Releases

• Commands accept natural language dates.
• Daily reminders across a range of days.
• A choice of readings for ambiguous or misspelt dates.
• Reminders can repeat intermittently.
• Slashed, hyphenated and ISO dates.
• !event adds one-time and multi-day events.
• /dateorder sets DD/MM or MM/DD.
• ?date tests date parsing.

• The launch animation.
• Patterns’ hour spikes are cut like engraved crystals.
• ⌘1, ⌘2 and ⌘3 open Calendar, Chronicle and Patterns.
• The footer previews a command’s date as you type.
• ⌘⌫ deletes to the line start; Delete Day moves to ⇧⌘⌫.
• Hints, questions and hovered labels are easier to read.
• ⌘; shows misspelt words; ⌥⌘; replaces them with best-guess corrections.
• Press Tab to correct a mistyped command.

• Deleted days stay deleted after relaunch.
• Dates keep one figure style as you type.
• Undoing Delete Day restores your last edits.
• Text after a line break in a command is no longer lost.
• A damaged file never replaces a good copy in the iCloud backup.
• Undoing formatting leaves your typing in place.
• Aion uses less energy while idle.
• Dead keys on international keyboards type accents.

Requires macOS 15.6 or later.

• Every command that changes the diary can be undone.
• /lexicon gains eleven words from the Studio 417K house editions.
• Today’s date glints on the Calendar.

• Reminders due on the same day arrive as one list.
• More intelligent defaults for commands.
• Typographic substitutions for ≤, ≥, ≠, ≈, and ±.
• Alphanumeric terms take upright figures: MP3 becomes MP3.
• Clearer VoiceOver labels for Calendar and Patterns.
• A shorter, simpler Help Book.

• Typing no longer erases a reminder that has just arrived.
• An entry with a line break keeps its own timestamp.
• Lines beginning “CD” are no longer mistaken for the cd command.
• Undoing a recurring reminder removes every occurrence.
• !remindme tues means this Tuesday only.
• Location aliases persist.
• Suggested locations are never a country or a sea.
• Search by meaning applies your filters.

Requires macOS 15.6 or later.

• Recurring reminders: !remindme mondays, every 2w, every month.
• !reschedule moves a reminder to another day.
• /reminders lists all future reminders.
• /summary shows a day’s word count and the hours it spans.
• Today is marked on the Calendar.
• Back Up Now, in the iCloud backup menu.

• Timestamps line up in a straight column.
• Delivered reminders stay out of word counts and search.
• Times in the footer take the colour of their hour.

• A day can no longer lose all its timestamps at once.
• A failed save keeps your edit.
• Files Aion cannot read are left untouched.
• !export with a date range exports those days.
• The window fits the screen after a display is disconnected.

• Window › Zoom and Zoom All.

Requires macOS 26 or later.

• Three surfaces: Calendar, Chronicle, and Patterns.
• Commands typed into the diary: !remindme, !birthday, !exercise, cd, and /similar.
• Each timestamp takes the colour of its hour.
• Search by meaning, on device.
• A Moon Phases widget.
• An optional backup to your own iCloud.
• Export to plain text, Markdown, and images.

Requires macOS 26 or later. Sandboxed, with no account and no analytics.