Overview
- This weekend at Zandvoort McLaren will run rear‑focused updates — a new rear wing and revised rear brake ducts — intended to complete the package introduced in Hungary and be validated in a single practice session.
- Aston Martin will debut an upgraded Honda internal‑combustion engine that engineers expect to improve power delivery and driveability for the AMR26.
- Mercedes leads both championships by a wide margin but its technical chiefs say reducing reliability failures and operational errors is their top priority even as more upgrades remain in the pipeline.
- Red Bull implements a temporary driver swap with Liam Lawson standing in for the injured Isack Hadjar and Yuki Tsunoda moving into the Racing Bulls seat while Cadillac begins the weekend under new principal Marcin Budkowski after Graeme Lowdon’s abrupt exit.
- The sprint format and Zandvoort’s narrow, banked layout give qualifying outsized importance and make on‑track validation hard, a dynamic made more urgent by 2026 rules that have increased the speed and scale of development gains and point toward Monza as the next major test.