Bug Fixes
- core: avoid unnecessary valueChanges on add/remove field array (#2361) (26370ce), closes #2355
- material: rely on checkbox change input instead of formly attr (#2356) (eaa66ed), closes #2353
- material: revert required behavior for checkbox (#2358) (3c08c38), closes #2349
- schematics: include ng-zorro-antd in uiTheme schema.json (ffad0db), closes #2333