Issues

• evaluator: typed dependency chains grow exponentially when tasks use an inline definition union

  roadmap/performance
  cue-lang/cue#4540 · Filter by author rawkode opened on Oct 30, 2026
  1

• evaluator: list elements in a definition are left open when the list is unified with a validator

  bisectedclosednessevaluatorNeedsFix
  cue-lang/cue#4539 · Filter by author MarcWort opened on Oct 30, 2026
  5

  

• "matchN" call in definition does not work as expected

  closednessevalv3NeedsInvestigation
  cue-lang/cue#4538 · Filter by author seh opened on Oct 29, 2026
  6

  

• evaluator: disjuncts ruled out by a concrete discriminator still evaluate their recursive bodies

  disjunctionsroadmap/performance
  cue-lang/cue#4531 · Filter by author mvdan opened on Oct 27, 2026

• evaluator: evaluation does not terminate with CUE_DEBUG=sharing=0 on a structural cycle through an inlined struct

  NeedsInvestigation
  cue-lang/cue#4527 · Filter by author mvdan opened on Oct 27, 2026

• evaluator: field opened with ... stays open when a comprehension later unifies it with the same definition

  closednessNeedsInvestigationordering
  cue-lang/cue#4524 · Filter by author mvdan opened on Oct 27, 2026
  1

• evaluator: definition referring to a field opened with ... stays open when the field is declared first

  NeedsInvestigationordering
  cue-lang/cue#4519 · Filter by author mvdan opened on Oct 26, 2026
  1

• evaluator: disjunct subsumed by another is not eliminated, leaving the disjunction ambiguous

  disjunctionsNeedsInvestigation
  cue-lang/cue#4504 · Filter by author mvdan opened on Oct 13, 2026
  1

• evaluator: a reference written inside an inline struct opens the definition it selects from

  closednessevaluatorNeedsInvestigation
  cue-lang/cue#4502 · Filter by author mvdan opened on Oct 12, 2026

• evaluator: selecting a field from a value holding a definition is only closed for a bare reference

  closednessevaluator
  cue-lang/cue#4501 · Filter by author mvdan opened on Oct 7, 2026
  2

• cuelang.org: nudge cue get go users towards gengotypes and curated schemas

  cuelang.orgDocumentation
  cue-lang/cue#4499 · Filter by author mvdan opened on Oct 1, 2026
  1

• evaluator: redeclaring a list-typed field of a definition as _ drops closedness of its elements

  cue-lang/cue#4493 · Filter by author sfingram opened on Sep 28, 2026
  3

  

• symlinks to parent dir break LSP

  lspNeedsInvestigation
  cue-lang/cue#4491 · Filter by author DavidGamba opened on Sep 22, 2026

• evaluator: try body dereferencing an absent optional sibling reports a cyclic reference when nested in another try

  NeedsInvestigation
  cue-lang/cue#4486 · Filter by author selfuryon opened on Sep 15, 2026
  

• internal/core/adt: float arithmetic rounds to 34 digits, below the spec's 256-bit mantissa

  NeedsInvestigationspec-deviation
  cue-lang/cue#4481 · Filter by author mvdan opened on Sep 11, 2026
  

• cmd/cue: gengotypes fails to generate any fields when there is a comprehension

  NeedsFix
  cue-lang/cue#4459 · Filter by author rogpeppe opened on Aug 6, 2026

• cue/ast: File.Pos fabricates a new throwaway token.File for declaration-less files

  FeatureRequest
  cue-lang/cue#4458 · Filter by author mvdan opened on Aug 4, 2026

• Feature: Support TOON in addition to JSON

  FeatureRequestNeedsDecision
  cue-lang/cue#4454 · Filter by author reneleonhardt opened on Jul 26, 2026
  2

• contrib-tools: cueckoo guidance only reliably reaches Claude Code; cross-agent use needs AGENTS.md

  FeatureRequest
  cue-lang/cue#4451 · Filter by author myitcv opened on Jul 22, 2026
  1

• scalar embeddings make {...} ambiguous and hard to work with

  DiscussNeedsDesign
  cue-lang/cue#4435 · Filter by author mvdan opened on Jul 13, 2026
  1

• adopt encoding/json/v2 semantics via CUE_EXPERIMENT=jsonv2 once Go 1.28.0 is out

  encodingFeatureRequest
  cue-lang/cue#4431 · Filter by author mvdan opened on Jul 9, 2026

• KYAML output format

  encodingFeatureRequest
  cue-lang/cue#4410 · Filter by author mxey opened on Jun 23, 2026
  6

• formatv2 does not expand a chain of inline fields with an innermost attribute

  fmt
  cue-lang/cue#4407 · Filter by author mvdan opened on Jun 19, 2026
  2

• formatv2 does not keep well-balanced multi-line index expressions

  fmt
  cue-lang/cue#4406 · Filter by author mvdan opened on Jun 19, 2026
  2

• contrib-tools: document repo-local tmp/ as preferred scratch location over /tmp

  FeatureRequest
  cue-lang/cue#4398 · Filter by author myitcv opened on Jun 17, 2026