Difficulties versions + 1.13 bedrock edition

Difficulties versions 1.13 and up in tablet :

1-Movement skins and Switch hands

2-always delay is in tablet.but in versions 1.13 and up Has become more

3- cant install version 1.16.0.2 and 1.16.20.53 in tablet

4-villagers dont farming in beta versions 1.16

5-spawner in 1.16.1 Does not work