https://macfix.org/performance/ performance — MacFix https://macfix.org/performance/mac-slow-after-macos-update/ https://macfix.org/performance/mac-slow-after-macos-update/ Mac slow after a macOS update is usually a temporary background job, not a fault. Confirm what's actually running, then know when to stop waiting. Tue, 08 Sep 2026 00:00:00 GMT https://macfix.org/performance/rosetta-2-slow-apps/ https://macfix.org/performance/rosetta-2-slow-apps/ Rosetta 2 costs real performance, but rarely enough to notice on ordinary apps. Confirm what's actually running translated before blaming Rosetta for slowness. Tue, 08 Sep 2026 00:00:00 GMT https://macfix.org/performance/windowserver-high-cpu/ https://macfix.org/performance/windowserver-high-cpu/ WindowServer high CPU on a Mac is almost always a display compositing problem — a scaled resolution or transparency effect, not a runaway process. Tue, 08 Sep 2026 00:00:00 GMT https://macfix.org/performance/kernel-task-high-cpu/ https://macfix.org/performance/kernel-task-high-cpu/ kernel_task pegging CPU on an Apple Silicon Mac is usually a thermal safety brake, not a bug. Confirm what's actually hot, then work through the fix in order. Mon, 07 Sep 2026 00:00:00 GMT https://macfix.org/performance/thermal-throttling/ https://macfix.org/performance/thermal-throttling/ Mac fan running loud and stuck at max speed almost always means the chip hit its thermal ceiling, not a hardware fault. Confirm it, then cut the heat. Mon, 07 Sep 2026 00:00:00 GMT