microsoft/vscode-wasm

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A WASI implementation that uses VS Code's extension host as the implementing API

Stars: 456
Forks: 40
Open beginner issues: 0
Indexed issues: 23
Avg merge: 3d 2h
Merged PRs (30d): 4

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 11, 2026
Latest indexed: Sep 19, 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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23 open issues indexed

Feature Request: Explore alignment with cross-IDE WebAssembly Extension Standard Open

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

microsoft/vscode-wasm#249 · Opened Feb 4, 2026
memoryFileSystemDriver write has O(n^2) overhead due to repeatedly concatenating buffers Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/vscode-wasm#244 · 2 reactions · Opened Oct 27, 2025
wit async func wit2ts error Open

bug

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

microsoft/vscode-wasm#240 · Opened Oct 10, 2025
Feature request: Allow I/O multiplexing without threads Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 28/100

microsoft/vscode-wasm#235 · Opened Jul 26, 2025
Can't use Web Shell on github.dev Open

bug

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

microsoft/vscode-wasm#217 · 3 comments · 2 reactions · Opened Jan 21, 2025
`vscode-file://` protocol address mapping Open

bug

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

microsoft/vscode-wasm#212 · Opened Nov 10, 2024
Do not support multiple Workspace Folders Open

feature-request

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

microsoft/vscode-wasm#211 · 2 comments · Opened Oct 31, 2024
Web VS Code extensions cannot activate `ms-vscode.wasm-wasi-core` Open

bug

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

microsoft/vscode-wasm#210 · 11 comments · 4 reactions · Opened Oct 29, 2024
LSP URI converter generate invalid paths when workspace URI has a trailing `/` Open

bug

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

microsoft/vscode-wasm#209 · 1 comment · Opened Oct 21, 2024
Implement WASI Preview 2 Sockets Open

feature-request

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

microsoft/vscode-wasm#179 · 1 comment · Opened Jul 23, 2024
[bug] Calling `wasi_snapshot_preview1` `path_open` without "extra steps" returns BADF (error 8) Open

bug

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

microsoft/vscode-wasm#161 · 4 comments · Opened Apr 8, 2024
Questions regarding MemoryFileSystem and Stdio Open

bug

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

microsoft/vscode-wasm#143 · 8 comments · 1 reaction · Opened Nov 4, 2023
Readable types are incorrect Open

bug

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

microsoft/vscode-wasm#121 · 1 comment · Opened Sep 25, 2023
Streams should implement vscode-jsonrpc's `_ReadableStream` and `_WritableStream` interfaces Open

feature-request

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

microsoft/vscode-wasm#119 · 2 comments · Opened Sep 20, 2023
Investigate running more language on WASM/WASI Open

feature-request

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

microsoft/vscode-wasm#112 · 2 comments · Opened Aug 7, 2023
fstat fails on mounted memory filesystem Open

bug

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

microsoft/vscode-wasm#111 · Opened Aug 2, 2023
Installation of "ms-vscode.wasm-wasi-core" is broken in devcontainers Open

bug

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

microsoft/vscode-wasm#108 · 1 comment · Opened Jul 23, 2023
WebShell: Tab autocomplete not working Open

bug

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

microsoft/vscode-wasm#107 · Opened Jul 23, 2023
Issue with mountpoints and virtual file systems Open

bug

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

microsoft/vscode-wasm#99 · Opened Jun 13, 2023
Running touch panicks Open

bug

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

microsoft/vscode-wasm#83 · Opened Jun 7, 2023
Leverage WASI Preview2 Open

feature-request

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

microsoft/vscode-wasm#52 · 6 comments · Opened Apr 6, 2023
Sync-Api doesn't work with multiple workers Open

feature-request

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

microsoft/vscode-wasm#23 · 1 comment · Opened Oct 7, 2022
Better README? Open

debt

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

microsoft/vscode-wasm#2 · 9 reactions · Opened Jul 10, 2022

microsoft/vscode-wasm

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