v6.87.0

OrdinaryDiffEq v6.87.0

Diff since v6.86.0

Merged pull requests:

• Implement 7th order RadauIIA method (#2273) (@Shreyas-Ekanathan)
• Added SDIRK Solvers (#2285) (@ParamThakkar123)
• fix `is_constant_cache(::DefaultCache) (#2288) (@oscardssmith)
• Remove Rodas interpolation error allocation (#2290) (@ChrisRackauckas)
• fix out of place WOperator (#2291) (@oscardssmith)
• don't broadcast the left side for out of place (#2293) (@oscardssmith)

Closed issues:

• Default algorithm with StaticArray state and a ContinuousCallback errors out. (#2287)

v6.86.0

OrdinaryDiffEq v6.86.0

Diff since v6.85.0

Merged pull requests:

• added method ROK4a (#2260) (@cwittens)
• Added SSPRK methods (#2264) (@ParamThakkar123)
• Added Feagin Package (#2267) (@ParamThakkar123)
• Added OrdinaryDiffEqSymplecticRK (#2268) (@ParamThakkar123)
• Don't use prev_theta for non-adaptive solves (#2269) (@oscardssmith)
• don't define trivial_limiter! in sub-packages (#2270) (@oscardssmith)
• remove array specialization (#2271) (@oscardssmith)
• Added RKN methods (#2272) (@ParamThakkar123)
• Added Verner Methods (#2274) (@ParamThakkar123)
• fix default algorithm interpolation (#2275) (@oscardssmith)
• Allow any chunksize for CompiledFloats (#2276) (@ChrisRackauckas)
• typo fix (#2280) (@oscardssmith)
• add PositiveIntegrators.jl to downstream tests (#2281) (@ranocha)

Closed issues:

• Memory leak in solving ODE many times (#1946)
• UndefRefError: cache.cache5 doesn't exist? (#2279)

v6.85.0

OrdinaryDiffEq v6.85.0

Diff since v6.84.0

Merged pull requests:

• fix out of place linsolve=KrylovJL* (#2252) (@oscardssmith)
• Added Separate package for RKC (#2253) (@ParamThakkar123)
• Added Low Storage RK methods (#2256) (@ParamThakkar123)
• Fix unescaped name argument in cache macro. (#2257) (@evetion)
• Update utility_tests.jl (#2258) (@ChrisRackauckas)
• don't copy the cache macro in RKC (#2259) (@ChrisRackauckas)
• Generalize some controller properties to use new traits for refactor (#2261) (@ChrisRackauckas)
• fix eigen_est for in place explicit solvers with Complex u0 (#2262) (@oscardssmith)
• CompatHelper: add new compat entry for Static at version 1, (keep existing compat) (#2263) (@github-actions[bot])

Closed issues:

• @cache macro generates code with OrdinaryDiffEq namespace (#2158)
• Out of place linsolve=KrylovJL_GMRES is broken (#2197)

v6.84.0

OrdinaryDiffEq v6.84.0

Diff since v6.83.2

v6.83.2

OrdinaryDiffEq v6.83.2

Diff since v6.83.1

Merged pull requests:

• Optimistic first time convergence criterion (without messing with DelayDiffEq) (#2233) (@oscardssmith)
• Fix QNDF alg_events test (#2249) (@oscardssmith)
• fix get_tmp_cache for Default solver (and some other default solver DAE fixes) (#2251) (@oscardssmith)

Closed issues:

• Model Regression from v6.74.1 to v6.83.1 (#2250)

v6.83.1

OrdinaryDiffEq v6.83.1

Diff since v6.83.0

Merged pull requests:

• fix nfc typo (#2248) (@oscardssmith)

v6.83.0

OrdinaryDiffEq v6.83.0

Diff since v6.82.0

Merged pull requests:

• work around FastBroadcast bugfix (#2243) (@oscardssmith)
• fix Rodas5P dense output for non Array inplace (#2244) (@oscardssmith)
• fix default solver interpolation (#2245) (@oscardssmith)
• fix typos (#2246) (@spaette)

Closed issues:

• ERROR: UndefVarError: a71 not defined when using Rodas5P with ContinuousCallback (#2242)

v6.82.0

OrdinaryDiffEq v6.82.0

Diff since v6.81.1

Merged pull requests:

• Move extrapolation methods to an add-on library (#2240) (@ChrisRackauckas)
• Fix case of nothing initiailizeprob with non-stiff default alg (#2241) (@ChrisRackauckas)

Closed issues:

• Interpolation with DynamicalODEProblem is broken (#2182)

v6.81.1

OrdinaryDiffEq v6.81.1

Diff since v6.81.0

Merged pull requests:

• Fix order of CompositeAlgorithm (#2239) (@ChrisRackauckas)

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)