Apple Seeds Fifth Beta of Upcoming macOS Catalina 10.15.5 Update to Developers

Apple today seeded the fifth beta of an upcoming macOS Catalina 10.15.5 update to developers for testing purposes, two weeks after seeding the fourth beta and over a month after releasing ‌macOS Catalina‌ 10.15.4 with Screen Time Communication Limits, iCloud Folder Sharing, and real-time Apple Music lyrics.


The new ‌macOS Catalina‌ beta can be downloaded from the Software Update mechanism in System Preferences after installing the proper software from the Developer Center.

‌macOS Catalina‌ 10.15.5 introduces a new Battery Health Management feature for Mac notebooks, which is designed to extend the overall lifespan of a Mac’s battery by reducing the rate of chemical aging.

The Battery Health Management feature analyzes the battery health of a laptop and its charging pattern, and in some cases, will preserve battery longevity and health by not charging a MacBook to its full capacity, which can reduce battery life.

When a Mac is used plugged in and the battery is largely kept full, Battery Health Management will kick in and will stop short of a full charge. The feature can be enabled and disabled in the Energy Saver section of the System Preferences app.

The ‌macOS Catalina‌ 10.15.5 update also addresses an issue that caused large data transfers to RAID volumes to freeze up the Finder app. With the update, large data transfers will no longer cause Finder to become unresponsive.

After installing ‌macOS Catalina‌ 10.15.4, some Mac users began experiencing occasional system crashes, primarily caused by large file transfers. The new update should successfully fix the problem.

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Apple Seeds Fourth Beta of Upcoming macOS Catalina 10.15.5 Update to Developers

Apple today seeded the fourth beta of an upcoming macOS Catalina 10.15.5 update to developers for testing purposes, one week after seeding the third beta and over a month after releasing ‌macOS Catalina‌ 10.15.4 with Screen Time Communication Limits, iCloud Folder Sharing, and real-time Apple Music lyrics.


The new ‌macOS Catalina‌ beta can be downloaded from the Software Update mechanism in System Preferences after installing the proper software from the Developer Center.

‌macOS Catalina‌ 10.15.5 introduces a new Battery Health Management feature for Mac notebooks, which is designed to extend the overall lifespan of a Mac’s battery by reducing the rate of chemical aging.

The Battery Health Management feature analyzes the battery health of a laptop and its charging pattern, and in some cases, will preserve battery longevity and health by not charging a MacBook to its full capacity, which can reduce battery life.

When a Mac is used plugged in and the battery is largely kept full, Battery Health Management will kick in and will stop short of a full charge. The feature can be enabled and disabled in the Energy Saver section of the System Preferences app.

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Apple Watch ECG Helps Detect Case of Coronary Ischemia Missed by Hospital ECG

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Apple Seeds Third Beta of Upcoming macOS Catalina 10.15.5 Update to Developers

Apple today seeded the third beta of an upcoming macOS Catalina 10.15.5 update to developers for testing purposes, two weeks after seeding the second beta and over a month after releasing macOS Catalina 10.15.4 with Screen Time Communication Limits, iCloud Folder Sharing, and real-time Apple Music lyrics.



The new ‌macOS Catalina‌ beta can be downloaded from the Software Update mechanism in System Preferences after installing the proper software from the Developer Center.

‌macOS Catalina‌ 10.15.5 introduces a new Battery Health Management feature for Mac notebooks, which is designed to extend the overall lifespan of a Mac’s battery by reducing the rate of chemical aging.

The Battery Health Management feature analyzes the battery health of a laptop and its charging pattern, and in some cases, will preserve battery longevity and health by not charging a MacBook to its full capacity, which can reduce battery life.

When a Mac is used plugged in and the battery is largely kept full, Battery Health Management will kick in and will stop short of a full charge. The feature can be enabled and disabled in the Energy Saver section of the System Preferences app.

Related Roundup: macOS Catalina

This article, “Apple Seeds Third Beta of Upcoming macOS Catalina 10.15.5 Update to Developers” first appeared on MacRumors.com

Discuss this article in our forums


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How to Turn Off Battery Health Management in macOS Catalina 10.15.5

Apple in the second macOS Catalina 10.15.5 beta added a new Battery Health Management feature for Macs, which is designed to prolong the battery life and battery health of modern Mac notebooks (aka those with Thunderbolt 3 ports) by reducing the rate of chemical aging.


Battery Health Management is an intelligent feature that analyzes the battery status of a Mac notebook and its charging pattern, and based on this information, it may preserve battery health by not charging a MacBook to full capacity.

Charging a MacBook to 100 percent and then letting it sit plugged in without draining the battery through use can lead to reduced battery life, which is what Apple is aiming to avoid. Macs that are often used plugged in and with the battery full may have the Battery Management feature kick in to stop charging short of a full charge.

Battery Health Management is entirely opt-in and can be disabled for those who do not want to use the feature. Protecting battery health will be useful for most Mac users, but there may be some situations where Battery Health Management is not ideal, such as if you’re about to leave the house and need maximum battery life, so it’s worth knowing how to turn it off and on.

All Battery Health Management controls can be found in the Energy Saver section of System Preferences, as outlined below.

  1. Open the System Preferences app.
  2. Choose the Energy Saver section, which is denoted by a light bulb.
  3. Select the Battery Health section.
  4. Click the box next to Battery Health Management to deselect it.
  5. Click Turn Off to confirm.

When upgrading to ‌macOS Catalina‌ 10.15.5, Battery Health Management will be enabled by default and will need to be manually turned off by those who don’t want to use it.

‌macOS Catalina‌ 10.15.5 is limited to developers at the current time, but will see a public release in the not too distant feature, bringing Battery Health Management to all users with a 2016 or later MacBook Pro and 2018 or later MacBook Air.

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macOS Catalina 10.15.5 Beta Includes Battery Health Management Feature for Macs

With macOS Catalina 10.15.5, Apple is bringing Battery Health Management features to the Mac for the first time, introducing the functionality on Macs that have Thunderbolt 3 ports.


Apple has shared details on Battery Health Management with sites like Six Colors, TechCrunch, and The Verge, giving us a look at what to expect when ‌macOS Catalina‌ 10.15.5 launches to the public.

Battery Health Management is designed to extend the overall lifespan of a Mac notebook by reducing the rate of chemical aging. The feature will analyze the battery health of the laptop and its charging pattern, and in some cases, will preserve battery health by not charging a MacBook to full capacity as this can reduce battery life.

When a Mac is used plugged in and the battery is kept full for the most part, the Battery Health Management feature will kick in and it will stop short of a full charge.

Apple has been using Battery Health Management features in its iPhones for years now, and when the functionality was initially introduced, it caused an uproar as Apple was not clear about its implementation.

In iPhones, the battery management features reduce processor speed at times of peak usage to prevent an iPhone with reduced battery capacity from shutting down. The Mac feature works differently, and will instead limit charging to full in some cases.

Battery Health Management can be disabled by checking the new Battery Health Management option in the Energy Saver section of the System Preferences app once ‌macOS Catalina‌ 10.15.5 has been installed.

The Battery Health Management feature is new in the second ‌macOS Catalina‌ 10.15.5 beta and is limited to developers at the current time. It will be available to all users when ‌macOS Catalina‌ 10.15.5 is released.

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Apple Seeds Second Beta of Upcoming macOS Catalina 10.15.5 Update to Developers

iPhone 8 and iPhone 8 Plus Discontinued

Apple today stopped selling the iPhone 8 and iPhone 8 Plus after announcing the second-generation iPhone SE.
The second-generation iPhone SE is essentially an upgraded iPhone 8, with a 4.7-inch display and Touch ID home button, but with a faster A13 Bionic chip. As of now, there is no Plus-sized version of the new iPhone SE, so there is no direct replacement for the 5.5-inch iPhone 8 Plus,…

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Apple Releases macOS Catalina 10.15.4 Supplemental Update With FaceTime Bug Fix

Apple today released a supplemental update to macOS Catalina 10.15.4, two weeks after releasing the macOS Catalina 10.15.4 update with Screen Time Communication Limits and Real-Time Apple Music lyrics.


The ‌macOS Catalina‌ 10.15.4 Supplemental Update can be downloaded from the Mac App Store for free using the Update feature in the System Preferences app.

The new software introduces a fix that caused Mac computers running ‌macOS Catalina‌ 10.15.4 to be unable to participate in FaceTime calls with devices running iOS 9.3.6 and earlier or OS X El Capital 10.11.6 and earlier.

Apple says it also addresses an issue with Office 365 accounts, fixes a bug that could cause a USB-C port to become unresponsive, and addresses a problem that caused the 2020 MacBook Air to hang during Setup Assistant or when connecting or disconnecting a 4K or 5K display. Full release notes for the update are below:

‌macOS Catalina‌ 10.15.4 supplemental update improves the stability and security of your Mac.

– Fixes an issue where Mac computers running ‌macOS Catalina‌ 10.15.4 could not participate in ‌FaceTime‌ calls with devices running iOS 9.3.6 and earlier or OS X El Capitan 10.11.6 and earlier
– Resolves an issue where you may repeatedly receive a password prompt for an Office 365 account
– Fixes an issue where ‌MacBook Air‌ (Retina, 13-inch, 2020) may hang in Setup Assistant or when disconnecting and reconnecting a 4K or 5K external display
– Resolves an issue where a USB-C port in your Mac may become unresponsive

‌macOS Catalina‌ 10.15.4 could be one of the last updates to the ‌macOS Catalina‌ operating system as Apple transitions to working on macOS 10.16, which is unnamed as of yet.

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Some Users Experiencing System Crashes on macOS 10.15.4, Especially During Large File Transfers

A sizeable number of Mac users are experiencing occasional system crashes after updating to macOS Catalina version 10.15.4, released a few weeks ago.


The crashing issue appears to be most prominent when users attempt to make large file transfers. In a forum post, SoftRAID described the issue as a bug and said that it is working with Apple engineers on a fix for macOS 10.15.5, or a workaround.

SoftRAID said the issue extends to Apple-formatted disks:

There is a serious issue with 10.15.4.

It shows up in different scenarios, even on Apple disks but is more likely when there are lots of IO threads. We think it is a threading issue. So while SoftRAID volumes are hit the hardest (its now hard to copy more than 30GB of data at a time), all systems are impacted by this.

In our bug report to Apple, we used a method to reproduce the problem with ONLY Apple formatted disks. Takes longer to reproduce, but that is more likely to get a faster fix to the user base.

Other users on macOS 10.15.4 have experienced crashes after waking their Mac from sleep, with affected systems suffering a kernel panic and rebooting to the Apple logo, according to comments shared on the Apple Support Communities, MacRumors Forums, Reddit, and Twitter.

We’ve reached out to Apple for comment and we will provide an update if we hear back.


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iOS 13.4 and macOS 10.15.4 Prevent FaceTime Calls From Working With Some Older iPhones and iPads Amid Pandemic

Newer devices running Apple’s recently released iOS 13.4 and macOS 10.15.4 software updates are currently unable to make FaceTime audio and video calls with older devices running iOS 9.3.5 or iOS 9.3.6, according to numerous users across the Apple Support Communities, MacRumors Forums, Reddit, and Twitter.


Apple normally recommends that users who cannot make or receive FaceTime calls update their devices to the latest software version, but iOS 9.3.5 or iOS 9.3.6 are the last supported software versions for several older devices, including the iPad 2, third-generation iPad, iPhone 4S, the first-generation iPad mini, and the fifth-generation iPod touch.

Devices running iOS 13.3.1 or macOS 10.15.3 can still make FaceTime calls with older devices, so it is unclear if this is a bug introduced with iOS 13.4 and macOS Catalina 10.15.4 or if this was an intentional decision. Apple did not immediately respond to our request for comment, but we will update this story if we hear back.

In any case, the timing of this is unfortunate due to the ongoing pandemic. Many affected users have mentioned being unable to reach their grandparents who still use an older iPad, for example, during a time when social distancing is strongly recommended. Hopefully it proves to be a simple bug that is resolved in short order.


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Apple Seeds First Beta of Upcoming macOS Catalina 10.15.5 Update to Developers

Apple today seeded the first beta of an upcoming macOS Catalina 10.15.5 update to developers for testing purposes, one week after releasing macOS Catalina 10.15.4 with Screen Time Communication Limits, iCloud Folder Sharing, and real-time Apple Music lyrics.



The new ‌‌‌macOS Catalina‌‌‌ beta can be downloaded using the Software Update mechanism in System Preferences after installing the proper software from the Developer Center.

We don’t know what improvements the fifth update to ‌‌‌macOS Catalina‌‌‌ will bring, but it likely includes performance improvements, security updates, and fixes for bugs that weren’t able to be addressed in the ‌macOS Catalina‌ 10.15.4 update.

Related Roundup: macOS Catalina

This article, “Apple Seeds First Beta of Upcoming macOS Catalina 10.15.5 Update to Developers” first appeared on MacRumors.com

Discuss this article in our forums


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