Submission Date
2026-08-19
Status
Open
Area
Finder
Operating System Version
macOS 26.6.2
Type
Incorrect/Unexpected Behavior
Description
When attempting to set default file associations (e.g., .md files) to open with Xcode-beta.app via Finder's "Get Info" panel ("Change All..."), macOS fails to honor the selection. Double-clicking the file continues to open Xcode.app (Release) instead of Xcode-beta.app.
This causes significant developer disruption when projects or workspaces are already actively open in Xcode-beta.app, as macOS forces Xcode.app to launch and attempt to take over workspace state.
Steps to Reproduce:
Install both Xcode.app and Xcode-beta.app on macOS.
Right-click any .md file in Finder and select Get Info (Cmd + I).
Under Open with:, select Xcode-beta.app.
Click Change All... and confirm the dialog.
Double-click the .md file in Finder.
Expected Results:
The file opens in Xcode-beta.app.
Actual Results:
macOS ignores the user preference and launches Xcode.app (Release).
Impact:
Forces context-switching, workspace file locking conflicts, and accidental toolchain mismatches when working across release and beta environments.
Configuration:
macOS Version: 26.6.2 (25G83)
Xcode Release Version: 26.6
Xcode Beta Version: Version 27.0 beta 5 (27A5237l)
Keywords
functionality, launch services
Prerequisites
Submission Date
2026-08-19
Status
Open
Area
Finder
Operating System Version
macOS 26.6.2
Type
Incorrect/Unexpected Behavior
Description
When attempting to set default file associations (e.g., .md files) to open with Xcode-beta.app via Finder's "Get Info" panel ("Change All..."), macOS fails to honor the selection. Double-clicking the file continues to open Xcode.app (Release) instead of Xcode-beta.app.
This causes significant developer disruption when projects or workspaces are already actively open in Xcode-beta.app, as macOS forces Xcode.app to launch and attempt to take over workspace state.
Steps to Reproduce:
Install both Xcode.app and Xcode-beta.app on macOS.
Right-click any .md file in Finder and select Get Info (Cmd + I).
Under Open with:, select Xcode-beta.app.
Click Change All... and confirm the dialog.
Double-click the .md file in Finder.
Expected Results:
The file opens in Xcode-beta.app.
Actual Results:
macOS ignores the user preference and launches Xcode.app (Release).
Impact:
Forces context-switching, workspace file locking conflicts, and accidental toolchain mismatches when working across release and beta environments.
Configuration:
macOS Version: 26.6.2 (25G83)
Xcode Release Version: 26.6
Xcode Beta Version: Version 27.0 beta 5 (27A5237l)
Keywords
functionality, launch services
Prerequisites
FB<number>: <title>