In macOS 10.13 (High Sierra), setting that preference in the GUI will not make it appear in the relevant.plist file. However, setting the preference with defaults write com.apple.screensaver askForPassword -bool TRUE. Jun 13, 2017 The High Sierra default background image is available at a maximum high resolution of 5120 x 2880 pixels, making it look fantastic as the desktop picture on a Mac, Windows PC, iPad, iPhone, Android, or whatever else you want to spruce up. It was tested successfully under Mavericks(10.9.5), High Sierra(10.13.6) and Mojave(10.14.5). Note: AnimatedGif is not working with Catalina(10.15) since screensavers are now sandboxed (this means no GIF files can be selected or read from local disk and also background mode is broken), see issue #57.
macOS 11 Big Sur Update Tips and Problems Fixes
The latest macOS 11 Big Sur is available for users to download now. Like previous versions, upgrading to Big Sur is not always smooth. You may encounter problems like Big Sur download gets stuck, apps won't open or crash often after the update, menu bar icons disappearing, etc. If you have any problem during or after Big Sur update, learn the fixes here:
For Mac users, macOS Sierra surely brought some innovation like Auto Unlock, Optimized Storage, Siri, Universal Clipboard and many more. But the macOS 10.12 upgrading problems are also inevitable. How about macOS High Sierra (10.13)? What you want to see on the latest operating system? The 'Hey Siri' voice activation, handoff for iTunes media, Mac App Store update, better split view management, auto unlock with iPhone not just Apple Watch, Apple Files System or something else? The final release solves all your doubts:
macOS High Sierra Keynotes:
1. Get a boost with new tech. Apple File System (APFS) that speeds up directory cloning with native encryption; HEVC/VR support; Metal 2 that allows apps to unleash the full power of the GPU.
2. Your favorite apps and features get improved. Updates to Safari which help block site trackers and autoplaying videos; let Siri be your personal DJ etc.
3. Edit iPhone's Live Photos in Photos. New photo-editing tools like Curves, for fine-tuning contrast, and Selective Color, for making adjustments to a specific color range., and it has better flitering tools to sort images by keywords and faces.
You must get inspired with the macOS High Sierra updates, on the other hand, the issues are also noteworthy. This list of High Sierra problems and fixes are shared in case of you update to the new OS, despite of the package download, installation or after installation stuck problems.
Matrix Screensaver Mac High Sierra Download
NoteMatrix Screensaver Mac High Sierra Os
: Some macOS High Sierra problems still exist in the latest macOS Big Sur. The tips also work for users who have problems with updating to macOS Big Sur, such as Big Sur installation failed, update frozen, slow performance after upgrade, etc.