Issues

roc build segfaults on an import that escapes the package root (roc check reports it cleanly)

Bug

#11475

· showell opened

on Sep 20, 2026

`roc check` panics with `missing required method call parse_record_field` when `.len()` is called on a field of a `Json.parse` result whose `List` element type is an alias

Bug

#11471

· niclas-ahden opened

on Sep 19, 2026

`roc check` reports an anonymous recursion for a bare `?` and a `? Tag` on calls that share an error type variable when the called function adds a tag of its own

Bug

#11470

· niclas-ahden opened

on Sep 19, 2026

`roc check` reports an anonymous recursion when a callback does a bare `?` on the function value that the function it is passed to wraps with `? Tag`

Bug

#11469

· niclas-ahden opened

on Sep 19, 2026

Segmentation fault when removing type annotation

Bug

#11468

· InvisOn opened

on Sep 19, 2026

Reported crash when an unannotated structural tag is consumed as a nominal tag type

Bug

#11467

· lukewilliamboswell opened

on Sep 19, 2026

Qualified numeric literal suffixes are rejected by the parser

Bug

#11466

· lukewilliamboswell opened

on Sep 19, 2026

Qualified record-builder suffix ignores its module qualifier

Bug

#11465

· lukewilliamboswell opened

on Sep 19, 2026

Nested types do not resolve through a re-exported type-module alias

Bug

#11464

· lukewilliamboswell opened

on Sep 19, 2026

`instantiation widened a closed record` on a record update passed through a method call in an unannotated function

Bug

#11463

· lukewilliamboswell opened

on Sep 19, 2026

`roc build --target=wasm32 --opt=dev` emits an invalid module (`values remaining on stack at end of block`) when a nominal tag union holding `Box({})` is the payload of a two-variant tag union

Bug

#11455

· niclas-ahden opened

on Sep 18, 2026

`roc build --target=wasm32 --opt=speed` output traps with `indirect call type mismatch` when two `List.concat` calls have different refcounted element types

Bug

#11454

· niclas-ahden opened

on Sep 18, 2026

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All issues

roc build segfaults on an import that escapes the package root (roc check reports it cleanly)

`roc check` panics with `missing required method call parse_record_field` when `.len()` is called on a field of a `Json.parse` result whose `List` element type is an alias

`roc check` reports an anonymous recursion for a bare `?` and a `? Tag` on calls that share an error type variable when the called function adds a tag of its own

`roc check` reports an anonymous recursion when a callback does a bare `?` on the function value that the function it is passed to wraps with `? Tag`

Segmentation fault when removing type annotation

Reported crash when an unannotated structural tag is consumed as a nominal tag type

Qualified numeric literal suffixes are rejected by the parser

Qualified record-builder suffix ignores its module qualifier

Nested types do not resolve through a re-exported type-module alias

`instantiation widened a closed record` on a record update passed through a method call in an unannotated function

`roc build --target=wasm32 --opt=dev` emits an invalid module (`values remaining on stack at end of block`) when a nominal tag union holding `Box({})` is the payload of a two-variant tag union

`roc build --target=wasm32 --opt=speed` output traps with `indirect call type mismatch` when two `List.concat` calls have different refcounted element types

Uh oh!

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