Architecture committee/2017-06-28

https://phabricator.wikimedia.org/T167906 Support for /data/ URLs is coming, see https://phabricator.wikimedia.org/T163921 and subtasks.
 * Last Call: Changing wikipage redirects to be proper HTTP redirects, https://phabricator.wikimedia.org/T53736. “Solution 1” was accepted for last call, log at https://tools.wmflabs.org/meetbot/wikimedia-office/2017/wikimedia-office.2017-06-28-21.00.log.html. If no pertinent issues remain unaddressed by July 12, this RFC will be approved for implementation.
 * Last Call: bump MediaWiki's minimum supported MySQL Version to 5.5 https://phabricator.wikimedia.org/T161232. If no pertinent issues remain unaddressed by July 12, this RFC will be approved for implementation.
 * Next week’s RFC discussion: Limit concurrency of API calls, instead of applying rate limits
 * Approved after last call: Drop requirement to define a talk namespace for every subject namespace, https://phabricator.wikimedia.org/T165149
 * Summary of week’s RFC discussion on The Great Namespaceization and Reorg: https://phabricator.wikimedia.org/T166010#3369408