Issues

• Add couple of edge cases for optional conformance tests around optional.none()

  cel-expr/cel-spec#527 · Filter by author l46kok opened on Jul 28, 2026

• lowerAscii and upperAscii are in tests but not specification

  cel-expr/cel-spec#524 · Filter by author allanlw opened on Jul 14, 2026
  1

• Language definition and conformance tests disagree on unset field values

  cel-expr/cel-spec#523 · Filter by author wabain opened on Jul 11, 2026
  1

• Perl support for CEL

  cel-expr/cel-spec#522 · Filter by author yairlenga opened on Jul 3, 2026
  1

• Grammar railroad diagram

  cel-expr/cel-spec#520 · Filter by author mingodad opened on Jun 26, 2026

• Text about surrogate pairs has confusing example.

  cel-expr/cel-spec#516 · Filter by author lrhn opened on Jun 11, 2026

• "Values" text about integer literals disagree with grammar

  cel-expr/cel-spec#515 · Filter by author lrhn opened on Jun 11, 2026
  1

• This repository is moving to github.com/cel-expr/cel-spec

  cel-expr/cel-spec#513 · Filter by author dmitriplotnikov opened on May 26, 2026

• Invalid link on cel.dev "Get started with CEL" web page, for "Function reference guide"

  cel-expr/cel-spec#511 · Filter by author intltechventures opened on Mar 16, 2026
  1

  

• Bazel 9.0+ compatibility issue with packaged proto files

  cel-expr/cel-spec#508 · Filter by author l46kok opened on Jan 21, 2026

• Best Practices and Reference Implementations for API and AI Policies

  cel-expr/cel-spec#504 · Filter by author TristonianJones opened on Jan 6, 2026
  

• Feature Request: list / map sort

  cel-expr/cel-spec#499 · Filter by author tomasdev opened on Dec 4, 2025
  1

• Documentation: missing table of standard functions

  cel-expr/cel-spec#496 · Filter by author gwvandesteeg opened on Nov 20, 2025

• Support bytes.matches(string) and matches(bytes, string)

  cel-expr/cel-spec#493 · Filter by author rodaine opened on Nov 19, 2025
  3

• Codify the lack of line-end normalization for triple-quoted strings

  cel-expr/cel-spec#490 · Filter by author hudlow opened on Nov 8, 2025
  2

• Allow arbitrary Unicode whitespace

  cel-expr/cel-spec#484 · Filter by author hudlow opened on Oct 16, 2025
  2

• Why does logic test case error_right and error_left expect a “no matching overload” error?

  cel-expr/cel-spec#475 · Filter by author chobie opened on Jun 3, 2025
  1

  

• On the usage distinction between “division by zero” and “divide by zero”

  cel-expr/cel-spec#472 · Filter by author chobie opened on May 24, 2025
  1

• Define compatibility guarantees for language and standard environment

  cel-expr/cel-spec#444 · Filter by author hudlow opened on Feb 20, 2025
  4

• Why is %s formatting of list/map only mostly a CEL expression of that list/map?

  cel-expr/cel-spec#438 · Filter by author warhammerkid opened on Feb 1, 2025
  2

• FixedTZ timezone handling inconsistent with documentation

  cel-expr/cel-spec#432 · Filter by author warhammerkid opened on Jan 12, 2025
  1

• Is exists_one getting renamed to existsOne?

  cel-expr/cel-spec#424 · Filter by author hudlow opened on Dec 17, 2024
  2

• Variadic addition and multiplication

  cel-expr/cel-spec#415 · Filter by author hudlow opened on Nov 27, 2024

• Unbounded length for identifiers

  cel-expr/cel-spec#413 · Filter by author hudlow opened on Nov 12, 2024
  10

• Minimum supported grammar complexity is unclear

  cel-expr/cel-spec#410 · Filter by author hudlow opened on Nov 11, 2024
  4