v0.3.0 — Signed & notarized

Kolon is now signed with a Developer ID certificate and notarized by Apple — no more right-click-to-open dance on first launch. Tickets are stapled, so Gatekeeper passes even offline.

New: drag-install DMG. A universal disk image with a little easter egg: the temple on the background is missing a column, and the Applications folder sits right in the gap — drag the column into place to install.

• Homebrew (recommended, installs a lean single-architecture build):
  brew install --cask inanalper/tap/kolon
• Direct download: grab Kolon-0.3.0.dmg below (universal, works on Apple Silicon and Intel).

The app itself is unchanged from v0.2.4.

sha256

Kolon-0.3.0-arm64.zip   0ad8dc983477e54de0815d616641f0f588b4ac0ed5958b174df967a08357700d
Kolon-0.3.0-x86_64.zip  a66935304aaa707deed3a50c0d116c342d112b47967e2442ab546682253dfcf6
Kolon-0.3.0.dmg         c8e8b7fe0a414d269d0bf6215645471ecc98e61060d82cce81a6d881af10d4c4

v0.2.4

What's new

• Multi-line values are now legible: cells containing newlines or tabs show them as visible escapes (\n, \r\n, \t) instead of silently cutting at the first line — hover still reveals the real multi-line value.
• Row copy no longer loses data: copying selected rows (⌘C) re-reads truncated long cells from the file in full instead of shipping the 300-character preview cut.
• Fixed a CSV quoting bug where values whose only line breaks were CRLF pairs could leak unquoted into the copied CSV.

Install

brew install inanalper/tap/kolon

v0.2.3.1

What's new

• Cell-level selection: a single click now highlights just the clicked cell (⌘C copies its raw value). Click the row-number column — or shift/⌘-select — for whole-row selection; ⌘C then copies rows as CSV.
• Snappier clicks: selection is applied and painted on mouse-down, and repaints are limited to the affected rows (matters on very wide files).

Install

brew install --cask inanalper/tap/kolon
xattr -dr com.apple.quarantine /Applications/Kolon.app

v0.2.3

What's new

• ⌘C copy in previews: copy the clicked cell's value as-is (long cells are copied in full, beyond the 300-char preview cut), or select multiple rows to copy them as CSV (RFC 4180 quoting, NULL as empty field).
• Fixes a crash where pressing ⌘C in a preview killed the Quick Look process via an infinite recursion inside QuickLookUI.

Install

brew install --cask inanalper/tap/kolon
xattr -dr com.apple.quarantine /Applications/Kolon.app

Kolon 0.2.2

What's new

• Host app window now shows the app icon and current version
• Closing the host app window quits the app instead of leaving it in the Dock

Install

brew install --cask inanalper/tap/kolon
xattr -dr com.apple.quarantine /Applications/Kolon.app   # until notarization lands

Kolon 0.2.1

What's new

• Full cell contents on hover — cells longer than the 300-character preview limit now show their full value (up to 4,000 characters) in a tooltip when you hover over them for a moment. The value is re-read from the file on demand and cached; sweeping the mouse across rows triggers no queries.
• Cells clipped only by column width get the native Finder-style expansion tooltip.

Install

brew install --cask inanalper/tap/kolon
xattr -dr com.apple.quarantine /Applications/Kolon.app   # until notarization lands

Kolon 0.2.0

What's new

• 3× smaller download — DuckDB is now a custom parquet-only build (unused extensions removed), and releases ship per-architecture zips: ~12 MB instead of ~40 MB. On-disk footprint drops from 107 MB to 36 MB.
• Much faster previews for wide files — table columns are now mounted progressively, so a 200-column preview paints as quickly as a narrow one.

Install

brew install inanalper/tap/kolon

Or download the zip for your architecture below and move Kolon.app to /Applications.

Kolon 0.1.0

First release: Quick Look previews for Apache Parquet files on macOS.

• Native table preview with schema, types, and file stats
• Powered by embedded DuckDB
• Install: brew install --cask inanalper/tap/kolon

Note: builds are not yet notarized — on first launch macOS may warn; right-click → Open, or allow it under System Settings → Privacy & Security.