Merge pull request #2053 from SciML/1.9 #2175

Job	Run time
test (InterfaceI, 1.9)	26m 10s
test (InterfaceI, 1)	25m 36s
test (InterfaceII, 1.9)	24m 42s
test (InterfaceII, 1)	28m 59s
test (InterfaceIII, 1.9)	22m 6s
test (InterfaceIII, 1)	20m 0s
test (Integrators_I, 1.9)	20m 12s
test (Integrators_I, 1)	15m 0s
test (AlgConvergence_I, 1.9)	18m 7s
test (AlgConvergence_I, 1)	33m 46s
test (AlgConvergence_II, 1.9)	32m 52s
test (AlgConvergence_II, 1)	28m 56s
test (AlgConvergence_III, 1.9)	21m 14s
test (AlgConvergence_III, 1)	27m 50s
test (Downstream, 1.9)	22m 0s
test (Downstream, 1)	24m 10s
test (ODEInterfaceRegression, 1.9)	15m 6s
test (ODEInterfaceRegression, 1)	14m 59s
test (Multithreading, 1.9)	11m 22s
test (Multithreading, 1)	18m 31s
	7h 31m 38s

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