All issues

Track unimplemented builtins
#9596 · lukewilliamboswell opened on Jun 10, 2026
1

`import` placed after a nominal block: qualified reference inside the block silently fails to resolve, then crashes monomorphization

#10221

· grayrest opened

on Jul 18, 2026

`roc check` panics: "erroneous checked type reached Monotype instantiation" for a cross-module nominal method returning a platform type

#10220

· grayrest opened

on Jul 18, 2026

Every access to a module-level list constant re-materializes the list

#10219

· niclas-ahden opened

on Jul 18, 2026

Any read of a loop-carried list makes the next mutation copy the whole list

#10218

· niclas-ahden opened

on Jul 18, 2026

Compiler panic when calling a number-typed function value stored in a container: "instantiation unified two different primitive types"

#10209

· rtfeldman opened

on Jul 18, 2026

Panic: tag count failed Lambda Solved unification

#10208

· JRI98 opened

on Jul 18, 2026

Panic: structural parser empty tag union reached postcheck lowering

#10207

· JRI98 opened

on Jul 18, 2026

Panic: stored const representation differed from its expected Monotype type

#10206

· JRI98 opened

on Jul 18, 2026

Panic: builtin Str interpolation constraint had no metadata

#10204

· niclas-ahden opened

on Jul 18, 2026

Panic: LIR lowering expected layouts to match or differ by an explicit Box edge

#10203

· niclas-ahden opened

on Jul 17, 2026

Function lookup fails when two same-named but aliased modules are imported

#10202

· jrrrp opened

on Jul 17, 2026

Panic: instantiation record field access encountered a recursive named backing

#10195

· jwoudenberg opened

on Jul 17, 2026