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Google’s John Mueller explained that it’s impossible for Google to give advance notice about upcoming quality improvements or core updates to Google Search. He clarified, “Having quality changes prepared for a specific date or time is never guaranteed, and pre-announcing for a fixed date isn’t feasible.”
On Bluesky, Mueller mentioned, “We aim to launch quality enhancements as soon as they’re ready and have been evaluated.” He emphasized that setting a specific date for a core update isn’t as straightforward as scheduling a logo change, which tends to be much easier to plan for.
In his words:
“We try to launch quality improvements as soon as they’re ready & evaluated. Having quality changes prepared for a specific date or time is never guaranteed, and pre-announcing for a fixed date isn’t possible. Preparing a date for a logo change or similar is much easier.” — John Mueller, December 13, 2025.
Although Mueller made this clear, a different statement was made back on June 8, 2019, by Danny Sullivan, who was then the Google Search Liaison. Sullivan suggested that Google would attempt to pre-announce future core updates, although such announcements rarely materialized.
Additionally, Google often pre-announces many search features, and some embargoed statements are provided to top search marketers. However, activity around core and quality updates typically lacks advance notice. Sometimes, there’s a mention of an upcoming update, like the first helpful content update, but the exact release date remains uncertain until deployment. Google generally doesn’t inform the public beforehand about imminent core updates; they tend to roll them out once everything is ready, often without prior warning.
The reasons behind Google’s approach are unclear. It might be to ensure updates are launched as swiftly as possible, minimizing speculation and confusion.
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