Bitbucket installer won't run on macOS 10.15+ (Catalina)

Issue Summary

The Bitbucket installer won't run on macOS 10.15+ (Catalina) as it is not notarized. The Gatekeeper software was updated in macOS 10.15 (Catalina) to prevent any software distributed with a Developer ID from being opened if it is not notarized.

Beginning in macOS 10.15, all software built after June 1, 2019, and distributed with Developer ID must be notarized.

Source: Notarizing macOS Software Before Distribution

Steps to Reproduce

1. Start installer from the Bitbucket installer DMG file

Expected Results

Installer is started.

Actual Results

"Installer can't be opened because Apple cannot check it for malicious software"

Workarounds

• Install using the tar.gz or zip OR
• Allow the installer to run
  1. Run the installer
  2. Once you see the error message, press "OK"
  3. Then open "System Preferences" -> "Security and Privacy"
  4. Click "Open Anyway" button in the "Allow apps downloaded from:" section