# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## 0.4.1 (2026-06-21)

### Changed

- Reduce bundle size a bit

## 0.4.0 (2026-05-25)

### Changed

- **BREAKING**: Reflect normative changes approved in the TC39 meeting of May 2026 ([#34](https://github.com/fabon-f/temporal-polyfill-lite/pull/34), [#35](https://github.com/fabon-f/temporal-polyfill-lite/pull/35))
- Improve error messages ([#36](https://github.com/fabon-f/temporal-polyfill-lite/pull/36))

### Fixed

- Remove extra observable `[[GetOwnProperty]]` calls in `Intl.DateTimeFormat` constructor ([#33](https://github.com/fabon-f/temporal-polyfill-lite/pull/33))

## 0.3.6 (2026-05-07)

### Fixed

- Stop implement `formatRange` and `formatRangeToParts` methods to `Intl.DateTimeFormat` on legacy browsers without support for these methods, which makes feature detection of range formatting methods work correctly ([#32](https://github.com/fabon-f/temporal-polyfill-lite/pull/32))

## 0.3.5 (2026-04-20)

### Fixed

- Fix wrong order of observable operations for options object in `Intl.DateTimeFormat` constructor ([#28](https://github.com/fabon-f/temporal-polyfill-lite/pull/28))
- Fix types of `Intl` when the polyfill is used as a ponyfill ([#29](https://github.com/fabon-f/temporal-polyfill-lite/pull/29))

## 0.3.4 (2026-04-14)

### Fixed

- Fix discrepancy of date time format between timestamp and Temporal objects in `Intl.DateTimeFormat` ([#27](https://github.com/fabon-f/temporal-polyfill-lite/pull/27))

## 0.3.3 (2026-03-21)

### Added

- Introduce opt-in cache for system time zone ID ([#22](https://github.com/fabon-f/temporal-polyfill-lite/pull/22))

### Fixed

- Fix bugs related to extreme dates in `persian` calendar ([#23](https://github.com/fabon-f/temporal-polyfill-lite/pull/23))

## 0.3.2 (2026-03-12)

### Changed

- Implement out-of-bounds check in `Temporal.PlainMonthDay` construction for non-ISO calendars ([#21](https://github.com/fabon-f/temporal-polyfill-lite/pull/21))

### Fixed

- Fix a bug caused by extreme `year` field during `Temporal.PlainMonthDay` construction ([#20](https://github.com/fabon-f/temporal-polyfill-lite/pull/20))

## 0.3.1 (2026-03-07)

### Fixed

- Fix incorrect `sideEffects` package settings which causes a bundle issue ([#19](https://github.com/fabon-f/temporal-polyfill-lite/pull/19))

## 0.3.0 (2026-03-07)

### Added

- Add support for non-ISO calendars ([#6](https://github.com/fabon-f/temporal-polyfill-lite/issues/6))

### Changed

- **BREAKING**: Make a type definition compatible with TypeScript 6.0, stop importing types to the global namespace when importing `temporal-polyfill-lite/global` ([#17](https://github.com/fabon-f/temporal-polyfill-lite/pull/17))

## 0.2.3 (2026-03-04)

### Fixed

- Fix incorrect rounding of durations in edge cases ([#14](https://github.com/fabon-f/temporal-polyfill-lite/pull/14))

## 0.2.2 (2026-02-09)

### Fixed

- Fix the bug caused by improper minification which makes `new Intl.DateTimeFormat()` throw `TypeError` ([#5](https://github.com/fabon-f/temporal-polyfill-lite/pull/5))

## 0.2.1 (2026-02-06)

### Changed

- Improve performance for `ZonedDateTime` ([#3](https://github.com/fabon-f/temporal-polyfill-lite/pull/3), [e9b5cbf](https://github.com/fabon-f/temporal-polyfill-lite/commit/e9b5cbf3e06cd1db24c086ec5b41f7c5faf5861e))
- Improve error messages ([94990ad](https://github.com/fabon-f/temporal-polyfill-lite/commit/94990adca9052a785db16f74716cccf653f51a83))

### Fixed

- Stop display fractional seconds for date classes in `Intl.DateTimeFormat` ([#2](https://github.com/fabon-f/temporal-polyfill-lite/pull/2))

## 0.2.0 (2026-01-30)

### Changed

- **BREAKING**: Reflect a normative change which disallows adding weeks, days, and time units to `PlainYearMonth` ([#1](https://github.com/fabon-f/temporal-polyfill-lite/pull/1))
- Stop mangling of function names in the production build for better stack traces ([14a367e](https://github.com/fabon-f/temporal-polyfill-lite/commit/14a367e7392b06324bf1844316be4a0b43e6a531))

## 0.1.0 (2026-01-25)

### Added

- Initial release including everything