The Foundation's Machine Learning team has announced [0] that users of ORES models should begin migrating their code to the newer Lift Wing system. They have prepared a page on Wikitech to help bot and tool maintainers understand what steps will be needed and where they can go to ask for help with the process [1].
[0]: https://lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/t... [1]: https://wikitech.wikimedia.org/wiki/ORES
Bryan