These are the changes to the Start menu in the Windows 10 May 2019 Update

[Windows Central]

The Start menu may still look the same, but the May 2019 Update introduces a number of changes to the experience. Here's what's new.
Alongside many new changes and features, the Windows 10 May 2019 Update (version 1903) adds a few subtle but welcome improvements to the Start menu to make the experience more consistent and useful.
For example, beginning with the first semi-annual feature update, the Start menu becomes a separate app, gets proper light-mode support and receives several visual tweaks.
Related: Windows 10 May 2019 Update review

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