Merge pull request facebook#2435 from facebook/dev

v1.4.8 hotfix

Merge pull request facebook#2426 from facebook/changelog147

Updated CHANGELOG for v1.4.7

Merge pull request facebook#2154 from facebook/dev

v1.4.5

Merge pull request facebook#1865 from facebook/dev

fix dictionary edge case

v1.4.3: Merge pull request facebook#1730 from facebook/dev

v1.4.2: Merge pull request facebook#1700 from facebook/dev

v1.4.1: Merge pull request facebook#1691 from facebook/dev

Merge pull request facebook#1586 from facebook/dev

v1.4.0

Merge pull request facebook#1479 from facebook/visualTest

Fix remaining Windows errors

minor NEWS update for v1.3.7