During the last years, ESO has undertaken the re-definition of all its front-end interfaces, from the preparation and submission of observing proposals up to their final scientific review by the ESO Observing Programmes Committee (OPC). Because of its overall complexity, ESO decided to go for a staged approach, which on one hand allowed us to offer the new proposals interface as soon as it was available, but on the other hand it has been challenging us in the operational handling of two simultaneous systems, the old and the new one. In 2019, we successfully deployed the new, web-based, Phase1 user interface for proposals preparation and submission (p1ui) and in 2021 we were able to offer for the first time a web-based, proposals grading system, that supported the proposals review and Expert Panel discussions, albeit online due to the COVID19 pandemic. In this presentation, we describe the overall project, focusing on the successful deployments of the new Phase 1 User Interface (for proposals submission), of the Proposal Evaluation Interface (for the proposals review process) and their subsequent improvements, made possible by closing the loop very effectively with our users’ community. We will then conclude by presenting ESO future plans in the Phase1 area, including new proposal submission channels and new review schemes.
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