emberjs/ember.js

Ember.js - A JavaScript framework for creating ambitious web applications

Stars: 22.6k
Forks: 4.2k
Open beginner issues: 0
Indexed issues: 186
Avg merge: 3d 12h
Merged PRs (30d): 15

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Open All

186 open issues indexed

[Bug] <RouterService>#transitionTo incorrectly re-runs the the model hook when query params do not change Open

bug Routing

emberjs/ember.js#19497 · 13 comments · 9 reactions · 0 assignees · Indexed Sep 15, 2026
Re-enable TS ESLint rules Open

internal

emberjs/ember.js#19516 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[syntax] Repeated `<`s before a valid tag are silently ignored Open

glimmervm

emberjs/ember.js#21027 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
[Bug] Returning `transitionTo` in a `async beforeModel` hook prevents the app from booting. Open

bug Has Reproduction Routing

emberjs/ember.js#19573 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Transitions including updates to replace & refreshModel query params replace the previous history entry Open

Routing

emberjs/ember.js#19582 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
[Bug] TransitionAborted with queryParams refreshModel Open

Routing

emberjs/ember.js#19591 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] error substate is not transitioned to for application route model errors Open

Routing

emberjs/ember.js#19592 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Whitespace issue in HBS 2 Open

emberjs/ember.js#19603 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Tests] Improve test suite coverage for Routing Open

Routing

emberjs/ember.js#19609 · 12 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
A 'transitionTo' using the RouterService causes the model to reload when the transition is aborted Open

Routing

emberjs/ember.js#19611 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Bug report - Using async/await on the model hook of a route never renders Open

Routing

emberjs/ember.js#19679 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Could not initialize ember app in shadow root node Open

emberjs/ember.js#19734 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Some Deprecations seem to side-step the deprecation workflow Open

emberjs/ember.js#19753 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] createCache + HelperManager args are recycled upon update, meaning there is no way to access previous args? Open

emberjs/ember.js#19758 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Memory Leak of routeRecognizer states in acceptance tests Open

Performance Routing

emberjs/ember.js#19773 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Yielded undefined can be invoked as a component without error Open

emberjs/ember.js#19788 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
router.urlFor does not serialize nested query params Open

enhancement Routing

emberjs/ember.js#19791 · 7 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Multiple service instances based on invocation syntax Open

documentation

emberjs/ember.js#19794 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Integration tests visit application and index routes Open

Needs Reproduction Testing

emberjs/ember.js#19805 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Make rehydration more error tolerant Open

glimmervm

emberjs/ember.js#21026 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Improve error message when attempting to conditionally render a named block Open

glimmervm

emberjs/ember.js#21036 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] `<LinkTo>` fails to generate href in integration tests if linked route has a dynamic segment and no model is provided. Open

Needs Bug Verification Needs Reproduction Routing

emberjs/ember.js#19856 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Unable to prevent default <LinkTo> behavior without blocking all event handlers Open

emberjs/ember.js#19861 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] The `on` modifier does not work with the `modifier` helper Open

bug modifiers

emberjs/ember.js#19869 · 7 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
Rendering in <style> tags causes extra line breaks Open

glimmervm

emberjs/ember.js#21034 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Route dynamic segment is lost in aborted transition Open

Routing

emberjs/ember.js#19898 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Expose an import map as a source of truth Open

emberjs/ember.js#19904 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] PROXY_CONTENT accesses leak into app code Open

emberjs/ember.js#19926 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
[Bug] Ember 4 regression with passed-in event handlers Open

@ember/component

emberjs/ember.js#19976 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] LinkTo do not generates href when @model is defined as undefined Open

Needs Submitter Response Routing

emberjs/ember.js#19978 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Rendering errors lack context Open

bug Error Handling

emberjs/ember.js#19982 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Unexpected aborted transitions following call to RouterService.transitionTo() Open

Routing

emberjs/ember.js#20038 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] resetNamespace _within_ engines is broken Open

Engines Routing

emberjs/ember.js#20039 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Cryptic error when using a local template variable with the same name as an HTML element Open

Error Handling

emberjs/ember.js#20058 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Add tests to validate no dangling destroyables Open

emberjs/ember.js#20072 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Reactivity: Services Open

design

emberjs/ember.js#20095 · 8 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
[Bug] memory leak when there's an uncaught error in SSR (Fastboot) Open

bug Has Reproduction memory leak

emberjs/ember.js#20130 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] QueryParams get erroneously set when entering transition while there's an ongoing transition Open

Has Reproduction Query Params Routing

emberjs/ember.js#20139 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
improve unknown helper in error stack Open

enhancement Error Handling Has Reproduction

emberjs/ember.js#20213 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Conditional if not working Open

Has Reproduction modifiers

emberjs/ember.js#20255 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Feature] Better template error reporting Open

enhancement

emberjs/ember.js#20267 · 1 comment · 3 reactions · 0 assignees · Indexed Sep 15, 2026
[Documentation] Missing API docs for ModifierManager Open

documentation

emberjs/ember.js#20273 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Documentation] `@ember/controller` and `Controller` are missing from 4.8 and 4.9 API docs Open

documentation

emberjs/ember.js#20348 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] Give proper feedback when dynamic segments are passed as a hash to LinkTo or transitionTo Open

bug Routing

emberjs/ember.js#20395 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Router service's `urlFor` does not include sticky queryparams in generated url Open

bug Routing

emberjs/ember.js#20396 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] For a query param initialized as an array, visiting a URL with an unexpected value results in a crash Open

Query Params Routing

emberjs/ember.js#20421 · 7 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] "Maximum call stack size exceeded" error when abort transitions with query params only Open

bug Routing

emberjs/ember.js#20459 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Polaris Cleanup: Triage existing issues Open

emberjs/ember.js#20473 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
RouterService transitionTo/replaceWith transitions are always aborted when destination has refreshModel queryParams with a default value Open

bug Routing

emberjs/ember.js#20512 · 3 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] @dependentKeyCompat Doesn't Always Cause Computed Properties to Recompute Open

Classic

emberjs/ember.js#20534 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026

A short digest of beginner-friendly GitHub issues.