![]() Once you have done that, quit all open apps and at least log out as the user. Set the Pointer size there to Normal, and click on the Reset button to undo any colour customisation. The workaround is simple: open the Accessibility pane, select Display at the left, then the Pointer tab. However, every app with an interface in which the pointer can change type will leak until this bug is fixed in Monterey. Apps which feature many and frequent changes in pointer type, such as browsers, therefore leak memory more quickly than those that change the pointer type less often. What is most likely is that, when the pointer has been customised using the settings in that pane, the memory used by the previous pointer isn’t freed following a change in pointer type. The leak appears to occur when the pointer type changes, for example from a standard arrow to an I-beam for the insertion of text. (Note that this interface device is termed a pointer, not a cursor, a common error.) The latter two items are one of the new features in Monterey, and have proved popular with users. All Macs which appear to suffer this leak are using custom pointer controls in the Pointer tab of the Display, specifically a larger than normal Pointer size and custom outline and fill colours. The cause has now been isolated to a single group of settings in one preference pane, Accessibility. Neither was there any evidence of kernel or Mach zone memory leaks. What was perhaps most surprising was that some users were severely affected, but most users weren’t affected at all and could use the same apps for days without any significant change occurring in their memory use. At first this appeared confined to certain apps, including Firefox, Microsoft Word, and even Safari. Soon after the release of macOS 12.0.1, reports appeared that some apps, notably Firefox, could suffer large and progressive memory leaks until they took 70 GB or more of app memory, and the Mac simply ran out. This article explains how it occurs, and how you can prevent it from happening on your Mac. Thanks to the work of the engineers at Mozilla, its cause has now been identified, and I’m very grateful to fujimidai1 who has pointed this out to me. You can see the evidence for this by opening Activity Monitor and clicking on the Memory tab.You will no doubt have heard of the claimed memory leak in macOS Monterey 12.0.1. Leaving thirsty web apps like Google Drive, Facebook, and Gmail open is also a bad idea. Having 100 tabs open at once is going to slow down your Mac. Your browsing habits can also slow down your system. Extensions make your browser use extra CPU and memory while browsing, and much of the time, the performance penalty isn’t worth it for the small amount of functionality they provide. Whether you use Safari, Chrome, Firefox, or something else, consider removing any non-essential browser extensions to speed things up. RELATED: Mac Users Should Ditch Google Chrome for Safari Limit Browser Extensions and Tabs You’ll get longer battery life on a MacBook and snappier performance on most machines compared to Chrome or Firefox, both of which are notorious memory hogs. Safari is one of the best choices for Mac users since it is highly optimized for Apple hardware. Your choice of browser can have a big impact on your machine’s performance. ![]() ![]() Be aware that many of the items in this list are system processes you won’t want to quit. Select an app and click on the “X” in the top-left corner to quit the process. The higher the app appears in the list, the more CPU it is using. To find an app that is stressing your processor, click the CPU tab and then arrange the “% CPU” column in descending order. You can launch this tool via Spotlight (Command+Spacebar, then search for it) or find it in the Applications > Utilities folder. If your Mac suddenly becomes unresponsive, slows down, or its fans spin up, you might want to find the offending software using Activity Monitor. RELATED: Why Do Mac Apps Stay Open When I Hit The Red X Button? Identify and Remove Resource Hogs with Activity Monitor If the app has crashed or appears unresponsive, right-click its icon and hold Option, then click on Force Quit. Apps like Steam often run by default in the background, sapping resources. Get into the habit of closing thirsty apps like Photoshop or Excel when you aren’t using them. ![]()
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