Issues

• GroupBy with a date or timestamp key fails with ClassCastException in FastHashing

  airbnb/chronon#1165 · Filter by author ranflarion opened on Sep 27, 2026

• GroupBy merges distinct composite keys whose values concatenate to the same bytes

  airbnb/chronon#1163 · Filter by author ranflarion opened on Sep 27, 2026

• Clean-up: triage stale open pull requests

  airbnb/chronon#1155 · Filter by author gsarthakdev opened on Sep 12, 2026
  3

• [Bug] TEMPORAL fetch can silently fall back to batch-only data when streaming KV reads fail

  airbnb/chronon#1124 · Filter by author fallintoplace opened on May 30, 2026

• [Discuss] CHIP: Precompute Derivations in GroupBy Upload Path

  airbnb/chronon#1102 · Filter by author yogeshpv opened on Mar 17, 2026

• Update thrift dependency

  airbnb/chronon#1087 · Filter by author tsudol-plaid opened on Feb 4, 2026
  2

• [Discuss] CHIP: Feature Unit Testing Framework for Chronon

  CHIP
  Feature

  airbnb/chronon#1086 · Filter by author camweston-stripe opened on Jan 29, 2026
  3

  

• [Bug] Python tests are failing under bazel

  airbnb/chronon#999 · Filter by author pyalex opened on Jun 5, 2025

• [Bug] Bazel test is not discovering the test suite

  airbnb/chronon#988 · Filter by author abbywh opened on May 8, 2025
  1

• [Discuss] CHIP : Incremental batch feature aggregation

  airbnb/chronon#984 · Filter by author kambstreat opened on May 3, 2025
  5

• [Discuss] CHIP: Add user-provided documentation to metadata

  airbnb/chronon#975 · Filter by author earangol-stripe opened on Apr 18, 2025
  3

• [Feature] please the scala api to support Scala3 and support Tensor generate , and discordgroup is in need

  airbnb/chronon#942 · Filter by author mullerhai opened on Mar 13, 2025
  1

• Offline Backfill requires backfillStartDate, which can be defaulted to end_date

  airbnb/chronon#939 · Filter by author krisnaru opened on Mar 11, 2025
  1

• Unable to pass custom partition colum for Iceberg tables

  airbnb/chronon#934 · Filter by author krisnaru opened on Mar 6, 2025
  1

• Bazel migration CHIP #2

  CHIPvoting
  airbnb/chronon#904 · Filter by author knarukulla opened on Jan 16, 2025

• Online/Offline consistency guarantees - Join and Fetcher?

  airbnb/chronon#891 · Filter by author anovv opened on Dec 26, 2024

• [Bug] Join failed to get groupBy module on different file structure

  airbnb/chronon#867 · Filter by author mickjermsurawong-openai opened on Oct 17, 2024
  2

• [Feature Request] Create a Golang FeatureFetcher

  airbnb/chronon#866 · Filter by author vlin-lgtm opened on Oct 16, 2024
  1

• [Feature Request] Create a Python FeatureFetcher

  airbnb/chronon#865 · Filter by author vlin-lgtm opened on Oct 16, 2024

• [Bug/Deprecation] explore.py is broken - might need to either be refactored or deprecated in favor of other methods to explore configs

  airbnb/chronon#851 · Filter by author pkundurthy opened on Oct 1, 2024

• CHIP-2: Fluent API for Chronon

  CHIP
  airbnb/chronon#762 · Filter by author nikhilsimha opened on May 18, 2024
  

• CHIP-9: Support Model-based Transformations in Join & Chaining

  CHIP
  airbnb/chronon#757 · Filter by author hzding621 opened on May 1, 2024
  1

• Documentation on how timestamps are used in Chronon

  airbnb/chronon#749 · Filter by author kambstreat opened on Apr 22, 2024

• cannot import name 'get_join_output_columns' from 'ai.chronon.repo.validator'

  airbnb/chronon#748 · Filter by author lilyleking opened on Apr 19, 2024

• [DISCUSS] CHIP-8 Hourly GroupBy Batch Jobs

  airbnb/chronon#737 · Filter by author andrewlee-stripe opened on Apr 2, 2024