WebAssembly/component-model

View on GitHub

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

Open All

132 open issues indexed

Defining client callback type in WIT Open

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

WebAssembly/component-model#223 · 11 comments · Opened Aug 2, 2023
Wit text format comments encoded in the binary Wasm binary Open

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

WebAssembly/component-model#213 · 14 comments · Opened Jul 10, 2023
v128 question Open

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

WebAssembly/component-model#210 · 1 comment · Opened Jun 21, 2023
Resolving transitive dependencies of WIT exports Open

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

WebAssembly/component-model#208 · 2 comments · Opened Jun 19, 2023
Are (more complex) event-based plugin mechanisms possible/a target? Open

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

WebAssembly/component-model#195 · 1 comment · Opened May 5, 2023
Explicit field offsets in records? Open

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

WebAssembly/component-model#194 · 4 comments · Opened May 4, 2023
Proposal: Update WIT syntax/semantics for packages/dependencies/use and alter binary format for externnames Open

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

WebAssembly/component-model#193 · 13 comments · 8 reactions · Opened May 3, 2023
Consider allowing caller-supplied buffer optimization for return values Open

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

WebAssembly/component-model#175 · 1 comment · Opened Mar 10, 2023
Sketch: allow a variable number of imports/exports of fixed type in Wit Open

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

WebAssembly/component-model#172 · 20 comments · 3 reactions · Opened Feb 27, 2023
Async vs. borrows Open

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

WebAssembly/component-model#171 · 10 comments · Opened Feb 26, 2023
Tuples and unions have invalid names, but are the restrictions on names really justified? Open

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

WebAssembly/component-model#162 · 15 comments · Opened Feb 8, 2023
Only require "real" imports during validation of component instantiation Open

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

WebAssembly/component-model#158 · 1 comment · Opened Feb 3, 2023
`.wit`: default implementations Open

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

WebAssembly/component-model#150 · 1 comment · Opened Jan 17, 2023
null termination for strings Open

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

WebAssembly/component-model#148 · 2 comments · 2 reactions · Opened Jan 5, 2023
Async and streamable data segments Open

0.3.x

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

WebAssembly/component-model#138 · 3 comments · Opened Dec 1, 2022
Variant extensions Open

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

WebAssembly/component-model#136 · 2 comments · Opened Nov 29, 2022
WIT - inline definitions Open

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

WebAssembly/component-model#135 · 6 comments · 1 reaction · Opened Nov 29, 2022
Numeric separators in kebab names Open

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

WebAssembly/component-model#134 · 3 comments · Opened Nov 25, 2022
Top-level JS error mappings Open

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

WebAssembly/component-model#121 · 1 comment · Opened Oct 26, 2022
Kebab-case definition produces collision when mapped to snake_case Open

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

WebAssembly/component-model#118 · 5 comments · Opened Oct 18, 2022
When is a start function's post-return option called? Open

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

WebAssembly/component-model#100 · 14 comments · Opened Sep 1, 2022
Should WIT keywords be escaped in the Canonical ABI? Open

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

WebAssembly/component-model#87 · 4 comments · Opened Aug 15, 2022
Subtyping rules allow losing information Open

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

WebAssembly/component-model#67 · 9 comments · 1 reaction · Opened Jul 12, 2022
Core type aliases with a depth larger than 1 Open

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

WebAssembly/component-model#63 · 1 comment · Opened Jul 5, 2022
Define Resource Subtyping Open

enhancement

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

WebAssembly/component-model#60 · 4 comments · Opened Jun 30, 2022
WIT Syntax: Structured Annotations Open

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

WebAssembly/component-model#58 · 13 comments · 15 reactions · Opened Jun 29, 2022
Recursive Types Open

enhancement

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

WebAssembly/component-model#56 · 13 comments · 10 reactions · Opened Jun 28, 2022
Clarifying lift-then-lower and lower-then-lift semantics Open

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

WebAssembly/component-model#51 · 4 comments · Opened Jun 17, 2022
canonical abi should have a way to terminate the program Open

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

WebAssembly/component-model#47 · 4 comments · Opened Jun 15, 2022
Interaction with the memory64 proposal Open

enhancement pre-1.0

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

WebAssembly/component-model#22 · 11 comments · 3 reactions · Opened Apr 12, 2022
Default values Open

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

WebAssembly/component-model#15 · 8 comments · Opened Apr 2, 2022
Proposal: simple instance lowering? Open

enhancement

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

WebAssembly/component-model#8 · 4 comments · Opened Mar 22, 2022

WebAssembly/component-model

Get new issues in your inbox