Reproduction

Diff from ember-cli blueprint

git clone [email protected]:bk-pb/data-multiple-unload.git
cd data-multiple-unload
npm i
ember s

NOTE: Do not open Ember Inspector before receiving the error. Having it open on the Data tab during reproduction seems to hide the issue.

1. Open http://localhost:4200/home
2. Navigate to Company List
3. Notice that @model.length is 2
4. Navigate to Home
5. Navigate to Company List again
6. Notice that @model.length is still 2
7. Navigate to Home
8. Navigate to Company List again
9. Notice that @model.length is now 4 and an error is thrown:

index.js:153 Uncaught (in promise) Error: Assertion Failed: Expected to receive a stable Identifier to subscribe to
    at assert (index.js:153:1)
    at NotificationManager.subscribe (index-36c7ac56.js:3571:1)
    at new RecordState (has-many-c1bfdebf.js:3242:1)
    at CompanyModel.init [as _super] (has-many-c1bfdebf.js:3626:1)
    at CompanyModel.init (has-many-c1bfdebf.js:5503:1)
    at CompanyModel.superWrapper (index.js:366:1)
    at initialize (core.js:74:1)
    at CompanyModel.create (core.js:398:1)
    at Store.instantiateRecord (index-36c7ac56.js:5529:1)
    at InstanceCache.getRecord (index-36c7ac56.js:2953:1)

Description

Loading / unloading the same resource (i.e. record with the same type and id) multiple times results in lingering record reference in cache, which triggers a missing stable identifier error on any subsequent peeks.

Upgrading from 3.24.2 to 4.12.3. Quite a jump, but it feels like this use case is simple enough that it shouldn't be blowing up like this.

Versions

Ember: 4.12.3
Ember Data: 4.12.3