Mac
About
Subpages are dedicated space for capturing practical knowledge, shortcuts, and technical tips related to using and working efficiently with macOS.
Whether we are a developer, power user, or new to the Mac ecosystem, this section aims to provide concise, easy-to-follow notes that improve day-to-day productivity and solve common technical challenges.
MacOS Versions and Architectures
macOS Sonoma
14.x
2023
Apple Silicon (ARM), Intel
Latest as of 2025
macOS Ventura
13.x
2022
Apple Silicon, Intel
Improved Continuity features
macOS Monterey
12.x
2021
Apple Silicon, Intel
First full Apple Silicon support
macOS Big Sur
11.x
2020
Apple Silicon, Intel
Major redesign; Apple Silicon debut
macOS Catalina
10.15
2019
Intel only
Dropped support for 32-bit apps
macOS Mojave
10.14
2018
Intel only
Last to support 32-bit apps
macOS High Sierra
10.13
2017
Intel only
Metal 2 and APFS improvements
macOS Sierra
10.12
2016
Intel only
Introduced Siri on Mac
OS X El Capitan
10.11
2015
Intel only
Focused on stability
OS X Yosemite
10.10
2014
Intel only
Continuity features introduced
OS X Mavericks
10.9
2013
Intel only
First free macOS upgrade
OS X Mountain Lion
10.8
2012
Intel only
Gatekeeper introduced
OS X Lion
10.7
2011
Intel only
Mac App Store introduced
OS X Snow Leopard
10.6
2009
Intel (some PPC support early)
Transition from PowerPC to Intel
OS X Leopard
10.5
2007
PowerPC & Intel
Last to support PowerPC fully
OS X Tiger
10.4
2005
PowerPC (Intel support started late)
Spotlight introduced
Architectural Timeline Summary
PowerPC (PPC): Used up to early Intel transition (Tiger/Leopard era).
Intel (x86-64): Main architecture from 2006 to 2020.
Apple Silicon (ARM64): Introduced in 2020 with macOS Big Sur; now the primary architecture for all new Macs.
Last updated
Was this helpful?