diff --git a/Project.toml b/Project.toml
index 124cde89..75961826 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "SciMLOperators"
 uuid = "c0aeaf25-5076-4817-a8d5-81caf7dfa961"
 authors = ["Vedant Puri <vedantpuri@gmail.com>"]
-version = "1.2.1"
+version = "1.3.0"
 
 [deps]
 ArrayInterface = "4fba245c-0d91-5ea0-9b3e-6abc04ee57a9"
diff --git a/src/SciMLOperators.jl b/src/SciMLOperators.jl
index 362d9f00..eec4128d 100644
--- a/src/SciMLOperators.jl
+++ b/src/SciMLOperators.jl
@@ -19,6 +19,9 @@ import Base: iszero, inv, adjoint, transpose, size, convert
 import LinearAlgebra: mul!, ldiv!, lmul!, rmul!, factorize
 import LinearAlgebra: Matrix, Diagonal
 
+# Used for downstream checking
+const isv1 = true
+
 """
 $(TYPEDEF)