For AI agents: the complete documentation index is available at https://open-spaced-repetition.github.io/ts-fsrs/ja-JP/llms.txt, the full documentation bundle is available at https://open-spaced-repetition.github.io/ts-fsrs/ja-JP/llms-full.txt, and this page is available as Markdown at https://open-spaced-repetition.github.io/ts-fsrs/ja-JP/updates/fsrs/5.4.0.md.

ts-fsrs 5.4.0

Published: 2026-05-18 02:16:51 UTC

All updates

Minor Changes

  • #365 ab44ee9 Thanks @ishiko732! - feat(fsrs): Add FSRSError base classes and use FSRSValidationError for package validation errors.

Patch Changes

  • #365 ab44ee9 Thanks @ishiko732! - fix(checkParameters): reject NaN parameter values during validation.

  • #357 c0ffcce Thanks @ishiko732! - refactor(fsrs): extract applyAfterHandler helper to deduplicate afterHandler plumbing in repeat, next, rollback, forget, and reschedule