Bug Fixes
- core: call register control on fieldArray update (eff1e61), closes #3693
- core: detect valueChanges of local field controls (7c90ae4), closes #3455 #3527 #3524 #3549 #1222
- material: add missing name attribute (7c6ece1), closes #3684
- material: update focus state after interacting with checkboxes (9c5d187), closes #3691