From M15 to M28, MASTERPIECE moved into a phase of consolidation and iterative validation, with progress advancing consistently across technical, strategic, and operational dimensions. Face-to-face plenary meetings were hosted at pilot locations in Italy, France, and Spain, reinforcing collaboration, aligning expectations, and enabling direct interaction with pilot stakeholders. WP2 reached its conclusion at M27, delivering key outcomes related to regulatory frameworks, behavioural drivers, EC maturity levels, and KPIs. These results directly informed the architecture and modular structure of the MASTERPIECE platform. WP3 and WP4 continued developing and testing the tools—such as COMPASS, Recomme, DR-FLEX, MEET, ECOOP, MAPS DEC and SIT tools—reaching beta versions through active cooperation with pilot managers. Tools were gradually refined, incorporating multilingual feedback and usability improvements. Integration with the central platform progressed, supported by robust identity and data access frameworks and enriched with pilot-specific datasets. WP5 oversaw the validation of use cases and KPIs, ensuring ongoing coordination between pilots and technical developers. After an initial testing phase with alpha tools, pilots began using improved beta versions in a second iteration. This continuous cycle of feedback and refinement helped optimise alignment with end-user needs. Complementary activities included DEMOs and Discovery & Validation workshops, which enabled tool feedback and co-creation with pilots. Dissemination and communication gained momentum through conference participation (ENLIT & SP24), BRIDGE engagement, and the creation of training and promotional materials. The groundwork was also laid for the upcoming exploitation plans , trainings and future public-facing deliverables that will help maximise impact and replication potential.