Two years ago, we collectively acknowledged that we were facing a demanding and somewhat paradoxical challenge: engaging a significant amount of time and resources to move away from a problematic technology, eventlet, without the promise of immediate functional gains. At that time, this effort could easily have been perceived as a necessary but uncomfortable burden — work that does not ship new features, does not directly address new user requests, and yet requires deep focus, coordination, and perseverance. We deliberately chose not to ignore the problem, not to postpone it, and not to settle for half-measures. Today, as we are reaching the end of 2025, we can clearly state that this choice was the right one. This year has been particularly intense, productive, and revealing of what a committed open source community can achieve when it aligns behind a long-term objective. The migration effort has reached a decisive milestone: more than 61% of the impacted OpenStack deliverables have now shown significant progress. Twenty deliverables are fully migrated, while forty others are actively undergoing migration. More than 424 Gerrit patches proposed this year alone directly contribute to this collective effort. Beyond the numbers, 2025 has delivered concrete, structural results. Several major projects — including Ironic, Heat, Barbican, Mistral, and others — are now fully migrated. Eventlet itself has evolved, gaining support for recent Python versions (3.12, 3.13, 3.14), ensuring compatibility with modern OpenStack runtimes during the transition phase. Oslo.service introduced a new threading backend, offering a fully threading-based execution model. Cotyledon is actively progressing toward supporting new spawning methods. Neutron is now just one step away from completing its migration, Nova can run specific services in threading mode, and teams such as Cinder, Designate, Watcher, Cyborg, and many others have shown sustained and visible momentum. What we are witnessing is more than a migration. It is a collective act of responsibility. Just like the Python 2 to Python 3 transition, this effort is about securing the future, reducing systemic risk, simplifying maintenance, and restoring long-term innovation capacity. It is about choosing durability over comfort, clarity over accumulation, and sustainability over short-term convenience. The foundations we are laying today are already making OpenStack more robust, more predictable, and better prepared for what comes next. As we close this year, I want to express my sincere respect and gratitude to everyone involved. Maintainers, contributors, reviewers, operators, companies — your engagement, patience, and persistence have made this progress possible. The level of coordination and trust demonstrated throughout 2025 is a strong signal, not only for our community, but for the entire industry that relies on OpenStack. On behalf of this community initiative, thank you for your commitment throughout this year. You have proven, once again, that necessary work — even when it does not immediately shine — is often the work that matters the most. I wish you all restful holidays and precious time with your loved ones. -- Hervé Beraud Principal Software Engineer at Red Hat irc: hberaud https://github.com/4383/