Merge branch 'master' into myb/strong_alias

Author: YingboMa

src/ModelingToolkit.jl

@@ -41,6 +41,7 @@ import SymbolicUtils.Rewriters: Chain, Postwalk, Prewalk, Fixpoint
 import JuliaFormatter
 
 using Reexport
+using Symbolics: degree
 @reexport using Symbolics
 export @derivatives
 using Symbolics: _parse_vars, value, @derivatives, get_variables,

test/linearize.jl

@@ -73,7 +73,7 @@ desired_order = [f.x, p.x]
 lsys = ModelingToolkit.reorder_states(lsys, states(ssys), desired_order)
 
 @test lsys.A == [-2 0; 1 -2]
-@test lsys.B == reshape([1; 0;;], 2, 1) # reshape required when testing on Julia v1.6
+@test lsys.B == reshape([1, 0], 2, 1)
 @test lsys.C == [0 1]
 @test lsys.D[] == 0