Changelog

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All notable changes to Koyomi are documented in this file.

The format follows Keep a Changelog, and Koyomi follows Semantic Versioning.

[Unreleased]

[0.2.1] - 2026-10-25

Added

  • The Sumi theme follows Sumi's seven themes and their accents: where a theme's accent is the hue of the holiday or of a tone, that one takes another hue in that theme (Smoke, Stone, Lacquer, Snow, Silk). mix dev shows every page in each (?sumi=smoke). See the Theming guide.

Fixed

  • Koyomi.Live.refresh_days/2 left a calendar on the page, and an open popover, without day content: it cleared the days but asked for them again only when the months shown changed, which a refresh does not do. It now asks for the days of the months shown at once (a closed popover still asks when it opens).
  • The Sumi theme gave Sumi's dark themes other than Ink the light palette, and Sumi's light themes other than Paper the dark one on a system in dark mode. Its warning tone, on a page without Sumi, is Sumi's warning.

[0.2.0] - 2026-10-17

Added

  • Filters and URLs: the pickers work with plain params as well as with Ecto forms. See the new Filters and URLs guide.
    • keys on the range picker names the two days in the posted map and in the value: keys={{"start", "end"}} posts field[start] and field[end], and reads a value with those keys as the params have it.
    • relative on the date and range pickers: a chosen preset posts its key (last_7_days, this_month, yesterday) instead of the days it covers today, so that a filter in a shared link stays relative. The field shows the preset and its days, a key as the value shows that preset, and words typed in the popover that give a preset's days choose that preset.
    • Each preset has a key: the built-in ones their own (Koyomi.Presets.key/1), the others the key of a keyword list (presets={[recent: {:last, 7, :days}]}), which names the app's own presets too.
    • Koyomi.Presets.to_date/2 and to_range/2 give the days of a preset or of its key on a day, and Koyomi.Presets.parse/1 the preset of a key.
    • Koyomi.DateRange casts a map with "start" and "end", and the key of a built-in preset (today's days, in UTC).
    • Koyomi.Test.pick/3 picks a preset by its key in a relative picker.
    • The development server has a Filters page.
  • Phoenix 1.7 and LiveView 1.1 are supported: Koyomi needs Phoenix 1.7.14 or 1.8 (it needed 1.8) and LiveView 1.1 or later (it needed 1.2). Koyomi needed no change of code for them. CI tests the oldest versions.

Fixed

  • A browser test of the date picker's presets no longer fails on Saturdays, when the development page's rules disable tomorrow.

[0.1.2] - 2026-10-14

Added

  • setIcons in the JavaScript bundle replaces the icons of the pickers with the app's own (an SVG, or an element such as a Phoenix Heroicon), and each icon has a data-icon attribute for styles. See the Icons section of the theming guide.

Changed

  • The icons of the pickers are Lucide's (calendar, clock, repeat, x, chevron-right), as in Kotoba, drawn with a stroke of 2 instead of 1.75. NOTICE has the Lucide and Feather licences.

Fixed

  • The end day of a recurrence ("Ends on") is picked on a Koyomi calendar that opens in the popover, and no longer on the browser's date input. It follows the locale and the theme, and the days before the start are disabled. Escape closes the calendar and keeps the popover open.

[0.1.1] - 2026-10-14

Added

  • SQLite and MySQL: Koyomi.DateRange and Koyomi.DateTimeRange take storage: :string (an ISO 8601 interval in a text column) or storage: :map (a JSON column), besides the PostgreSQL range columns of the default storage: :postgres. Embedded schemas take them too.

Fixed

  • Koyomi.Dates reads back the JSON array of ISO dates that SQLite keeps for an {:array, :date} field.

[0.1.0] - 2026-10-13

Added

  • The pickers, in Koyomi.Components: date_picker/1, date_range_picker/1, dates_picker/1, month_picker/1, week_picker/1, year_picker/1, time_picker/1, datetime_picker/1, recurrence_picker/1 and calendar/1. Each is a field for a form that posts the forms of the browser's own inputs, and is the browser's own input before the hook mounts.
  • A field of segments (day, month, year, hour, minute, day period) in the order of the locale, typed or changed with the arrow keys, with the number keyboard on a phone.
  • Dates typed in words, with a preview: "next friday", "in 3 weeks", "15–20 mar", "tomorrow 9am", in English, Portuguese, Spanish, French, German, Italian, Dutch and Japanese, and month and weekday names in any locale.
  • Calendars in any locale and in the calendar systems of Intl (Japanese, Buddhist, ROC, Persian, Islamic, Hebrew, Chinese, Indian, Ethiopic and Coptic), with the locale's digits, first day of the week and direction.
  • Koyomi.Rules, the same rules in the browser and in Koyomi.Changeset: bounds (relative to today), disabled days, ranges and weekdays, range lengths, counts, times and steps.
  • Ecto types: Koyomi.DateRange (PostgreSQL daterange), Koyomi.DateTimeRange (tstzrange), Koyomi.Dates, Koyomi.Month, Koyomi.Week and Koyomi.Recurrence.
  • Time zones: date and time pickers in a zone post the zone's offset, and show and resolve a time that the clocks skip or repeat; Koyomi.Changeset.cast_datetime/5 for wall clock times.
  • Day content from the LiveView (Koyomi.Live.handle_days/4): labels, tones, marks, descriptions, disabled days and time slots, in sync or async.
  • Presets (Koyomi.Presets), public holidays of 26 countries (Koyomi.Holidays) and recurrence rules (Koyomi.Recurrence, a subset of RFC 5545, with descriptions in eight languages).
  • The words of the pickers in eight languages (Koyomi.Messages).
  • Koyomi.Test, to pick values in Phoenix.LiveViewTest.
  • mix koyomi.install, the --koyomi-* properties and the Sumi theme.