What causes "Reflect Open Blank Window on Mac"?

macOS 12 Monterey ships a WebKit older than Safari 16.4 Reflect Open requires macOS 13 or later

How do I fix "Reflect Open Blank Window on Mac"?

1. Update macOS: Open System Settings > General > Software Update Install macOS 13 Ventura or later if your Mac supports it Relaunch Reflect Open 2. Stay on Reflect Classic: If your Mac can't run macOS 13, keep using Reflect Classic or the web app at reflect.app Classic keeps getting bug fixes with no migration deadline

Reflect Open Blank Window on Mac

Workaround available Mac Updated October 21, 2026

Quick answer

Reflect Open shows a blank window on macOS 12 because older WebKit (before Safari 16.4) can't render the app. The App Store lists macOS 13 or later as a requirement. Update macOS, or keep using Reflect Classic on older Macs.

Most likely fix: Update macOS.

Symptoms

Reflect Open launches but the window stays white or empty.

Why it happens

macOS 12 Monterey ships a WebKit older than Safari 16.4
Reflect Open requires macOS 13 or later

How to fix it

Try these in order — the most common fix is first.

1. Update macOS
1. Open System Settings > General > Software Update
2. Install macOS 13 Ventura or later if your Mac supports it
3. Relaunch Reflect Open
2. Stay on Reflect Classic
1. If your Mac can't run macOS 13, keep using Reflect Classic or the web app at reflect.app
2. Classic keeps getting bug fixes with no migration deadline

This guide also covers

reflect open blank window
reflect open white screen mac
reflect open macos 12

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