Release of the launch clamps after ignition counts as a launch.
/enaz/will-blue-origins-new-glenn-rocket
/Mqrius/will-blue-origins-new-glenn-launch-32ffc3496c5c
/Mqrius/will-blue-origins-new-glenn-launch-702b94d1bd30
/Mqrius/will-blue-origins-new-glenn-launch
See also:
/Mqrius/will-ulas-vulcan-launch-before-2024
/Mqrius/will-spacexs-hls-uncrewed-demo-laun
Artemis 2 timeline: /Mqrius/will-artemis-ii-launch-before-2026
Artemis 3 timeline: /Mqrius/will-a-human-walk-on-the-moon-again
Related questions
https://www.blueorigin.com/news/blue-origin-debuts-new-glenn-on-our-launch-pad
New Glenn is stacked and on the pad!
(Without engines)
(And not flight hardware)
https://spacenews.com/nasa-mars-smallsat-mission-to-be-on-first-new-glenn-launch
More than likely this delays beyond 2024