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_isHostProvided is not initialized when using --map for async WIT resources

Status: Open.

#1314 In bytecodealliance/jco;

· ritalin opened on Mar 18, 2026

Generated trampoline treats resource methods as free functions

Status: Open.

#1313 In bytecodealliance/jco;

· ritalin opened on Mar 18, 2026

Result variants with discriminant 0 are treated as invalid in _lowerFlatVariant

Status: Open.

#1312 In bytecodealliance/jco;

· ritalin opened on Mar 18, 2026

wasip3 hostProvided async tasks: top-level resolves too early

Status: Open.

#1272 In bytecodealliance/jco;

· ritalin opened on Feb 18, 2026

--instantiation help suggests default async, but -I without value errors

bugSomething isn't workingSomething isn't working

dxDeveloper eXperienceDeveloper eXperience

good first issueGood for newcomersGood for newcomers

project/jco

Status: Open.

#1254 In bytecodealliance/jco;

· ritalin opened on Feb 12, 2026

[jco-std] backwards/forwards compatibility across WASI 0.2.x releases

Status: Open.

#1245 In bytecodealliance/jco;

· ericgregory opened on Feb 5, 2026

Node.js Compat

Status: Open.

#1206 In bytecodealliance/jco;

· MendyBerger opened on Jan 20, 2026

P2 filesystem: TypeError: Cannot convert a BigInt value to a number

bugSomething isn't workingSomething isn't working

platform/browser

project/preview2-shim

Status: Open.

#1174 In bytecodealliance/jco;

· inter-besan44 opened on Dec 15, 2025

Resolve the circular dependency between jco and componentize-js

Status: Open.

#1158 In bytecodealliance/jco;

· rajsite opened on Dec 6, 2025

Possibly recommend loaders to simplify docs

Status: Open.

#1152 In bytecodealliance/jco;

· SebastienGllmt opened on Nov 22, 2025

P2 fileysstem write fails with utf8Encode error

bugSomething isn't workingSomething isn't working

project/jco-transpile

project/preview2-shim

Status: Open.

#1078 In bytecodealliance/jco;

· vados-cosmonic opened on Oct 29, 2025

preview2 shim browser filesystem writeViaStream has O(n^2) overhead due to repeatedly concatenating buffers

bugSomething isn't workingSomething isn't working

performance

platform/browser

project/preview2-shim

Status: Open.

#1069 In bytecodealliance/jco;

· TerrorJack opened on Oct 27, 2025