Add deprecation for legacy addons #13015
Merged
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This adds a deprecation warning when we detect that the legacy view/controller
addons are enabled. Since these addons enable "hidden" features, users should
remove the addons from their applications even if they are not hitting the
existing deprecation paths (e.g.
Ember.View#init
), so that they can be surethat their applications will continue to work after we drop support for the
addons.