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Sometimes a community demands a wiki configuration change that is technically feasible to implement, but is rejected by the system administrators, who hold the ultimate authority over MediaWiki configuration.
This page serves to document how system administrators usually react to certain types of requests, and what the community should expect from them. As such, it doesn't need to contain all rejections from system administrators, just ones that are likely to be requested again. If you feel that a rejected request should (or should not) be listed here, please update this table as appropriate, even if you're not a system administrator. If you're not sure, leave a comment on the talk page.
This section lists requests that will be declined right away.
The Wikimedia Foundation's Legal department also prohibits some changes for legal reasons.
|Speco de peto||Ekzempla peto||Kialo||Notoj|
|Changes that make the wiki less open||Remove a log from logged actions||Transparency is a non-negotiable principle of MediaWiki. Feature requests are recommended if a log is bothering the community and features to filter it out don't exist yet.||This doesn't include hiding a log by default from Special:Log, but only cases when the log would not exist at all.|
|Enable CAPTCHA for all edits of non-confirmed users permanently||This configuration places an undue restriction on new contributors, given CAPTCHAs are here to help with abuse and vandalism, not to serve any other purpose. System administrators deemed that this is incompatible with Wikimedia core values, and as such, prohibited this change.||Please note this is about enabling CAPTCHA for all edits permanently. If your wiki is experiencing immediate and unmanageable abuse/vandalism, please do reach out to the system administrators. This would be considered as a security incident report. As such, please use the security report form. This will create a task to be visible to the Wikimedia Foundation Security department, as well as relevant system administrators. They will jointly assess your issue, decide on potential restrictions and implement them. You do not need to recommend any solutions.|
|Remove editing permission from a user group||"Anyone can edit" is a non-negotiable principle of Wikimedia projects. Full revocation of editing permissions from any user group will not be enabled.||Partial revocation of editing privileges, like enwiki's ACTRIAL, can happen from time to time, but those cases are extremely rare and are subject to careful consideration. See also "Disable non-autoconfirmed page creation" below.|
|Teknike neeblaj ŝanĝoj||Changes to the naming of timezone options||MediaWiki uses the PHP timezone database, which uses the IANA Time Zone Database. As such, it is technically and physically impossible to change the names of any timezone options. It's only possible to change which timezone is the default in your wiki via the $wgLocaltimezone variable.|
|Proposed changes with security and/or legal liability issues||Allow non-admins to view deleted content||WMF Legal has barred non-admins not passing an RFA-comparable process from viewing deleted content; see Wikipedia:Viewing deleted content.||Creation of such a user group usually require WMF Legal review. Small wikis will not likely be allowed to have such user groups.|
|Allow non-stewards to manage CheckUser/Oversight permissions||Only stewards are allowed to manage those highly restricted groups; local wikis are not allowed to customize this.||CheckUsers and oversights are governed by global policies; stewards will ensure that the policies are correctly enforced.|
|Add hideuser right to non-oversighters||By policy, it is the task of oversighters to hide things from the public. Oversighters sign confidentiality agreements and are legally required to keep the information private, while this is not true of administrators and others.|
|Grant Interface admins other permissions||The purpose of interface admins is to make fewer users able to edit CSS and JS pages. Granting other rights to this group may encourage wikis to grant this right when their intention is different.||Per discussion in T320752, this does not apply to |
|Allow administrators to grant bot, administrator or interface admin rights||Rejected because granting and removing those flags is a task for bureaucrats where present, or stewards. Interface administrators also have highly sensitive permissions (to edit CSS and JS pages) and requests for granting must be carefully considered. As such, it is necessary that only bureaucrats or stewards handle this task.||Wikis that currently don't have any bureaucrats and feel they are big enough to handle this themselves are recommended to elect bureaucrats instead.|
|Allow bureaucrats to remove bureaucrat rights||This is to protect the safety of the projects. Since bureaucrat permissions are higher than those of administrators, only stewards are allowed to do this.||Bureaucrats on all private wikis can remove bureaucrat status, but that's because private wikis are managed by dedicated groups and serve special support purposes rather than host content.|
|Ŝanĝoj por uzo de nesubtenataj teknikoj, aŭ por misuzi ilin nesubtenatmaniere||Instalado de etendaĵoj/etosoj ne bone mastrumataj||Some extensions are currently installed in some Wikimedia wikis, but have significant unresolved problems or bugs. So it is decided not to install these extensions to further wikis, though existing installations will be preserved.||Currently includes:|
|Enable VisualEditor on talk pages||The visual editor is not built to support editing talk pages. As such, enabling the visual editor in a talk page namespace is likely to not always work as expected by the community. To save developers from bug reports about something that's not supposed to work in the first place, enabling VisualEditor on talk pages has been prohibited.||StructuredDiscussions implemented some VisualEditor features; another alternative is the New Discussion Tool.|
|Changing the default skin on any individual wiki||Wikimedia should have a standardized look globally across all our projects. It has been decided that Vector will remain the default skin on all Wikimedia Wikis.||Changing the default skin on all Wikimedia wikis is certainly not prohibited, but would be extremely difficult to accomplish, and would be centrally led. Not only would this require consultation with all affected communities before such a decision could be made, but a massive effort would also be required to make all the necessary changes "behind the scenes".|
Changes that need to meet specific criteria
|Type of request||Reason|
|Local file uploads||According to Wikimedia's licensing policy, all projects are expected to host only content under a Free Content License. In limited circumstances, a project may adopt an Exemption Doctrine Policy (EDP), which defines (in accordance with both United States law as well as the law of countries where the project content is predominantly accessed) when copyrighted materials can be updated.|
|Installing extensions/skins that aren't already installed on at least one Wikimedia project||To protect the security of the Wikimedia infrastructure, all extensions, skins and other components running in it must pass security, performance and other reviews. Extensions that are not already installed on at least one Wikimedia project won't be considered for installation until they pass such reviews. See Writing an extension for deployment on MediaWiki.org for required steps.|
Changes that are likely to be declined
This section lists changes that are not strictly prohibited, but are likely to be declined unless special evidence can be presented to convince system administrators that the changes are necessary.
|Speco de peto||Kialo|
|Disable non-autoconfirmed page creation||This configuration places an undue restriction on new contributors. Sysadmins will resist such a request unless the wiki in question (1) is prepared to handle drafts in a timely manner, (2) has a well developed editing and administrative community, and (3) has established an unusually broad consensus for the change. The first two points can be addressed by appealing to the wiki's size: the number of active editors, sysops, bureaucrats, and other functionaries should be similar to "big wikis", otherwise a very good explanation will need to be given as to why the request should be accepted. The third point can be satisfied by a carefully discussed on-wiki RFC, with the closing administrator explaining the consensus in the relevant Phabricator task; if the consensus does not look particularly strong on its face (note that there may not be any sysadmins who are able to read the local language of the wiki), the admin will have to explain why it nonetheless should be considered sufficiently broad.|
|Allow bureaucrats to remove administrator permissions||While bureaucrats on some wikis can revoke the administrator flag, at most wikis this is the responsibility of stewards. In order for this kind of request to be accepted, the wiki should be large—with multiple active bureaucrats—and be able to demonstrate a real need for the change. In smaller wikis this ability is prone to abuse by bureaucrats wishing to usurp the power of the community to decide on issues of adminship.|
|Special groups on small wikis||System administrators may consider wiki size before adding a special user group. Such requests sometimes seem to be motivated by the mere desire to have something that bigger wikis have rather than an actual need. For example, members of the rollbacker group are given a tool that allows them to do with one click the same thing ordinary users can do in a series of steps (revert multiple edits by the same user); in small, low-traffic wikis this speed increase may not be necessary and must be weighed against the potential for abuse. Also, sometimes requests to create a custom group can instead be implemented with an existing user group (such as autopatrolled). In the interest of manageability, sysadmins will not create a new group if an alternative approach can be found.|
Changes that are likely to be stalled, though not declined
This section lists changes that are of course not be declined per consensus, but due to very high technical matters, they won't be handled shortly.
|Type of request||Reason|
|Change the canonical URL of a wiki||See also: Special language codes, Wiki-setup (rename) and phab:T172035|
For several decades, some Wikimedia projects have been using canonical URLs which have problems like using the wrong language code or being otherwise confusing.
As of January 2022, the process of renaming wikis and changing their URLs remains a severe technical challenge. So far, only the following wikis have ever been successfully renamed:
Changes made by the system administrators at their own discretion
As noted at Requesting wiki configuration changes, the ultimate authority on Wikimedia configuration lies with the system administrators, as only system administrators can edit it, and as such, are fully responsible for configuration.
As such, system administrators can not only reject requests, but also change configuration on their own. This section aims to explain and document why this might happen, but given the world can be hard to predict, it isn't (and can't be) complete by any means.
In this section, "changes made by the system administrators" are called "measures" for the purpose of simplicity.
Measures are mostly taken to protect the security of the Wikimedia infrastructure, but infrequently, can happen for other reasons as well.
The other reasons aren't mentioned here, because it is hard to predict them.
Examples include (but are not limited to) exceptionally high levels of vandalism, other attempts to disrupt the Wikimedia movement and the like.
Measures can be both permanent and temporary, but temporary measures tend to be more frequent.
System administrators do their best to limit temporary changes as much as possible (in both scope and duration), while still keeping the measures effective.
Any measures may or may not be communicated to the community, as warranted by security implications.
Temporary measures can include (but are not limited to) decreasing the limit of accounts created from one IP address, requiring CAPTCHAs for all edits and the like.
Permanent measures can include (but are not limited to) taking away certain abilities from administrators in favour of dedicated groups or deciding that two-factor authentication is mandated for a user group.