Rosetta Check Blog

Guides for the Apple silicon transition.

Practical, data-driven guides on the Rosetta 2 transition, macOS 27, and preparing your Mac or fleet for the macOS 28 cutoff.

Latest post

Anatomy of the Intel Long Tail: What 4,600 Apple Silicon Macs Still Run Through Rosetta

A deep data dive into the Rosetta Check community catalogue: 20,900 distinct Intel binaries across 4,600 Apple silicon Macs, why thousands still run Intel copies of apps that already shipped native (including Office), why audio plug-ins dominate the embedded component long tail, why printer drivers win on installs, and where the real macOS 28 migration risk actually hides.

App Directory 13 min read
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Guides 12 min read

Find Intel Plug-Ins, Drivers, and Extensions on Your Mac (Beyond the App List)

Audio Units, VST, AAX, FxPlug, OFX, Photoshop plug-ins, Spotlight importers, virtual cameras, launch agents and embedded helpers all carry their own architecture. Here's how to find every Intel binary on your Mac with Rosetta Check 2.0 (TestFlight).

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Guides 6 min read

Why Is My Mac Showing a Rosetta Warning? (macOS 26.4 Explained)

macOS 26.4 added a popup that appears every time you open an Intel-based app. Here's what triggers it, why Apple added it, and how to handle it.

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Guides 7 min read

What Happens to Your Intel Apps in macOS 28

macOS 28 ships in late 2027 and is the end of the road for general Rosetta 2 support. Here's what will and won't keep working, and what to do now.

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Guides 6 min read

How to Prepare Your Mac for macOS 27

macOS 27 ships in autumn 2026. Whether you're on Apple silicon or Intel hardware, here's what to check before you upgrade and how to plan for macOS 28.

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App Directory 10 min read

Intel Mac Apps That Still Don't Have Apple Silicon Versions in 2026

Real data from 2,794 contributing Macs in the Rosetta Check community database on the most commonly reported Intel-only Mac apps in 2026, from printer drivers and Google Earth Pro to legacy Amazon components and the Pro Tools and Logic plug-in tail.

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IT Administrators 6 min read

How to Audit Your Mac Fleet for Rosetta Dependency Before macOS 27

A practical guide for IT admins managing Mac fleets via Intune, Jamf, or Kandji. Deploy Rosetta Check silently, collect Intel app inventory, and build your migration plan.

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More guides coming as WWDC 2026 approaches.