Chrome 66 (and a Delayed Chrome 65 Update)

• Chrome 66 - What's New in DevTools

And the same again in text form:

• What's New In DevTools (Chrome 66)  |  Web  |  Google Developers

Chrome 65

• New in Chrome 65: CSS Paint API, Server Timing API, and CSS display: contents
• Chrome 65 - What's New in DevTools

Or, if you prefer words:

• New in Chrome 65  |  Web  |  Google Developers
• What's New In DevTools (Chrome 65)  |  Web  |  Google Developers