I thought MacOS 15.4.1 was a minor update until it made my iMac better in 4 big ways

The article highlights the importance of updating Apple devices with the daily maintenance release of MacOS 15.4.1, noting that an update notification appeared on the iMac despite having already installed it earlier. Key improvements include critical security patches addressing vulnerabilities in CoreAudio and RPAC, enhanced performance with faster app launches and battery life, improved mail categorization, better connectivity stability, and upgraded ChatGPT integration via Siri. These subtle yet significant updates collectively enhance the user experience without major interface changes.