide to follow it. Individual extensions may have their own support matrix distributing browsers among the different levels of support. See also Browser usage breakdown dashboard.

Browser support matrix as of november 2020 v · d · e
Browsers Chrome Firefox Opera Edge Edge Legacy Internet Explorer Safari iOS Android
Modern (grade A) Huidige en vorige versie Geen 11+[1][2][3][4] 5.1+ 6.1+ 4.1+
Basis (grade C) 1+ (2008) 3.6+ (2010)[5] 15.0+ (2013) 79+ (2020) 12+(2015) 9+ (2011)[6][7] 3.0+ (2007) 5.0+ (2011) 3.0+ (2011)[8]
Onbekend (grade X) Alle andere browsers

Mobiel

The Web team at the Wikimedia Foundation applies a narrower support matrix for mobile-specific skins e.g. Minerva and/or extensions designed only to run on mobile devices e.g. MobileFrontend . The support matrix is compiled from the data provided by the analytics user agent breakdown dashboard. Where browser usage is over 5%, a modern experience (Grade A) is supported. Basic support (Grade C) is provided for anything over 0.1% during the previous 12 months. In mobile we strive to provide a Grade B. Users of grade B may or may not get JavaScript and we do not test to the same level as A, thus we prioritize bug fixes lower.

Modern support browser list on MobileFrontend is defined in .browserlistsrc file.

Anything absent in the list or older is considered a basic supported browser.

Notities

  1. Vanaf MediaWiki 1.24 wordt JavaScript in Internet Explorer 6 en 7 niet langer ondersteund. gerrit:152072, gerrit:152128, Wikitech-ambassadors message
  2. Vanaf MediaWiki 1.27 wordt JavaScript in Internet Explorer 8 niet langer ondersteund. gerrit:252383, Wikitech-ambassadors message
  3. Vanaf MediaWiki 1.29 wordt JavaScript in Internet Explorer 9 en andere niet-ES5 browsers niet langer ondersteund. T128115
  4. Vanaf MediaWiki 1.31 wordt JavaScript in Internet Explorer 10 niet langer ondersteund. T187869
  5. As of MediaWiki 1.36, Basic support for Firefox 3.0 & 3.5 has stopped. T262946
  6. As of MediaWiki 1.35, Basic support for Internet Explorer 6 and 7 has stopped. T232563
  7. As of MediaWiki 1.36, Basic support for Internet Explorer 8 has stopped. T248061
  8. As of MediaWiki 1.35, Basic support for Android 2 has stopped. T249788

Zie ook