Deprecation staging config, deprecation shaking, and classic object model deprecations (wave 1) - #21505

Draft

wagenet wants to merge 24 commits into

emberjs:mainfrom

wagenet:classic-object-model-deprecations

Commits on Jul 16, 2026

Draft RFC: per-deprecation early enablement and deprecation shaking

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60a4066
Add per-deprecation stage configuration via EmberENV.DEPRECATION_STAGES

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55c9801
Link shakable deprecations to @ember/deprecated-features flags

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b27e347
Wire deprecation shaking into the dist build

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2655f9e
Add ember-source/deprecation-shaking app plugin with smoke coverage

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e84cd53
Refine RFC and guard-convention docs for the two guard shapes

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39a0ef6
Discuss @embroider/macros in the RFC alternatives

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e129152
Resolve RFC open questions on API privacy and factory-family flags

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1aa3d1e
Address review findings in the shaking tooling

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8d954da

Commits on Jul 17, 2026

Create dist/ before writing deprecation-flags.json

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0e9959f
Drop the version-coupled isRemoved assertion from the shaking scenario

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a8a30f1
Let except exclude ids from enable in DEPRECATION_STAGES

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37b9a39
Route framework class definitions through internal non-deprecating aliases

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f342cd0
Deprecate extend, reopen, reopenClass, and Mixin.create (available stage)

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a738cc9
Deprecate computed properties and observers (available stage)

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2cd228b
Deprecate A() (available stage)

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097e23e
Deprecate ObjectProxy and ArrayProxy (available stage)

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e0a3d52
Document the classic object model deprecation wave

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cc22e75
Fire the computed-macro deprecation per call, not at barrel eval

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2a7961d
Correct the RFC appendix for the call-time macro wrappers

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e496574
Address review findings in the wave-1 deprecations

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191b5a1
Shield excepted ids from the removal simulation

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7221f6b
Keep stage-config registry tests out of production runs

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b3e8e64
Keep reopen call sites tree-shakable via internal statics

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7173c1c