Issues

• Validation fails with ArrayIndexOutOfBoundsException when the zip contains an entry named "/"

  bug
  MobilityData/gtfs-validator#2248 · Filter by author davidgamez opened on Nov 4, 2026

• Service window fails when calendar.txt has start_date after end_date

  bug
  MobilityData/gtfs-validator#2247 · Filter by author davidgamez opened on Nov 4, 2026 · 9.0 Validator Release

• Web service CI tests send events to production Sentry

  bug
  MobilityData/gtfs-validator#2246 · Filter by author davidgamez opened on Nov 4, 2026

• Validation continues with incomplete data after a table fails to load (NullPointerException in multi-file validators)

  parsing errors
  MobilityData/gtfs-validator#2245 · Filter by author davidgamez opened on Nov 4, 2026 · 9.0 Validator Release

• Refactor missing_recommended_file and add a generic empty_recommended_file notice

  enhancementnew rulestatus: Blocked
  MobilityData/gtfs-validator#2239 · Filter by author skalexch opened on Oct 23, 2026

• chore: make acceptance test memory metrics reflect retained heap

  memory
  MobilityData/gtfs-validator#2234 · Filter by author davidgamez opened on Oct 20, 2026

• Desktop app: Export error report in same folder as source data

  enhancementstatus: Needs discussion
  MobilityData/gtfs-validator#2232 · Filter by author emmambd opened on Oct 20, 2026

• Desktop app: Suppress output of system_errors.json and report.json files

  enhancementstatus: Needs discussion
  MobilityData/gtfs-validator#2231 · Filter by author emmambd opened on Oct 20, 2026

• VersionResolver scans the classpath on every call and never closes the ScanResult

  MobilityData/gtfs-validator#2230 · Filter by author davidgamez opened on Oct 20, 2026

• Remove deprecated memory snapshot instrumentation

  memorystatus: Ready
  MobilityData/gtfs-validator#2227 · Filter by author davidgamez opened on Oct 15, 2026

• Add validation for duplicate trips

  community rulesnew rulepython validatorstatus: Ready
  MobilityData/gtfs-validator#2226 · Filter by author skalexch opened on Oct 15, 2026 · 9.0 Validator Release
  1

• Add validation for min_transfer_time set for incompatible transfer_type

  community rulesnew rulepython validatorstatus: Blocked
  MobilityData/gtfs-validator#2224 · Filter by author skalexch opened on Oct 15, 2026

• Add validation for walking speed too fast for transfer

  community rulesnew rulepython validatorstatus: Ready
  MobilityData/gtfs-validator#2223 · Filter by author skalexch opened on Oct 15, 2026 · 9.0 Validator Release
  1

• Add validation for file headers in leading_or_trailing_whitespaces

  python validatorstatus: Ready
  MobilityData/gtfs-validator#2222 · Filter by author skalexch opened on Oct 14, 2026
  3

• Add validation for unusable stop

  new rulestatus: Ready
  MobilityData/gtfs-validator#2221 · Filter by author skalexch opened on Oct 14, 2026
  3

• chore: fix CI deprecation warnings in Rule acceptance tests workflow

  tech debt
  MobilityData/gtfs-validator#2220 · Filter by author davidgamez opened on Oct 14, 2026 · 9.0 Validator Release

• Add validation for stop with parent station and timezone.

  community rulesnew rulepython validatorstatus: Ready
  MobilityData/gtfs-validator#2216 · Filter by author skalexch opened on Oct 13, 2026 · 9.0 Validator Release

• Add validation for stops that serve both station based and non-station based modes.

  community rulesnew rulepython validatorstatus: Ready
  MobilityData/gtfs-validator#2215 · Filter by author skalexch opened on Oct 13, 2026
  5

• Implement min_transfer_time_too_long

  community rulesnew rulepython validatorstatus: Ready
  MobilityData/gtfs-validator#2214 · Filter by author skalexch opened on Oct 13, 2026
  3

• Rule: child_stop_too_far_from_parent_station

  community rulesnew rulepython validatorstatus: Ready
  MobilityData/gtfs-validator#2213 · Filter by author emmambd opened on Oct 13, 2026 · 9.0 Validator Release
  6

• Rule: child_stop_far_from_parent_station

  community rulesnew rulepython validatorstatus: Ready
  MobilityData/gtfs-validator#2212 · Filter by author emmambd opened on Oct 13, 2026 · 9.0 Validator Release
  2

• Rule: stop_too_close_to_non_parent_station

  community rulesnew rulepython validatorstatus: Ready
  MobilityData/gtfs-validator#2211 · Filter by author emmambd opened on Oct 13, 2026 · 9.0 Validator Release
  1

• Rule: stops_too_close

  community rulesnew rulepython validatorstatus: Ready
  MobilityData/gtfs-validator#2210 · Filter by author emmambd opened on Oct 13, 2026 · 9.0 Validator Release
  1

• Rule: stations_too_close

  community rulesnew rulepython validatorstatus: Ready
  MobilityData/gtfs-validator#2209 · Filter by author emmambd opened on Oct 13, 2026 · 9.0 Validator Release
  1

• 9.0 Release

  MobilityData/gtfs-validator#2206 · Filter by author emmambd opened on Oct 2, 2026 · 9.0 Validator Release