Hi,

The latest tech newsletter is now available at https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News/2014/43 . Below is the English version.

You can help write the next newsletter: whenever you see information about Wikimedia technology that you think should be distributed more broadly, you can add it to the next newsletter at https://meta.wikimedia.org/wiki/Tech/News/Next.

More information on how to contribute is available at https://meta.wikimedia.org/wiki/Tech/News#contribute . You can also contact me directly.

As always, feedback (on- or off-list) is appreciated and encouraged.

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Latest *tech news https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News* from the Wikimedia technical community. Please tell other users about these changes. Not all changes will affect you. You can read translations https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News/2014/43.

*Recent changes*

- You can test a new system to see math using MathML https://en.wikipedia.org/wiki/MathML. Go to your display options https://meta.wikimedia.org/wiki/Special:Preferences#mw-prefsection-rendering and choose "MathML with SVG or PNG fallback (experimental)". - You can add badges in Wikidata for quality articles and featured lists. [1] https://bugzilla.wikimedia.org/show_bug.cgi?id=70332 [2] https://bugzilla.wikimedia.org/show_bug.cgi?id=70268

*File information cleanup*

- You can join a wiki project https://meta.wikimedia.org/wiki/Special:MyLanguage/File_metadata_cleanup_drive to help tools read file information. It will help people reuse files. - See how to fix metadata https://meta.wikimedia.org/wiki/Special:MyLanguage/File_metadata_cleanup_drive/How_to_fix_metadata. You can fix it by adding markers to templates and adding templates to files. - You can see a list of files https://tools.wmflabs.org/mrmetadata/ missing machine-readable information on your wiki. - The files missing readable data are also in these categories: no license https://meta.wikimedia.org/w/index.php?title=Category:Files_with_no_machine-readable_license&action=edit&redlink=1 , no description https://meta.wikimedia.org/w/index.php?title=Category:Files_with_no_machine-readable_description&action=edit&redlink=1 , no author https://meta.wikimedia.org/w/index.php?title=Category:Files_with_no_machine-readable_author&action=edit&redlink=1 or no source https://meta.wikimedia.org/w/index.php?title=Category:Files_with_no_machine-readable_source&action=edit&redlink=1 . [3] https://lists.wikimedia.org/pipermail/wikitech-ambassadors/2014-October/000968.html

*Problems*

- Developers fixed a security problem https://en.wikipedia.org/wiki/POODLE. If you use Internet Explorer 6, you won't be able to log in any more. You should use a newer browser. [4] https://blog.wikimedia.org/2014/10/17/protecting-users-against-poodle-by-removing-ssl-3-0-support/

*Changes this week*

- The new version of MediaWiki (1.25wmf4 https://www.mediawiki.org/wiki/MediaWiki_1.25/wmf4) has been on test wikis and MediaWiki.org since October 16. It will be on non-Wikipedia wikis from October 21, and on all Wikipedias from October 23 (calendar https://www.mediawiki.org/wiki/MediaWiki_1.25/Roadmap). - 10% of logged-out readers are getting pages from servers that run the HHVM https://www.mediawiki.org/wiki/Special:MyLanguage/HHVM/About tool. HHVM should make pages load faster. You can also test it as a Beta Feature https://meta.wikimedia.org/wiki/Special:Preferences#mw-prefsection-betafeatures . [5] https://lists.wikimedia.org/pipermail/wikitech-ambassadors/2014-October/000965.html - If you add the same parameter twice in a template, it now puts the page in a tracking category. [6] https://bugzilla.wikimedia.org/show_bug.cgi?id=69964 [7] https://gerrit.wikimedia.org/r/#/c/136123/

*Tech news https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News prepared by tech ambassadors https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/Ambassadors and posted by bot https://meta.wikimedia.org/wiki/Special:MyLanguage/User:MediaWiki_message_delivery • Contribute https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News#contribute • Translate https://meta.wikimedia.org/wiki/Special:MyLanguage/Tech/News/2014/43 • Get help https://meta.wikimedia.org/wiki/Tech • Give feedback https://meta.wikimedia.org/wiki/Talk:Tech/News •Subscribe or unsubscribe https://meta.wikimedia.org/wiki/Global_message_delivery/Targets/Tech_ambassadors.*