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How to write a CEL rule to compare two DateTime fields?

Status: Open.

#463 In bufbuild/protovalidate;

· julioz opened on Feb 9, 2026

[Feature Request] Predefined rule to forbid leading/trailing whitespace in strings

FeatureNew feature or requestNew feature or request

Status: Open.

#461 In bufbuild/protovalidate;

· aburch opened on Jan 20, 2026

[Feature Request] Allow complex types for value of rule CEL variable.

FeatureNew feature or requestNew feature or request

Status: Open.

#446 In bufbuild/protovalidate;

· jmmills opened on Dec 4, 2025

[Feature Request] Support standard field rules on nested message fields

FeatureNew feature or requestNew feature or request

Status: Open.

#427 In bufbuild/protovalidate;

· obeattie opened on Oct 16, 2025

[Feature Request] Support an OpenAPI generator plugin

FeatureNew feature or requestNew feature or request

Status: Open.

#426 In bufbuild/protovalidate;

· ttc0419 opened on Oct 10, 2025

[Feature Request] Allow specifying human-readable error message next to the validation definition

FeatureNew feature or requestNew feature or request

Status: Open.

#423 In bufbuild/protovalidate;

· PierekEast opened on Sep 22, 2025

[Feature Request] field level CEL constraints with parent scope

FeatureNew feature or requestNew feature or request

Status: Open.

#422 In bufbuild/protovalidate;

· rauanmayemir opened on Sep 20, 2025

[Feature Request] list.sum() function

FeatureNew feature or requestNew feature or request

Status: Open.

#380 In bufbuild/protovalidate;

· haines opened on Jun 12, 2025

[Feature Request] Bitwise operation support in predefined CEL

FeatureNew feature or requestNew feature or request

Status: Open.

#362 In bufbuild/protovalidate;

· KeXiangWang opened on May 7, 2025

[Feature Request] Kotlin Support

Language SupportInterest in adding support for another languageInterest in adding support for another language

Status: Open.

#342 In bufbuild/protovalidate;

· kjkondratuk opened on Mar 31, 2025

[Feature Request] Overload CEL matches function to support bytes values

FeatureNew feature or requestNew feature or request

Status: Open.

#268 In bufbuild/protovalidate;

· rodaine opened on Oct 21, 2024

[BUG] string.well_known_regex cannot handle binary HTTP header values

BugSomething isn't workingSomething isn't working

Status: Open.

#263 In bufbuild/protovalidate;

· ash2k opened on Oct 14, 2024