We are currently running off of a tagged branch, the best thing to do would be for @mmodell to update his differential upstream, with appropriate arc liberate stuffs and then we can continue to do the same until https://secure.phabricator.com/D9203 is officially accepted upstream.
There a number of minor and some major fixes;
https://github.com/phacility/phabricator/commit/ce55bb1d9630f35a9ab4dee2dced03536e484efd
https://github.com/phacility/phabricator/commit/351f4722d960627ae38263f6e9f8dc0a4462660c
https://github.com/phacility/phabricator/commit/351f4722d960627ae38263f6e9f8dc0a4462660c
https://github.com/phacility/phabricator/commit/923f625130cdc9d32a60367652ff3a17bcbb7c28
https://github.com/phacility/phabricator/commit/ce55bb1d9630f35a9ab4dee2dced03536e484efd
https://github.com/phacility/phabricator/commit/97f05d6ab892b6ce5da4b44ed9a5d72cbba852ba
https://github.com/phacility/phabricator/commit/03a02530cbd599b59d8fc3fd76cd6155e0253c19
https://github.com/phacility/phabricator/commit/bf66c90852bad5a6e516cb987760cbaa7fc233fd
https://github.com/phacility/phabricator/commit/de40bc0c1d865ae65c59a6bbc71b5da4efa9df69
https://github.com/phacility/phabricator/commit/e43305278ac9ea91aff0d7e378aa0964d10e9dd2
https://github.com/phacility/phabricator/commit/934eea2ef2a06919f5d65aad3c59e684796d4e6e
Because of https://secure.phabricator.com/T1191
This will need to be heavily tested (sizeable storage modifications)