M365 Changelog: (Updated) Upgrade for the latest Microsoft Fluent Design System visual styling on Microsoft SharePoint

MC713894 – Updated February 21, 2024: Microsoft has updated the rollout timeline below. Thank you for your patience.

Microsoft is upgrading to the latest Fluent visual styling on the Microsoft SharePoint platform. You may notice minor changes, such as slight changes in padding or color on various user interface (UI) controls.

When this will happen: 

Targeted Release: Microsoft will begin rolling out late February 2024 (previously mid-February) and expects to complete by early April 2024 (previously late March). 

Worldwide: Microsoft will begin rolling out mid-April 2024 (previously early April) and expect to complete by mid-July 2024 (previously late June). 

How this will affect your organization: 

You may notice minor changes, such as slight changes in padding or color on various UI controls. 

What you need to do to prepare: 

There is no action needed to prepare for this change. You may want to notify your users about this change and update any relevant documentation as appropriate.