Make it a breaking change: autodiff args have different semantics

Author: avik-pal

Project.toml

@@ -1,7 +1,7 @@
 name = "NonlinearSolve"
 uuid = "8913a72c-1f9b-4ce2-8d82-65094dcecaec"
 authors = ["SciML"]
-version = "1.11.0"
+version = "2.0.0"
 
 [deps]
 ADTypes = "47edcb42-4c32-4615-8424-f2b9edc5f35b"

src/jacobian.jl

@@ -6,8 +6,6 @@ end
 (uf::JacobianWrapper)(u) = uf.f(u, uf.p)
 (uf::JacobianWrapper)(res, u) = uf.f(res, u, uf.p)
 
-# FIXME: This is a deviation from older versions. Previously if sparsity and colorvec were
-#        provided we would use a sparse AD. Right now it requires an explicit specification
 sparsity_detection_alg(f, ad) = NoSparsityDetection()
 function sparsity_detection_alg(f, ad::AbstractSparseADType)
     if f.sparsity === nothing