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+---
+stage: accepted
+start-date: 2025-06-13T00:00:00.000Z
+release-date:
+release-versions:
+teams: # delete teams that aren't relevant
+  - cli
+  - data
+  - framework
+  - learning
+  - steering
+  - typescript
+prs:
+  accepted: https://github.com/emberjs/rfcs/pull/1112
+project-link:
+---
+
+<!---
+Directions for above:
+
+stage: Leave as is
+start-date: Fill in with today's date, 2032-12-01T00:00:00.000Z
+release-date: Leave as is
+release-versions: Leave as is
+teams: Include only the [team(s)](README.md#relevant-teams) for which this RFC applies
+prs:
+  accepted: Fill this in with the URL for the Proposal RFC PR
+project-link: Leave as is
+-->
+
+# Deprecating Ember Proxies
+
+## Summary
+
+Now that Native Proxy is available in all supported environments, we can deprecate
+Ember's custom Proxy handling provided by `ArrayProxy`, `ObjectProxy`, and `PromiseProxyMixin`.
+
+## Motivation
+
+These patterns were introduce to Ember prior to the availability of Native Proxy. Since
+Native Proxy is now available in all supported environments, we can deprecate these
+patterns in favor of the native Proxy API.
+
+Additionally, we would like to deprecate Mixins in the future necessitating that we first
+deprecate `PromiseProxyMixin`.
+
+## Transition Path
+
+There is no direct migration path for these. Code that relies upon this behavior will have to be rewritten.
+
+See the deprecation guide (PR'd here: https://github.com/ember-learn/deprecation-app/pull/1405 )
+
+## Exploration
+
+To validate this deprecation, I've tried removing the assocaited functionality in this PR:
+https://github.com/emberjs/ember.js/pull/20918
+
+## How We Teach This
+
+We should remove references to these patterns from the guides.
+
+## Drawbacks
+
+By not providing a direct replacement some users may have difficulty migrating.
+
+## Alternatives
+
+None
+
+## Unresolved questions
+
+None