WordPress 4.9.8 is available for download and is a maintenance release. Headlining this version is the “Try Gutenberg” callout. Note that not everyone will see the callout. Its visibility is determined based on certain criteria.
WordPress 4.9.8 continues to improve the foundation set forth by the privacy improvements that went into core earlier this year. For example, the type of request that is being confirmed is now included in the subject line for privacy confirmation emails.
In total, this release has 46 bug fixes from more than 50 contributors. It was lead by Paul Biron and Joshua Wold. Since 4.9.8 is a maintenance release, sites that are able will update automatically. To see a full list of changes, check out the detailed changelog.