Release appearance
macOS 10.15.4 Public
Source-linked record
Public release
Recorded context
About this appearance
Source-linked record
At least one source is linked to this record. A researched release-notes article has not been added.
- Date
- Mar 24, 2020
- Availability
- available
- Revision
- No
Chronology evidence
Appearance sources
These sources support the recorded date, channel, or availability. A researched release-notes article has not been added.
- About the security content of macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra
Apple Support · 2026-08-17 · About the security content of macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra
- Apple security releases
Apple Support · Apple · 2026-07-27T00:00:00.000Z · macOS 10.15.4; released March 24, 2020