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Case study

Siriously: recovering macOS Writing Tools entry points

Siriously investigates how macOS 27 changed access to Writing Tools and restores its popover through a Services client. The author used Objective-C runtime introspection and behavioral tracing to identify private WritingToolsUI classes, then passes selected text to the popover and writes accepted results back through Accessibility APIs. The findings concern one macOS build.

Targets
App · Binary
Category
Independent reconstruction cases
Relationship
Independent reconstruction project
Sources reviewed

Requirements & limits

  • Prerequisites: A Mac with Apple Intelligence and the new Siri enabled is required.
  • Prerequisites: Accessibility permission is required to read selections and write results back.
  • Scope: The author reports operation on macOS 27.0 build 26A5368g on arm64.
  • Limits: Private framework behavior can change with OS updates.
  • License: MIT license.

About this entry

The description was reviewed against primary sources.

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Primary sources

  1. FINDINGS.md GitHub · bo2themax/Siriously · Revision 01c29a7
  2. README.md GitHub · bo2themax/Siriously · Revision 01c29a7

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