salesforce/lwc

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⚡️ LWC - A Blazing Fast, Enterprise-Grade Web Components Foundation

Stars: 1.8k
Forks: 452
Open beginner issues: 0
Indexed issues: 394
Avg merge: 4d 13h
Merged PRs (30d): 18

Dominant language: JavaScript
License: No license data
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

Open All

394 open issues indexed

Allow lightning/modal to hide the 'X' button Open

External: Lightning Components

Difficulty 3/5 1-2 days Newbie friendliness 68/100

salesforce/lwc#5837 · 2 comments · Opened Jul 10, 2026
[lightning/uiGraphQLApi] : When querying a CustomSettings, error when CustomSetting Access is on a permissionSet in a permissionSetGroup. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

salesforce/lwc#5541 · 1 comment · Opened Oct 17, 2025
Throw on duplicate keys in iterators Open

USER STORY

Difficulty 4/5 3-5 days Newbie friendliness 35/100

salesforce/lwc#5540 · 10 comments · 1 reaction · Opened Oct 16, 2025
Please provide a reject option as opposed to just an accept list for lightning-file-upload Open

External: Lightning Components

Difficulty 4/5 3-5 days Newbie friendliness 32/100

salesforce/lwc#5397 · 1 comment · Opened Jun 25, 2025
Disabled dates for input type=date Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

salesforce/lwc#5389 · Opened Jun 19, 2025
Child component's @api setter bound to nested property not firing after modifying root-level @track'd variable Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

salesforce/lwc#5346 · 1 comment · Opened Apr 27, 2025
Inconsistent Handling of `null`/`undefined` Attributes Between Component Properties and `lwc:spread` Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

salesforce/lwc#5336 · 1 comment · Opened Apr 18, 2025
Incorrect compilation of `:host` selectors in scoped Light DOM styles Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

salesforce/lwc#5312 · Opened Mar 28, 2025
[SSR] Remove `styleDedupe` signature change warning from next release Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

salesforce/lwc#5309 · Opened Mar 26, 2025
Revisit error message specificity and clarity Open

Up for grabs USER STORY

Difficulty 2/5 1-3 hours Newbie friendliness 66/100

salesforce/lwc#5289 · 3 comments · Opened Mar 14, 2025
Add more control when hydration happens Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

salesforce/lwc#5279 · 2 comments · Opened Mar 8, 2025
Add tests for `@lwc/ssr-client-utils` Open

SSR Up for grabs USER STORY

Difficulty 3/5 1-2 days Newbie friendliness 38/100

salesforce/lwc#5272 · 1 comment · Opened Mar 7, 2025
Run playground as part of CI Open

Up for grabs

Difficulty 4/5 3-5 days Newbie friendliness 55/100

salesforce/lwc#5257 · 2 comments · 1 reaction · Opened Mar 4, 2025
Invalid apex.d.ts type defs are generated by the VSCode extension Open

External: Other Salesforce typescript

Difficulty 3/5 1-2 days Newbie friendliness 42/100

salesforce/lwc#5244 · 1 comment · Opened Feb 27, 2025
Incorrect transpilation of direct child selectors in scoped Light DOM styles with native CSS nesting Open

BUG P3 light-dom

Difficulty 4/5 3-5 days Newbie friendliness 45/100

salesforce/lwc#5209 · 2 comments · 1 reaction · Opened Feb 11, 2025
Non-standard ARIA attributes do not work with `lwc:spread` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

salesforce/lwc#5202 · 2 comments · Opened Feb 9, 2025
Decorated static props are treated as instance props Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

salesforce/lwc#5161 · Opened Jan 22, 2025
Improve SSR v2 test coverage Open

SSR tests USER STORY

Difficulty 4/5 3-5 days Newbie friendliness 30/100

salesforce/lwc#5140 · 1 comment · Opened Jan 17, 2025
[Idea] Disable read-only proxy in SSR v2 Open

perf SSR

Difficulty 5/5 Over a week Newbie friendliness 25/100

salesforce/lwc#5126 · 6 comments · 1 reaction · Opened Jan 10, 2025
Async await syntax is broken on Firefox Open

External: Other Salesforce

Difficulty 3/5 1-2 days Newbie friendliness 45/100

salesforce/lwc#5124 · 2 comments · Opened Jan 10, 2025
The rollup plugin cannot resolve component namespace and name properly on Windows Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

salesforce/lwc#5113 · 3 comments · 1 reaction · Opened Jan 8, 2025
[SSR] `className` reflection should handle non-strings Open

bug SSR

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

salesforce/lwc#5093 · 1 comment · Opened Jan 3, 2025
Decorators don't work in TypeScript after following Developer Preview guide Open

bug typescript

Difficulty 4/5 3-5 days Newbie friendliness 45/100

salesforce/lwc#5087 · 11 comments · 1 reaction · Opened Jan 2, 2025
`wire` Decorator doesn't accept WireAdapterConstructor on a `adapter` property Open

enhancement typescript

Difficulty 4/5 3-5 days Newbie friendliness 35/100

salesforce/lwc#5082 · 3 comments · Opened Dec 26, 2024
[SSR] Fix remaining `slot-not-at-top-level` tests Open

bug SSR

salesforce/lwc#5067 · 1 assignee · Opened Dec 19, 2024
Unify `dynamicImports` and `experimentalDynamicComponent` options Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

salesforce/lwc#5031 · 1 reaction · Opened Dec 10, 2024
Remove deprecated `lwc.buildCustomElementConstructor` API Open

enhancement USER STORY

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

salesforce/lwc#5030 · 2 comments · Opened Dec 10, 2024
Warn on duplicate getters/setters/props/methods Open

enhancement USER STORY

Difficulty 4/5 3-5 days Newbie friendliness 45/100

salesforce/lwc#5029 · 1 comment · Opened Dec 10, 2024
Consolidate and expose type helpers Open

SSR USER STORY

Difficulty 4/5 3-5 days Newbie friendliness 35/100

salesforce/lwc#5028 · 2 comments · Opened Dec 10, 2024
[babel-plugin-component] Remove dynamic `import()` transformation Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

salesforce/lwc#5022 · Opened Dec 9, 2024
Empty MathML namespace elements are not generated as self closing in engine-server Open

hydration tests Up for grabs USER STORY

Difficulty 3/5 1-2 days Newbie friendliness 35/100

salesforce/lwc#5015 · 1 comment · Opened Dec 6, 2024
event listener does not update when the variable used in template with onevent is updated Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

salesforce/lwc#5014 · 3 comments · Opened Dec 6, 2024
Use `engine-server` fixtures in hydration tests Open

hydration tests Up for grabs USER STORY

Difficulty 4/5 3-5 days Newbie friendliness 45/100

salesforce/lwc#5013 · 4 comments · Opened Dec 5, 2024
Private methods do not compile Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

salesforce/lwc#5011 · 1 comment · Opened Dec 5, 2024
Spurious warning (`UNKNOWN_HTML_TAG_IN_TEMPLATE`) for MathML elements Open

bug Up for grabs

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

salesforce/lwc#5010 · 1 comment · Opened Dec 5, 2024
~4% perf regression in `select-row` benchmark due to `on` optimization Open

enhancement perf

Difficulty 4/5 3-5 days Newbie friendliness 35/100

salesforce/lwc#5009 · 1 reaction · Opened Dec 5, 2024
Using the lwc:inner-html directive on a void element with the @lwc/ssr-compiler does not throw Open

BUG P3 SSR Up for grabs USER STORY

Difficulty 3/5 1-2 days Newbie friendliness 38/100

salesforce/lwc#5006 · 2 comments · Opened Dec 5, 2024
Update the list of global html attributes that should reflect Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

salesforce/lwc#4998 · Opened Dec 3, 2024
@wire does not like computed property keys Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

salesforce/lwc#4988 · 3 comments · Opened Dec 2, 2024
[SSR] Add test for decorators within a mixin class Open

SSR tests Up for grabs

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

salesforce/lwc#4962 · Opened Nov 26, 2024
migrate to oxlint Open

tools Up for grabs

Difficulty 4/5 3-5 days Newbie friendliness 30/100

salesforce/lwc#4911 · Opened Nov 21, 2024
`for:each` within `for:each` without explicit `key` can lead to vdom errors Open

bug BUG P3 vdom

Difficulty 4/5 3-5 days Newbie friendliness 42/100

salesforce/lwc#4889 · 3 comments · Opened Nov 18, 2024
[SSR v2] Restrict invalid decorator usage Open

enhancement SSR USER STORY

Difficulty 4/5 3-5 days Newbie friendliness 35/100

salesforce/lwc#4886 · 1 comment · Opened Nov 18, 2024
Clarification on SF CLI use limitation with TypeScript Open

Difficulty 1/5 Under an hour Newbie friendliness 25/100

salesforce/lwc#4880 · 1 comment · 1 reaction · Opened Nov 18, 2024
[SSR] Remove hydration-related `data-lwc-*` attributes once hydration is complete Open

enhancement hydration Up for grabs

Difficulty 3/5 1-2 days Newbie friendliness 42/100

salesforce/lwc#4879 · 1 comment · Opened Nov 15, 2024
[SSR] Block direct imports of `@lwc/ssr-runtime` Open

SSR

Difficulty 4/5 3-5 days Newbie friendliness 35/100

salesforce/lwc#4876 · Opened Nov 15, 2024
Dynamic components do not work with scoped slots Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

salesforce/lwc#4871 · 2 comments · Opened Nov 15, 2024
[SSR/template-compiler] Align `draggable` with `spellcheck` [potentially breaking] Open

bug SSR

Difficulty 3/5 1-2 days Newbie friendliness 48/100

salesforce/lwc#4870 · Opened Nov 14, 2024
[Hydration] Detect mismatches when two `render()`d templates have similar HTML content Open

bug hydration

Difficulty 4/5 3-5 days Newbie friendliness 38/100

salesforce/lwc#4867 · 1 comment · Opened Nov 14, 2024
[Hydration] Detect hydration mismatches when scoped templates are wrong Open

bug hydration

Difficulty 4/5 3-5 days Newbie friendliness 35/100

salesforce/lwc#4866 · Opened Nov 14, 2024

salesforce/lwc

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