![](https://ryuichi0801.com/wp-content/uploads/2020/07/macOS10-15-6-500x281.jpg)
macOS
![](https://ryuichi0801.com/wp-content/uploads/2020/07/macOS10-15-6-500x281.jpg)
![](https://ryuichi0801.com/wp-content/uploads/2020/05/macOS10-15-5-500x281.jpg)
macOS Catalina 10.15.5を正式リリース
![](https://ryuichi0801.com/wp-content/uploads/2020/01/macOS10-15-3-500x281.jpg)
macOS10.15.3正式リリース 16インチMacBook Proの動画編集時におけるパフォーマンスを改善
![](https://ryuichi0801.com/wp-content/uploads/2019/09/Apple-previews-macOS-Catalina-screen-eyecatch-500x281.jpg)
Apple 開発者向けにmacOS Catalina 10.15.3 Beta3 (19D75a)を公開
![](https://ryuichi0801.com/wp-content/uploads/2020/01/16-inch-MacBook-Pro-Top-Features-heaven-benchmark-500x281.jpg)
macOSにて一時的にMacBookの性能を引き上げる「プロ・モード」が発見される
![](https://ryuichi0801.com/wp-content/uploads/2019/12/macOS15-10-2-500x281.jpg)
macOS10.15.2が正式リリース ミュージックや写真アプリの不具合が改善
![](https://ryuichi0801.com/wp-content/uploads/2019/10/maoOS-caralina10-15-1-500x281.jpg)
macOS10.15.1 配信開始 数々のバグ修正とAirPods Ptoへの対応
![](https://ryuichi0801.com/wp-content/uploads/2019/06/WWDC-2019-01.jpg)