Hi Gyula, +1 for reverting the runtime config feature and proceeding immediately with a 1.16.1 patch release.
Thank you, Dennis On Thu, Sep 17, 2026 at 4:11 PM Gyula Fóra <[email protected]> wrote: > Hey all! > > After some more rigorous testing on real environments we have found > some critical issues with the runtime config observe feature > (https://issues.apache.org/jira/browse/FLINK-35746) that causes some > major problems in combination with application health checks. > Ultimately it causes deployment errors, redeploys healthy applications > with configs that fail subsequently in many cases, inconsistencies > during the observation etc. > > Turns out that we have overlooked some complexity in the > implementation and the more we look at it the more issues we find. > Given these problems I think the best course of action is to revert > this feature on both main and release-1.16. > > I would suggest proceeding immediately with a 1.16.1 patch release to > resolve this issue. I am going to prepare the RC ASAP, only including > the revert and 1-2 select more critical fixes that landed on main in > the meantime. > > Cheers > Gyula >
