The eighth SPIDER Plenary Meeting took place from the 7th to the 8th September 2021. Due to COVID – 19 restrictions the meeting was held online. During the meeting, SPIDER consortium partners presented updates on their respective tasks as well as the planning for future work. Special emphasis was given to technical matters, regarding the consolidation of advancements into platform integration and validation pilots. Moreover, focus was also given to the upcoming dissemination and exploitation activities.