#ts-fsrs 6.0.0

Published: 2026-10-28 14:10:26 UTC

All updates

This is a major update with breaking changes. ts-fsrs v6 introduces FSRS-7, the default model for DefaultScheduler; see the quick start to get started. For existing integrations, we recommend following the migration guide and using llms.txt as the documentation entry point for AI-assisted migration.

#Breaking Changes

• Change FSRSVersion from v${version} using FSRS-6.0 to v${version}. This export remains supported and reports only the package version; update code that parses the old suffix. Read the selected model name from scheduler.definition.model.name. (#576) Thanks @ishiko732!
• Move algorithm operations to explicit model entries. Import models and parameter helpers from ts-fsrs/models/fsrs-3, fsrs-4, fsrs-4dot5, fsrs-5, fsrs-6, or fsrs-7. The root FSRSAlgorithm, computeDecayFactor, clipParameters, migrateParameters, and forgetting_curve exports and the legacy facade's next_state, next_interval, and get_retrievability methods are removed. The inherited algorithm API, including interval_modifier, calculate_interval_modifier, apply_fuzz, and the seed setter, is no longer available on FSRS. Use model step, nextInterval, forgettingCurve, and forward; retrievability returns a number, so format percentages at the call site. FSRS, IFSRS, and fsrs() remain exported but deprecated and use FSRS-6. (#377, #375, #356) Thanks @ishiko732!
• Remove afterHandler callbacks from createEmptyCard, repeat, next, rollback, and forget, and remove recordLogHandler from legacy reschedule. Transform returned results at the call site. (#374) Thanks @ishiko732 and @Copilot!
• Remove global Date.prototype extensions and deprecated fixDate, fixState, and fixRating helpers. Use standalone date helpers and TypeConvert.time/state/rating for legacy integrations. Remove Card.elapsed_days and ReviewLog.elapsed_days/last_elapsed_days; derive elapsed time from actual review timestamps, not the scheduled due date. (#341, #342) Thanks @ishiko732!
• Replace Alea with FNV-1a and Mulberry32, changing fuzzed interval sequences. The new scheduler seeds fuzzing with cardId + reps; the legacy scheduler still derives its seed from review time, repetition count, difficulty, and stability. Remove DefaultInitSeedStrategy, GenSeedStrategyWithCardId, StrategyMode.SEED, and TSeedStrategy. Use schedulerFuzzingMiddleware or createSchedulerFuzzingMiddleware({ fuzzingRange, rng }). (#409) Thanks @ishiko732!
• Require Node.js 24 or later. (#406) Thanks @ishiko732!
• Replace BasicLearningStepsStrategy with calculateLearningSteps and TLearningStepsStrategy with LearningStepsResolver. Custom StrategyMode.LEARNING_STEPS handlers now receive camelCase learningSteps/relearningSteps config and return scheduledMinutes/nextStep instead of scheduled_minutes/next_step. Replace default_learning_steps and default_relearning_steps imports with defaultLearningSteps and defaultRelearningSteps. (#407) Thanks @ishiko732!
• Replace the numeric TypeScript enums Rating and State with frozen constant objects and numeric union types. Numeric values remain unchanged, but reverse lookups such as Rating[3] and State[2] no longer work; replace enum-member type annotations such as Rating.Good with typeof Rating.Good. (#457) Thanks @ishiko732!
• Rename FSRSReview.delta_t to deltaT and narrow its rating to Grade (Again through Easy, excluding Manual). Custom legacy schedulers now receive (card, now, model, parameters, strategies) instead of (card, now, algorithm, strategies); subclasses must use the model and separate parameters rather than this.algorithm. (#377) Thanks @ishiko732!
• Change declaration files from dist/index.d.ts to format-specific .d.mts/.d.cts files and remove the umd package-export condition. Use package imports for declaration resolution and update tooling that hard-codes the old declaration path; the UMD bundle is still built. (#346) Thanks @ishiko732!

#Deprecations

• Add explicit @deprecated annotations and replacement guidance to legacy card/parameter helpers, AbstractScheduler, strategy APIs, FSRS/IFSRS members, and legacy card, review-log, config, and scheduling types. These exports remain available for compatibility. Use DefaultScheduler or defineScheduler, model-specific parameter helpers, inferred scheduler types, and Reschedule from ts-fsrs/reschedule for new integrations. (#576) Thanks @ishiko732!
• Deprecate TypeConvert and its methods, legacy date helpers, Grades, and CLAMP_PARAMETERS. Use explicit input conversion and schemas, the selected scheduler's chrono, application-level date formatting, grades from srs-kit, and model-specific parameter helpers. Replacements are not universally interchangeable: preserve date units, rounding, output formats, and the New-card retrievability boundary when migrating. (#576) Thanks @ishiko732!

#New Features

• Add the asynchronous DefaultScheduler(options) factory backed by @open-spaced-repetition/srs-kit. It defaults to FSRS-7; select version: 'FSRS-6' to retain the previous model. The new API uses newCard, preview, review, rollback, forget, retrievability, and nextInterval, with camelCase card/config fields and { card, revlog } review results. (#451, #531, #526) Thanks @ishiko732!
• Add FSRS-3, FSRS-4, FSRS-4.5, FSRS-5, and FSRS-7 model entries alongside FSRS-6. FSRS-7 uses 34 weights, a stabilityFast memory field, and fractional-day intervals. Its standalone curve returns retrievability and total mixture weight; parameter bounds are also exported. (#401, #400, #399, #378, #520, #541, #556) Thanks @ishiko732!
• Expose defineModel, defineScheduler, defineChrono, defineMiddleware, chrono presets, scheduling schemas, and srs-kit types for custom integrations. Built-in middleware is available from the root and ts-fsrs/middlewares, including desired retention, fuzzing, statistics, scheduled days, learning steps, maximum/monotonic intervals, leech suspension, and Cost ADR. Leech suspension uses scheduleStatus: 'suspended'; Cost ADR and leech middleware are opt-in. (#445, #469, #509, #539, #412, #461, #528) Thanks @ishiko732!
• Support per-grade desired retention and direct nextInterval queries through interval middleware. Add graduatingInterval and allowModelOverride to learning-step scheduling. DefaultScheduler defaults to learning steps ['1m', '10m'], relearning steps ['10m'], and model override enabled only for FSRS-7. Disabling explicit learning steps does not disable FSRS-7's intrinsic fast trace. (#527, #526, #561) Thanks @ishiko732!
• Add Reschedule at ts-fsrs/reschedule for replaying review history into memory states or rescheduling cards and review logs. (#426, #439) Thanks @ishiko732 and @Eijnewgnaw!
• Separate parameter migration, clipping, and validation, and accept readonly parameter arrays. (#398, #492, #515) Thanks @ishiko732 and @Luc-Mcgrady!

#Fixes

• Enforce maximum intervals independently of fuzzing, preserve explicit learning steps and second precision, and keep graduation intervals monotonic. Correct FSRS-7 sub-day scheduling states. (#454, #456, #484, #540) Thanks @ishiko732!
• Clamp FSRS-4.5 through FSRS-6 initial stability to configured bounds, and validate numeric bounds and learning-step inputs. (#477, #549) Thanks @ishiko732!
• Preserve pre-review chronology during rollback, improve inferred card/revlog type displays, and avoid redundant interval calculations. (#522, #473, #443) Thanks @ishiko732!

#Build and Tooling

• Replace Rollup/esbuild with tsdown (Rolldown), and stop emitting source maps and minified bundles. (#346) Thanks @ishiko732!
• Add the build-time TS_FSRS_DISABLE_ROUNDING switch for custom builds. Published builds keep rounding enabled; this is not a runtime environment setting. (#547) Thanks @ishiko732!
• Migrate the repository's root TypeScript toolchain to TypeScript 7 (tsgo). srs-kit retains its package-local TypeScript 6 development dependency. This is a development-toolchain change, not a new TypeScript 7 requirement for consumers. (#403) Thanks @zi-gae!

#Migration

Upgrading the package and upgrading the model are separate operations. Keep FSRS-6 explicitly when migrating an existing FSRS-6 integration. To move learned cards to FSRS-7, use FSRS-7 weights and rebuild memory from complete review history since creation or the latest memory reset; do not reuse FSRS-6 weights or invent stabilityFast. Select the post-reset history explicitly: replay() filters Manual records but does not interpret reset events. Use Reschedule.replay() to rebuild memory while preserving existing due dates, learning progress, counters, and historical logs; reschedule() instead replays scheduling policy and can change the schedule. The new scheduler's forget clears statistics by default; set clearStatsOnForget: false when those statistics must be retained.

When adopting the new scheduler, migrate due/last_review to dueAt/lastReviewAt, learning_steps to learningStep, and { card, log } to { card, revlog }; persist scheduleStatus and retain a stable cardId. Date-based inputs require valid Date objects after deserialization. Review logs distinguish the pre-review lastReviewAt, pre-review dueAt, and actual reviewTime; do not blindly rename old log.due or use old-model logs for FSRS-7 rollback. Learned cards without complete history must remain on FSRS-6 rather than receiving an invented FSRS-7 state.

See the v6 and FSRS-7 migration guide for card/config mappings and rollback timestamp requirements. (#543) Thanks @ishiko732!

#@open-spaced-repetition/binding 0.6.0

Published: 2026-10-28 14:10:23 UTC

All updates

#Breaking Changes

• Remove @open-spaced-repetition/binding-win32-ia32-msvc and the i686-pc-windows-msvc build target. Native 32-bit Windows builds are no longer supported; Windows x64 and ARM64 packages remain available. (#429) Thanks @ishiko732!
• Require Node.js 24 or later and use an ESM default loader. Threaded WASI initialization is exposed through ./dynamic; ./dynamic-wasi remains an alias. (#406, #431) Thanks @ishiko732!
• Resolve timezones in Rust for CSV conversion instead of accepting a JavaScript offset callback. Use convertCsvToFsrsItems(data, nextDayStartsAt, timezoneOrOffset, modelVersion?), with an IANA timezone name or a fixed UTC offset in minutes; IANA offsets are resolved per review timestamp, including daylight saving transitions. (#384, #550) Thanks @ishiko732!
• Default optimizer/model workflows to FSRS-7, with fast stability and fractional study-day intervals. Set modelVersion: 'FSRS-6' explicitly for FSRS-6 training/evaluation and pass 'FSRS-6' to CSV conversion to retain whole study-day intervals. Use the same model version throughout conversion, training, and evaluation. new FSRSBinding() (or an empty parameter array) also defaults to FSRS-7; pass an explicit FSRS-6 parameter vector to retain FSRS-6 in that constructor. (#530) Thanks @ishiko732!
• Require an explicit positive numeric decay for computeOptimalSteps: FSRS-4 uses 1, FSRS-4.5/5 use 0.5, and FSRS-6 uses weights[20]. This single-decay fitting API does not support the FSRS-7 mixture curve. (#538) Thanks @ishiko732!
• Memory-state JSON serialization now includes stability_fast. Update strict stored-data schemas and preserve this field for FSRS-7; do not treat an FSRS-6 memory state as a complete FSRS-7 state. (#530) Thanks @ishiko732!

#New Features

• FSRSBindingReview.deltaT preserves fractional elapsed days, and FSRSBinding.nextStates accepts fractional days for FSRS-7 while retaining whole-day behavior for FSRS-6. BindingMemoryState(stability, difficulty, stabilityFast?) adds a stabilityFast getter; the optional constructor argument defaults to stability for compatibility. (#530) Thanks @ishiko732!
• Add the threadless @open-spaced-repetition/binding-wasm32-wasip1 package, including its /workerd and /wasm exports. The trainer can run across Node.js, browser Workers, and Cloudflare Workers/workerd using the appropriate native or WebAssembly entry. The threadless WASIp1 build requires no COOP/COEP headers or shared memory, so static sites hosted on GitHub Pages can run training locally in a browser Worker without a training backend. See the optimizer guide and live playground. Training and time-series evaluation retain Promise-based APIs but execute synchronously on the current worker; use a dedicated Worker in browsers. Progress callbacks are supported, and returning false stops the operation. (#432, #433) Thanks @ishiko732!
• Accept ReadableStream<Uint8Array> input for CSV conversion. (#447) Thanks @ishiko732!
• Add convertCsvToFsrsItemsWithCardIds and card IDs in training/evaluation workflows, preserving card identity across converted review items. (#553) Thanks @ishiko732!
• Add enableSchedPenalties for FSRS-7 training and evaluation. (#558) Thanks @ishiko732!

#Fixes and Dependencies

• Validate optimizer inputs and bound review-history expansion. FSRSBindingItem rejects review ratings outside 1–4, including Manual, and supplied cardIds must match the item count. (#550, #553) Thanks @ishiko732!
• Fix dynamic loader cleanup after asynchronous work and update native/WASI dependencies and binding validation. (#536, #594) Thanks @ishiko732!
• Incorporate upstream training/evaluation fixes and update fsrs-rs to revision d7f337b. (#571, #600) Thanks @ishiko732!

#ts-fsrs 5.4.2

Published: 2026-09-01 02:23:29 UTC

All updates

#Patch Changes

• #486 13f9233 Thanks @gpanakkal! - fix(fsrs): clip parameters after migrating

#@open-spaced-repetition/binding 0.5.0

Published: 2026-06-06 04:18:43 UTC

All updates

#Minor Changes

• #381 18562c4 Thanks @ishiko732! - chore(binding): upgrade fsrs to the published 6.5.0 crate and support passing trainingConfig to parameter training APIs

#@open-spaced-repetition/binding 0.4.0

Published: 2026-06-04 14:26:27 UTC

All updates

#Minor Changes

• #379 7479e74 Thanks @ishiko732! - chore(binding): remove the Burn dependency. Upgrade fsrs to the published 6.4.0 crate (no longer requires the custom burn fork), drop the [patch.crates-io.burn]/[patch.crates-io.burn-train] workspace patches, and delete the burn-v0.17.1-sys-metrics.wasm32 patch.

#ts-fsrs 5.4.1

Published: 2026-05-22 01:48:17 UTC

All updates

#Patch Changes

• #368 c392245 Thanks @cantalupo555! - fix(clipParameters): apply sqrt ceiling to w[17]/w[18] to prevent constraint violation during relearning

#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

#@open-spaced-repetition/binding 0.3.1

Published: 2026-05-18 02:16:49 UTC

All updates

#Patch Changes

• #364 c50e027 Thanks @ishiko732! - feat(binding): implement memoryStateFromSM2 method for FSRSBinding

#ts-fsrs 5.3.3

Published: 2026-05-11 11:28:05 UTC

All updates

#Patch Changes

• #353 fce96ee Thanks @ishiko732! - fix(clipParameters): clamp w[11]/w[13]/w[14] before computing the w[17]/w[18] ceiling so that out-of-range inputs (e.g. 0 or negative values) no longer produce NaN/-Infinity via Math.log, and avoid invoking CLAMP_PARAMETERS twice by reusing the same clip ranges.

#@open-spaced-repetition/binding 0.3.0

Published: 2026-03-31 12:58:44 UTC

All updates

#Minor Changes

• #325 948e3cd Thanks @ishiko732! - feat(binding): add computeOptimalSteps to analyze revlog and recommend optimal learning/relearning steps

  Compute optimal learning/relearning steps from CSV revlog data. Analyzes review history by rating groups, fits forgetting curves via golden-section search, and recommends step durations based on desired retention and decay parameters.

#Patch Changes

• #327 e089f2f Thanks @ishiko732! - fix: Build the binding packages with Rust 1.94.1 and invalidate Turborepo caches when CI configuration changes.

• #329 5cd8949 Thanks @ishiko732! - fix: include README, localized package docs, and license files in the published binding tarball

#ts-fsrs 5.3.2

Published: 2026-03-31 12:56:44 UTC

All updates

#Patch Changes

• #329 5cd8949 Thanks @ishiko732! - fix: include README, localized package docs, and license files in the published ts-fsrs tarball

#@open-spaced-repetition/binding 0.2.1

Published: 2026-03-23 01:11:17 UTC

All updates

#Patch Changes

• #319 d80230e Thanks @ishiko732! - fix(binding): worker and WASM path issues in the export flow to prevent Webpack and Turbopack resolution errors.

• #319 d80230e Thanks @ishiko732! - fix(binding): bump @emnapi/core and @emnapi/runtime to ^1.9.0 to avoid Cannot read properties of undefined (reading 'whenLoaded') error.

  ref: https://github.com/toyobayashi/emnapi/issues/202

• #319 d80230e Thanks @ishiko732! - feat(binding): support errorEvent option to emit custom events for errors in WASI worker.

  When enabled, worker errors are captured and dispatched as napi-rs-worker-error CustomEvent on window, allowing applications to handle WASM panics gracefully in the browser.

  ref: https://github.com/toyobayashi/emnapi/issues/203

#ts-fsrs 5.3.1

Published: 2026-03-19 16:26:56 UTC

All updates

#Patch Changes

• #315 40e712e Thanks @moaaz-ae! - fix: prevent unexpected skipping of learning steps when Rating.Good is selected in State.Learning (#311)

#@open-spaced-repetition/binding 0.2.0

Published: 2026-03-19 11:15:07 UTC

All updates

#Minor Changes

• #272 23ec7a9 Thanks @ishiko732! - refactor(binding): refactor progress callback to support training interruption

  BREAKING CHANGES:

  • progress callback no longer supports async functions, because call_with_return_value does not support asynchronous execution. See Node.js N-API documentation: https://nodejs.org/api/n-api.html#n_api_napi_call_threadsafe_function

• #309 7c0d97c Thanks @ishiko732! - feat(binding): add initOptimizer dynamic loader for custom wasm/worker resources

  • Export ./dynamic-wasi entry from binding with initOptimizer(options) for Node.js and browser
  • Export ./wasi-worker and ./wasm entries from binding-wasm32-wasi for resolving worker and wasm paths
  • Allows users to provide wasm binary (Buffer, URL, Response) and worker (factory, instance, path) externally

#Patch Changes

• #271 1f8cf5e Thanks @ishiko732! - add universal_metrics method for FSRS evaluation

• #313 36c6066 Thanks @ishiko732! - fix(binding): avoid wasm dead-code warnings in compute_parameters task

• #269 ae7775c Thanks @ishiko732! - add evaluation method

• #295 014ad22 Thanks @ishiko732! - add evaluate_with_time_series_splits

#ts-fsrs 5.3.0

Published: 2026-03-19 11:10:25 UTC

All updates

#Minor Changes

• #266 17fb34d Thanks @ishiko732! - Non-decreasing SInc(Hard) in same-day reviews — sync with fsrs-rs#376 changes

#Patch Changes

• #314 87f94f2 Thanks @user1823! - Performance improvements

Older entries below were imported from GitHub Releases and preserve the original release-note wording where practical.

#@open-spaced-repetition/binding 0.1.1

Published: 2025-11-03 13:27:44 UTC

All updates

#Patch Changes

• #241 f2b700d Thanks @ishiko732! - Fix missing build artifacts in the binding package and ensure .js, .cjs, .mjs, and .d.ts files are properly included in the distributed package.

#@open-spaced-repetition/binding 0.1.0

Published: 2025-11-03 11:08:02 UTC

All updates

#Minor Changes

• #237 c1d61fe Thanks @ishiko732! - # @open-spaced-repetition/binding v0.1.0

  🎉 Release the first version of the high-performance FSRS optimizer based on fsrs-rs and napi-rs.

  #Features

  • High-Performance Parameter Optimization: Native Rust implementation for computationally intensive FSRS parameter optimization
  • Multi-Platform Support: Pre-built binaries for 11 platforms:
    • Windows: x64, ia32, arm64 (MSVC)
    • macOS: x64, arm64 (Darwin)
    • Linux: x64/arm64 (GNU/MUSL)
    • Android: arm64
    • WebAssembly: wasm32-wasip1-threads
  • Core APIs:
    • computeParameters(): Optimize FSRS parameters from review history
    • convertCsvToFsrsItems(): Convert CSV review logs to FSRS data format
    • FSRSBinding: FSRS scheduler instance for memory state calculations

  #Requirements

  • Node.js >= 20.0.0
  • For WebAssembly: Additional package manager configuration required

  #Limitations

  • ⚠️ Beta Notice: API may change in future releases
  • Cannot run in edge-runtime environments (edge-runtime does not support WASI)

  #Documentation

  See README.md for installation instructions and usage examples.

#ts-fsrs 5.2.3

Published: 2025-09-05 02:59:31 UTC

All updates

#Historical Release Notes

• Released: 2025-09-05
• Source: GitHub Release
• Permit mock date objects that convert to Date values by @runarberg in #PR215
• Bump the devdependencies group across 1 directory with 6 updates by @dependabot[bot] in #PR218

#ts-fsrs 5.2.2

Published: 2025-08-11 11:50:38 UTC

All updates

#Historical Release Notes

• Released: 2025-08-11
• Source: GitHub Release
• Convert jest config to typescript by @joshdavham in #PR211
• Bump @biomejs/biome from 2.0.6 to 2.1.3 in the devdependencies group across 1 directory by @dependabot[bot] in #PR212
• Fix/clamp the minimum of w[19] by @ishiko732 in #PR213

#ts-fsrs 5.2.1

Published: 2025-07-14 03:23:13 UTC

All updates

#Historical Release Notes

• Released: 2025-07-14
• Source: GitHub Release
• Fix/Ignore deprecated code for code coverage by @Luc-Mcgrady in #PR199
• Bump the devdependencies group with 11 updates by @dependabot[bot] in #PR198
• Style/migrate to biome.js by @ishiko732 in #PR201
• Bump the devdependencies group with 4 updates by @dependabot[bot] in #PR202
• Update README syntax and enhance documentation by @ishiko732 in #PR205
• Fix: Prevent premature graduation for cards in learning state by @tomerbeil in #PR206
• Fix publish.yml by @ishiko732 in #PR207

#ts-fsrs 5.2.0

Published: 2025-06-15 15:27:37 UTC

All updates

#Historical Release Notes

• Released: 2025-06-15
• Source: GitHub Release
• Fix/FSRS-6 default parameters by @xiety in #PR196

#ts-fsrs 5.1.0

Published: 2025-06-10 04:39:15 UTC

All updates

#Historical Release Notes

• Released: 2025-06-10
• Source: GitHub Release
• Chore/mark fields and methods as depreacted by @ishiko732 in #PR192
• Bump the devdependencies group with 6 updates by @dependabot in #PR184
• Improved Typing for FSRS Class Methods by @nodbew in #PR195

#ts-fsrs 5.0.1

Published: 2025-06-03 13:41:26 UTC

All updates

#Historical Release Notes

• Released: 2025-06-03
• Source: GitHub Release
• Fix/fix path in jsr & update README badge by @ishiko732 in #PR183
• Docs/update badges by @ishiko732 in #PR186
• Test/fix memory state unit test by @ishiko732 in #PR187
• Fix/add missing fields to package.json for compatibility by @ishiko732 in #PR191

#ts-fsrs 5.0.0

Published: 2025-05-12 04:55:00 UTC

All updates

#Historical Release Notes

• Released: 2025-05-12
• Source: GitHub Release
• 1. Upgraded to FSRS-6 algorithm
• 2. New learning_steps field added to card and revlog
• 3. Added new (re)learning_steps fields to FSRSParameters
• Feat/FSRS-6 by @ishiko732 in #PR174
• Chore/update release process by @ishiko732 in #PR178
• Bump the devdependencies group across 1 directory with 9 updates by @dependabot in #PR176
• publish to JSR by @ishiko732 in #PR180
• Feat/(re)learning steps by @ishiko732 in #PR177
• Chore/upgrade typedocs&ESM by @ishiko732 in #PR170
• Feat/checkParameters by @Luc-Mcgrady in #PR182
• Docs/Readme by @Luc-Mcgrady in #PR179
• Export types and release 5.0.0 by @ishiko732 in #PR181

#ts-fsrs 4.7.1

Published: 2025-04-07 12:52:01 UTC

All updates

#Historical Release Notes

• Released: 2025-04-07
• Source: GitHub Release
• Doc/Improve Examples by @david-allison in #PR163
• Bump the devdependencies group across 1 directory with 8 updates by @dependabot in #PR164
• Fix/prevent overwriting default values and parameters by @ishiko732 in #PR165

#ts-fsrs 4.7.0

Published: 2025-03-15 08:14:01 UTC

All updates

#Historical Release Notes

• Released: 2025-03-15
• Source: GitHub Release
• add nix && update some api by @asukaminato0721 in #PR149
• Create dependabot.yml by @ishiko732 in #PR153
• Fix/incorrect eslint config by @ishiko732 in #PR152
• Bump the devdependencies group across 1 directory with 13 updates by @dependabot in #PR157
• Bump the devdependencies group with 6 updates by @dependabot in #PR158
• Fix/Add Prettier to ci by @Luc-Mcgrady in #PR160
• Feat/Export the forgetting curve function by @Luc-Mcgrady in #PR159

#ts-fsrs 4.6.1

Published: 2025-01-22 12:40:29 UTC

All updates

#Historical Release Notes

• Released: 2025-01-22
• Source: GitHub Release
• Chore/Optimize the build by @ishiko732 in #PR147
• Fix/clamp the params and s by @ishiko732 in #PR148

#ts-fsrs 4.6.0

Published: 2025-01-06 16:16:57 UTC

All updates

#Historical Release Notes

• Released: 2025-01-06
• Source: GitHub Release
• Feat/add next_state method by @ishiko732 in #PR146

#ts-fsrs 4.5.2

Published: 2025-01-05 07:27:57 UTC

All updates

#Historical Release Notes

• Released: 2025-01-05
• Source: GitHub Release
• Fix/wrong calc elapsed days by @ishiko732 in #PR144

#ts-fsrs 4.5.1

Published: 2024-12-17 11:42:45 UTC

All updates

#Historical Release Notes

• Released: 2024-12-17
• Source: GitHub Release
• Fix/clip post lapse stability by @ishiko732 in #PR142

#ts-fsrs 4.5.0

Published: 2024-11-30 10:38:58 UTC

All updates

#Historical Release Notes

• Released: 2024-11-30
• Source: GitHub Release
• nolyfill by @asukaminato0721 in #PR138
• Bump cross-spawn from 7.0.3 to 7.0.6 by @dependabot in #PR139
• Feat/Impl initSeed& Scheduler extension based on the strategy pattern by @ishiko732 in #PR137
• Feat/linear damping by @ishiko732 in #PR133

#ts-fsrs 4.4.3

Published: 2024-11-09 13:57:49 UTC

All updates

#Historical Release Notes

• Released: 2024-11-09
• Source: GitHub Release
• Fix/export the FSRSHistory and FSRSReview typo by @ishiko732 in #PR135

#ts-fsrs 4.4.2

Published: 2024-10-21 13:30:26 UTC

All updates

#Historical Release Notes

• Released: 2024-10-21
• Source: GitHub Release
• Fix/update FSRS-4.5 params into FSRS-5 properly by @ishiko732 in #PR132

#ts-fsrs 4.4.1

Published: 2024-10-11 15:39:27 UTC

All updates

#Historical Release Notes

• Released: 2024-10-11
• Source: GitHub Release
• Test/update alea test by @ishiko732 in #PR128
• Refactor/reschedule by @ishiko732 in #PR127
• Bump micromatch from 4.0.5 to 4.0.8 by @dependabot in #PR129
• Bump rollup from 4.18.1 to 4.22.4 by @dependabot in #PR130

#ts-fsrs 4.3.1

Published: 2024-09-19 15:29:04 UTC

All updates

#Historical Release Notes

• Released: 2024-09-19
• Source: GitHub Release
• Fix/typo: schduler -> scheduler by @L-M-Sherlock in #PR123
• Fix/stability not restrict maximun and minimun by @ishiko732 in #PR126

#ts-fsrs 4.3.0

Published: 2024-09-12 14:30:14 UTC

All updates

#Historical Release Notes

• Released: 2024-09-12
• Source: GitHub Release
• compute retrievability for all states by @L-M-Sherlock in #PR122

#ts-fsrs 4.2.0

Published: 2024-09-07 10:32:20 UTC

All updates

#Historical Release Notes

• Released: 2024-09-07
• Source: GitHub Release
• Feat/Support iteration in the repeat by @ishiko732 in #PR121

#ts-fsrs 4.1.3

Published: 2024-09-01 15:00:35 UTC

All updates

#Historical Release Notes

• Released: 2024-09-01
• Source: GitHub Release
• Chore/clear seedrandom by @ishiko732 in #PR116
• Add unit test of memory state by @L-M-Sherlock in #PR119
• Fix/spelling error default by @ishiko732 in #PR120

#ts-fsrs 4.1.2

Published: 2024-08-15 15:55:28 UTC

All updates

#Historical Release Notes

• Released: 2024-08-15
• Source: GitHub Release
• Example/add switch short-term example by @ishiko732 in #PR111
• Fix/set same seed should return the same interval by @ishiko732 in #PR114

#ts-fsrs 4.1.1

Published: 2024-08-04 06:48:56 UTC

All updates

#Historical Release Notes

• Released: 2024-08-04
• Source: GitHub Release
• Fix/default return typo for next method by @ishiko732 in #PR109
• Fix/if s<0.5, get_retrievability return NaN by @ishiko732 in #PR110

#ts-fsrs 4.1.0

Published: 2024-08-03 13:01:15 UTC

All updates

#Historical Release Notes

• Released: 2024-08-03
• Source: GitHub Release
• upgrade typescript-eslint to version 8 by @joshdavham in #PR107
• Feat/remove seedrandom & use alea prng by @ishiko732 in #PR108

#ts-fsrs 4.0.2

Published: 2024-07-30 14:56:19 UTC

All updates

#Historical Release Notes

• Released: 2024-07-30
• Source: GitHub Release
• Fix/long term scheduler has not been set correctly for s and d by @ishiko732 in #PR106

#ts-fsrs 4.0.1

Published: 2024-07-27 15:40:45 UTC

All updates

#Historical Release Notes

• Released: 2024-07-27
• Source: GitHub Release
• Fix/set mean reversion target to d0(4) by @ishiko732 in #PR103
• Feat/use Reflect to set the FSRSParamters by @ishiko732 in #PR104

#ts-fsrs 4.0.0

Published: 2024-07-25 15:26:40 UTC

All updates

#Historical Release Notes

• Released: 2024-07-25
• Source: GitHub Release
• Fix/deploy not working by @ishiko732 in #PR97
• Refactor/Scheduler Framework by @ishiko732 in #PR99
• Feat/add the next method to return card and log results by @ishiko732 in #PR101
• Chore/add debugging folder by @ishiko732 in #PR102
• Feat/long-term schduler by @ishiko732 in #PR100

#ts-fsrs 3.5.7

Published: 2024-04-18 04:06:00 UTC

All updates

#Historical Release Notes

• Released: 2024-04-18
• Source: GitHub Release
• pref/adjusting get_retrievability by @ishiko732 in #83

#ts-fsrs 3.5.6

Published: 2024-04-16 16:27:01 UTC

All updates

#Historical Release Notes

• Released: 2024-04-16
• Source: GitHub Release
• Chore/config typedoc by @ishiko732 in #82
• Feat/Add umd distribution by @barrelltech in #84
• Fix/actions is not functioning correctly by @ishiko732 in #86

#ts-fsrs 3.5.4

Published: 2024-04-11 11:15:19 UTC

All updates

#Historical Release Notes

• Released: 2024-04-11
• Source: GitHub Release
• Feat/allow parameters to be modified by @ishiko732 in #81

#ts-fsrs 3.5.3

Published: 2024-03-21 13:07:36 UTC

All updates

#Historical Release Notes

• Released: 2024-03-21
• Source: GitHub Release
• Fix/input not array in reschedule method by @ishiko732 in #77

#ts-fsrs 3.5.2

Published: 2024-03-15 14:56:29 UTC

All updates

#Historical Release Notes

• Released: 2024-03-15
• Source: GitHub Release
• Test/update algorithm test by @ishiko732 in #75
• Fix/IEEE754 decimal precision by @ishiko732 in #76

#ts-fsrs 3.5.1

Published: 2024-03-13 12:17:31 UTC

All updates

#Historical Release Notes

• Released: 2024-03-13
• Source: GitHub Release
• Fix/fuzz=false wrong calc next_ivl by @ishiko732 in #74

#ts-fsrs 3.5.0

Published: 2024-03-12 07:08:53 UTC

All updates

#Historical Release Notes

• Released: 2024-03-12
• Source: GitHub Release
• Fix/Grades allowed be modified by @ishiko732 in #73
• Feat/reschedule&update fuzz by @ishiko732 in #72

#ts-fsrs 3.4.1

Published: 2024-03-02 11:57:04 UTC

All updates

#Historical Release Notes

• Released: 2024-03-02
• Source: GitHub Release
• Chore/update default parameters by @ishiko732 in #71

#ts-fsrs 3.4.0

Published: 2024-02-09 11:47:39 UTC

All updates

#Historical Release Notes

• Released: 2024-02-09
• Source: GitHub Release
• Feat/add after handler by @ishiko732 in #69
• Refactor/pre-processing input by @ishiko732 in #69
• Doc/add example annotation by @ishiko732 in #69
• Test/add test afterHandler by @ishiko732 in #69
• With the use of the afterHandler, you can easily implement data transformation, making it convenient to integrate with ORM frameworks.
• Examples have been added to the comments, and detailed information can be viewed through the documentation or IDE (Visual Studio Code/WebStorm).

#ts-fsrs 3.3.1

Published: 2024-02-05 06:40:23 UTC

All updates

#Historical Release Notes

• Released: 2024-02-05
• Source: GitHub Release
• docs/change of License by @ishiko732 in #66
• Chore/remove rollup-plugin-terser by @ishiko732 in #67
• Fix/date is not a function by @ishiko732 in #68

#ts-fsrs 3.3.0

Published: 2023-12-26 12:06:44 UTC

All updates

#Historical Release Notes

• Released: 2023-12-26
• Source: GitHub Release
• Feat/fsrs-4.5 by @ishiko732 in #65

#ts-fsrs 3.2.3

Published: 2023-12-24 06:21:47 UTC

All updates

#Historical Release Notes

• Released: 2023-12-24
• Source: GitHub Release
• Chore/support commonjs by @ishiko732 in #63 for #62

#ts-fsrs 3.2.2

Published: 2023-12-15 15:33:13 UTC

All updates

#Historical Release Notes

• Released: 2023-12-15
• Source: GitHub Release
• Chore/bump package.json by @ishiko732 in #61

#ts-fsrs 3.2.1

Published: 2023-12-10 10:52:35 UTC

All updates

#Historical Release Notes

• Released: 2023-12-10
• Source: GitHub Release
• Feat/calc s inc based on last_d by @ishiko732 in #59
• Fix/wrong typo RatingType by @ishiko732 in #60
• Chore/readme by @ishiko732 in #60

#ts-fsrs 3.1.1

Published: 2023-11-20 15:34:11 UTC

All updates

#Historical Release Notes

• Released: 2023-11-20
• Source: GitHub Release
• Feat/rollback Card by @ishiko732 in https://github.com/ishiko732/ts-fsrs/pull/40
• Feat/forget by @ishiko732 in https://github.com/ishiko732/ts-fsrs/pull/42
• Fix/The calculated result of elapsed_days is incorrect in the revlog by @ishiko732 in https://github.com/ishiko732/ts-fsrs/issues/44
• Fix/Circular Dependencies by @ishiko732
• Chore/ compilation using Rollup by @ishiko732 in https://github.com/ishiko732/ts-fsrs/pull/46
• Chore/ delete fsrs.umd.js by @ishiko732 in https://github.com/ishiko732/ts-fsrs/pull/47
• Chore/ exports sourcemap by @ishiko732 in https://github.com/ishiko732/ts-fsrs/pull/48
• Refactor/Remove dotenv file and reduce repository size by 138KB by @ishiko732 in https://github.com/ishiko732/ts-fsrs/pull/49
• Fix/wrong scheduled_days in forget by @ishiko732 in https://github.com/ishiko732/ts-fsrs/pull/50
• Chore/example by @ishiko732 in https://github.com/ishiko732/ts-fsrs/pull/51
• Fix/GitHub actions by @ishiko732 in #53 #54

#ts-fsrs 3.0.6

Published: 2023-11-04 13:03:23 UTC

All updates

#Historical Release Notes

• Released: 2023-11-04
• Source: GitHub Release
• readme add basic use; add annoation to some function ; add digrams write by plantuml by @2Lavine in #38
• Doc/add return type in algorithm.ts&update example in README.md by @ishiko732 in #41
• Feat/grades by @ishiko732 in #43

#ts-fsrs 3.0.4

Published: 2023-10-22 15:19:57 UTC

All updates

#Historical Release Notes

• Released: 2023-10-22
• Source: GitHub Release
• Feat/env in #30
• Feat/fsrs v4 #31
• Fix/wrong data types #33
• Feat/never type #34
• Feat/recordLog type #36
• security:Bump @babel/traverse from 7.22.19 to 7.23.2 by bot in #35