WebAssembly/component-model

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Repository for design and specification of the Component Model

Stars: 1.4k
Forks: 130
Open beginner issues: 0
Indexed issues: 132
Avg merge: 2d 1h
Merged PRs (30d): 15

Dominant language: WebAssembly
License: No license data
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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132 open issues indexed

Allow exporting types directly worlds without interface Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

WebAssembly/component-model#426 · 1 comment · 1 reaction · Opened Dec 5, 2024
Support to invoke user defined callbacks inside WASM component from wasmtime Open

pre-1.0

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

WebAssembly/component-model#412 · 2 comments · 1 reaction · Opened Nov 11, 2024
Implementing `dlopen` in the component model Open

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

WebAssembly/component-model#401 · 20 comments · 8 reactions · Opened Sep 30, 2024
Modal components Open

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

WebAssembly/component-model#400 · 10 comments · Opened Sep 25, 2024
Flat data representation proposal: Enables zero copy shared memory, zero allocation return types, binary serialization Open

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

WebAssembly/component-model#398 · 12 comments · 4 reactions · Opened Sep 21, 2024
Enable WIT gates to take user-defined strings as arguments Open

enhancement

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

WebAssembly/component-model#388 · 1 reaction · Opened Aug 16, 2024
Symmetrical ABI for component fusion and shared everything Open

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

WebAssembly/component-model#386 · 15 comments · 1 reaction · Opened Aug 1, 2024
Bounded lists and strings Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

WebAssembly/component-model#385 · 24 comments · 1 reaction · Opened Aug 1, 2024
Lazy value lowering Open

pre-1.0

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

WebAssembly/component-model#383 · 7 comments · 7 reactions · Opened Jul 25, 2024
Limit tuple sizes to N (~16?) elements Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

WebAssembly/component-model#373 · 2 comments · 4 reactions · Opened Jun 26, 2024
[Question] Proposal for WebAPI calls without JS glue Open

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

WebAssembly/component-model#371 · 15 comments · 11 reactions · Opened Jun 24, 2024
Caller provided buffers question Open

pre-1.0

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

WebAssembly/component-model#369 · 33 comments · 2 reactions · Opened Jun 19, 2024
Provide values for enums/constants Open

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

WebAssembly/component-model#365 · 15 comments · 1 reaction · Opened Jun 5, 2024
Releases? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

WebAssembly/component-model#362 · 7 comments · 2 reactions · Opened May 25, 2024
an example of a function with a return type of string Open

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

WebAssembly/component-model#361 · 1 comment · Opened May 20, 2024
Static and dynamic libraries Open

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

WebAssembly/component-model#359 · 1 comment · Opened May 16, 2024
`overload` convention Open

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

WebAssembly/component-model#358 · 1 comment · Opened May 12, 2024
Make function types more general and symmetric Open

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

WebAssembly/component-model#356 · 5 comments · Opened May 8, 2024
What is today's guidance for naming packages? Open

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

WebAssembly/component-model#355 · 5 comments · Opened May 7, 2024
Filling out the WAT inline alias syntax Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

WebAssembly/component-model#351 · Opened Apr 30, 2024
Add runtime instantiation to component model Open

pre-1.0

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

WebAssembly/component-model#423 · 2 comments · Opened Apr 27, 2024
How to define the json object Open

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

WebAssembly/component-model#335 · 2 comments · Opened Apr 9, 2024
Implement resource converters Open

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

WebAssembly/component-model#331 · 8 comments · Opened Apr 1, 2024
Canonical abi: `union-type` Open

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

WebAssembly/component-model#325 · 4 comments · Opened Mar 20, 2024
feature: pure function mark Open

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

WebAssembly/component-model#321 · 1 comment · 4 reactions · Opened Mar 15, 2024
Question: Specialized value types Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

WebAssembly/component-model#319 · 1 comment · Opened Mar 14, 2024
Canonical abi: inline passing Open

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

WebAssembly/component-model#315 · 2 comments · Opened Mar 2, 2024
Efficient memory passing between WASM and host Open

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

WebAssembly/component-model#314 · 16 comments · 1 reaction · Opened Feb 28, 2024
Consider adding support for identifier aliases Open

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

WebAssembly/component-model#312 · 5 comments · Opened Feb 28, 2024
Detect whether the host has a certain ability Open

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

WebAssembly/component-model#310 · 2 comments · Opened Feb 24, 2024
Component Model should allow `post-return`s to take no result-specific params Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

WebAssembly/component-model#309 · 4 comments · Opened Feb 23, 2024
Consider defining an "instance reuse hint" Open

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

WebAssembly/component-model#307 · 9 comments · Opened Feb 21, 2024
Working with GC types without copy Open

pre-1.0

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

WebAssembly/component-model#305 · 7 comments · 2 reactions · Opened Feb 20, 2024
Import name projections don't support exports by interface name Open

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

WebAssembly/component-model#301 · 13 comments · Opened Feb 7, 2024
Consider allowing "associated functions" and "associated methods" on non-resource types Open

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

WebAssembly/component-model#296 · 3 comments · 1 reaction · Opened Jan 21, 2024
Add Canonical ABI option for opposite of `post-return` Open

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

WebAssembly/component-model#289 · 2 comments · Opened Dec 22, 2023
Use triple-slash comments for documentation Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

WebAssembly/component-model#286 · 6 comments · 5 reactions · Opened Dec 16, 2023
First-class functions/closures as resources Open

Difficulty 5/5 Over a week Newbie friendliness 18/100

WebAssembly/component-model#278 · 4 comments · Opened Nov 29, 2023
Question: Linking components with Wasm modules Open

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

WebAssembly/component-model#275 · 30 comments · 1 reaction · Opened Nov 27, 2023
Consider renaming `world` to `component` Open

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

WebAssembly/component-model#274 · 17 comments · 4 reactions · Opened Nov 25, 2023
Question: Why is it not possible to refer to exported types in imports? Open

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

WebAssembly/component-model#272 · 4 comments · 1 reaction · Opened Nov 20, 2023
Cannot export a core module type Open

enhancement

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

WebAssembly/component-model#269 · 2 comments · Opened Oct 30, 2023
Evolving packages over time Open

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

WebAssembly/component-model#262 · 3 comments · Opened Oct 10, 2023
Allow non-canonical type alignment? Open

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

WebAssembly/component-model#258 · 7 comments · Opened Sep 27, 2023
wit: Reserve doc-comment "annotation" syntax Open

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

WebAssembly/component-model#256 · 1 comment · 6 reactions · Opened Sep 27, 2023
Inconsistent wit syntax Open

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

WebAssembly/component-model#254 · 4 comments · Opened Sep 26, 2023
CABI: Add a `resource.consume` method for owned handles Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

WebAssembly/component-model#238 · 2 comments · Opened Aug 22, 2023
question about locktdown state Open

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

WebAssembly/component-model#234 · 5 comments · Opened Aug 18, 2023
Package identifier syntax Open

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

WebAssembly/component-model#231 · 7 comments · Opened Aug 16, 2023
Allow consuming methods Open

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

WebAssembly/component-model#226 · 8 comments · 1 reaction · Opened Aug 14, 2023

WebAssembly/component-model

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