Release 6.0.4

This will be the last release in the 6.x series. 7.0 will drop code related to several deprecations.

💥 Breaking Change

• #492 [Breaking] Drop support for Node.js 10, 13, 15 (@SergeAstapov)

🚀 Enhancement

• #494 Update ember-modifier to add support for 3.22 modifier capabilities (@SergeAstapov)
• #499 Deprecate old propagation model (@SergeAstapov)

🏠 Internal

• #490 Update npmignore file (@SergeAstapov)
• #498 Fix CI for latest Ember v4 beta/canary scenarios (@SergeAstapov)

Committers: 1

• Sergey Astapov (@SergeAstapov)