Apple has updated MacOS to version 10.13.4. It is available through the update section of the Mac App Store. According to release notes, the upgrade improves the stability, performance, and security of the Mac, and is recommended for all users. This update:
° Adds Support for Business Chat Conversations in US Messages
° Adds Support for External Graphics Processors (eGPUs).
° Fixes graphics correction problems that affect specific applications on iMac Pro.
° Allows hopping to the highest open tab using Command + 9 in Safari.
° Allows sorting of Safari bookmarks by name or URL by right-clicking and selecting "Sort by …"
° Fixes a problem that prevents preview of web link preview in messages.
° Helps protect privacy by simply filling in usernames and passwords after selecting them in a web form field in Safari.
° Displays warnings in the Safari Smart Search box when you interact with passwords or credit card forms on non-encrypted webpages.
° Displays privacy icons and links to explain how your data will be used and protected when Apple features ask you to use your personal information.