Apple has today released iOS 11.2.2 and macOS 10.13.2 Supplemental Update, bringing a software fix for the 'Spectre' vulnerability reported last week.
According to Mac Rumors, both iOS 11.2.2 and macOS 10.13.2 Supplemental Update contain software fixes for the 'Spectre' vulnerability.
As iOS 11.2.2 and macOS 10.13.2 Supplemental Update appear to be primarily security updates, it is unlikely that today's releases contain any accessibility changes for blind and low vision users; however, if you do spot any changes, please do let us know by posting a comment below.
iOS 11.2.2 is available via Over-the-Air Update (Settings > General > Software Update) or via iTunes on a Mac or PC.
macOS 10.13.2 Supplemental Update is available via the updates tab in the Mac App Store.