Max

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* Order sorted by last comment publish date when delete comment [Pilar Marinas]
* Maintenance conversations [Pilar Marinas]
* Two people conversation [Pilar Marinas]
* Remove print [Carles Bruguera]
* Fix failing tests [Carles Bruguera]
* Remove ipdb [Carles Bruguera]
* WIP Fix conversations user leaves 2-user conv. [Carles Bruguera]

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* Fix is_head request [Victor Fernandez de Alba]
* Implemented second endpoint required for new version of stats. /conversations/active [Victor Fernandez de Alba]
* New endpoint for getting the overall messages (filtered) [Victor Fernandez de Alba]
* Fix date filter format, allowing now 01 and 1 month format [Victor Fernandez de Alba]
* Var mismatch [Carles Bruguera]

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* Move optimizer code to catch all query additions [Carles Bruguera]
* Get image/file url when using aggregation [Carles Bruguera]
* Use aggregation to retrieve all user last messages [Carles Bruguera]

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* Include collection name on hash key [Carles Bruguera]
* Globally catch & fix suboptimal $or queries [Carles Bruguera]
* Reorganize debug and probe out of main max code [Carles Bruguera]

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* Lighten duplicated post search query [Carles Bruguera]
* Optimize timeline query, remove empty query parts [Carles Bruguera]
* Generate unique query list [Carles Bruguera]
* Remove old token fields references [Carles Bruguera]
* Avoid noisy errors on mongodb autoreconnect tests [Carles Bruguera]

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* Conditionaly enable mongodb_probe & patches [Carles Bruguera]
* Don't wake contexts unless policy is needed [Carles Bruguera]
* Implement way to avoid waking up fresh objects [Carles Bruguera]
* Save test name on reports [Carles Bruguera]
* Refactor security to access always a singleton Security [Carles Bruguera]
* Store mongo_probe reports by request [Carles Bruguera]
* WIP tween and patches to probe mongo queries [Carles Bruguera]
* Optimize context activity search, remove duplicated query [Carles Bruguera]
* Optimize timeline query [Carles Bruguera]