v4.0.0-beta.0

Breaking changes

• Bump minimum require node to 12.10.0 62b5be2

Features/Improvements

• Bump yeoman-environment to 3.1.0 fd92eb8, d8049ec
• Convert router to Promises/async. 2598967
• Switch from listening to error event to catch rejected promise 5d533d7
• Lookup is a sync method at environment 2.x and 3.x. ec362f3
• Fix security warnings.

v3.1.1...v4.0.0-beta.0