v6.81.0

OrdinaryDiffEq v6.81.0

Diff since v6.80.1

Merged pull requests:

• Switch RK methods to use an inf norm for eigen_est (#2204) (@oscardssmith)
• throw error for Rosenbrock23 on non-diagonal mass matrices (#2226) (@oscardssmith)
• fix Stepanov5 (#2230) (@oscardssmith)
• fix NonlinearSolveAlg to use new Nonlinear stats handling (#2231) (@oscardssmith)
• Allocate less in estimate_terk (#2232) (@chriselrod)
• Partial revert for ROW docs and fix of tableau docstrings (#2236) (@termi-official)
• Revert "Disable Default solver on windows" (#2237) (@ChrisRackauckas)

Closed issues:

• Performance drop in Julia 1.6 (#1422)
• The method Stepanov5 doesn't seem to work (#2188)
• autoswitch solvers can cause the stiff solver to fail (#2198)
• Rosenbrock23 fails for weird mass matrices (#2203)
• Add option to specify maximum number of consecutively rejected steps (#2229)
• Adaptivity fails for DAEs with non-continuous solution (#2238)