The partners of the NESTLER project convened for the 6th Plenary Meeting, held online on the 8th of July 2025, to discuss key project developments and ensure alignment across all work packages. This virtual meeting provided a valuable opportunity to exchange updates, assess progress, and coordinate the next steps towards the successful implementation of the NESTLER project. The consortium shared recent achievements, addressed ongoing challenges, and reaffirmed their commitment to delivering impactful results.