Here are tasks that would be suitable for the Wikimania hackathon.
**MediaWiki-related tasks**
* Enable user registration via the front-end to Wikidocumentaries wiki and enable OAuth for editing Wikimedia projects
* Install VisualEditor
* Prototype an add-on to VisualEditor that makes links based on Wikidata items.
**Structured Data on Commons**
* Enhance media search and metadata retrieval from SDC
* Enable media and metadata upload to Wikimedia Commons
**Languages**
* Make translations to new languages
* Automate new translation inclusion
* Fix language bugs: recognise and route all language codes correctly, routing in general
**Wikibase**
* Create a linking mechanism for local articles to link to Wikidata items and store in Wikidocumentaries Wikibase
**Crowdsourcing**
* Create photo geotagging interface and solve data storage formats
* Include map georectification interface and solve data storage