Without financial support, the COIN-OR foundation is struggling to maintain widely used COIN-OR projects, such as Cbc, Clp and Ipopt. Read the full announcement at https://www.coin-or.org/2021/12/15/future-of-coin-or/ , and participate in the discussion at https://github.com/coin-or/COIN-OR-OptimizationSuite/discussions/18 .Email sponsors@coin-or.org to become a foundation sponsor, or sponsor us on Github.