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Invalid input tests should be separated from valid input tests.

Status: Open.

#5006 In antlr/grammars-v4;

· kaby76 opened on Sep 13, 2026

Add grammar for Decaf.

decaf

new-grammarNew grammar issue or pull requestNew grammar issue or pull request

Status: Open.

#4999 In antlr/grammars-v4;

· kaby76 opened on Sep 1, 2026

[MySQL] URL cannot be used as an unquoted identifier on 8.0.32+

Status: Open.

#4962 In antlr/grammars-v4;

· minleejae opened on Aug 5, 2026

[PostgreSQL] NOTICE cannot be used as an unquoted identifier

PostgreSQL

Status: Open.

#4960 In antlr/grammars-v4;

· minleejae opened on Aug 5, 2026

Ada Grammars Parse Classwide Types Incorrectly

Status: Open.

#4944 In antlr/grammars-v4;

· Antigravityd opened on Jul 20, 2026

[snowflake] Snowflake grammar is terribly slow.

performance

snowflake

Status: Open.

#4921 In antlr/grammars-v4;

· kaby76 opened on Jul 2, 2026

Likely all TypeScript ports are broken, again.

Status: Open.

#4896 In antlr/grammars-v4;

· kaby76 opened on Jun 13, 2026

[kotlin] kotlin grammars.

kotlin

Status: Open.

#4888 In antlr/grammars-v4;

· kaby76 opened on Jun 9, 2026

[Postgresql] Fix uescape_ rule placement in identifier

PostgreSQL

Status: Open.

#4876 In antlr/grammars-v4;

· capjck opened on May 31, 2026

Error to Parse WebIDL

WebIDL

Status: Open.

#4873 In antlr/grammars-v4;

· tonisimakov99 opened on May 28, 2026

[antlr/antlr4] Sync changes in grammar from antlr-ng.

Status: Open.

#4866 In antlr/grammars-v4;

· kaby76 opened on May 25, 2026

[plsql] USING INDEX without index name

plsql

Status: Open.

#4840 In antlr/grammars-v4;

· P-Lng opened on May 8, 2026