Require v1.9 and drop backwards compat

Author: ChrisRackauckas

.github/workflows/CI.yml

@@ -15,7 +15,6 @@ jobs:
           - Core
         version:
           - '1'
-          - '1.6'
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1

.github/workflows/Downstream.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        julia-version: [1,1.6]
+        julia-version: [1]
         os: [ubuntu-latest]
         package:
           - {user: SciML, repo: ModelingToolkit.jl, group: All}

Project.toml

@@ -1,15 +1,14 @@
 name = "SimpleNonlinearSolve"
 uuid = "727e6d20-b764-4bd8-a329-72de5adea6c7"
 authors = ["SciML"]
-version = "0.1.24"
+version = "0.1.25"
 
 [deps]
 ArrayInterface = "4fba245c-0d91-5ea0-9b3e-6abc04ee57a9"
 DiffEqBase = "2b5f629d-d688-5b77-993f-72d75c75574e"
 FiniteDiff = "6a86dc24-6348-571c-b903-95158fe2bd41"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
-PackageExtensionCompat = "65ce6f38-6b18-4e1d-a461-8949797d7930"
 PrecompileTools = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 SciMLBase = "0bca4576-84f4-4d90-8ffe-ffa030f20462"
@@ -22,18 +21,17 @@ NNlib = "872c559c-99b0-510c-b3b7-b6c96a88d5cd"
 SimpleNonlinearSolveNNlibExt = "NNlib"
 
 [compat]
-ArrayInterface = "6, 7"
+ArrayInterface = "7"
 DiffEqBase = "6.126"
 FiniteDiff = "2"
 ForwardDiff = "0.10.3"
-LinearAlgebra = "1.6"
+LinearAlgebra = "1.9"
 NNlib = "0.8, 0.9"
-PackageExtensionCompat = "1"
 PrecompileTools = "1"
-Reexport = "0.2, 1"
-SciMLBase = "1.73, 2"
+Reexport = "1"
+SciMLBase = "2"
 StaticArraysCore = "1.4"
-julia = "1.6"
+julia = "1.9"
 
 [extras]
 NNlib = "872c559c-99b0-510c-b3b7-b6c96a88d5cd"

src/SimpleNonlinearSolve.jl

@@ -10,11 +10,6 @@ using DiffEqBase
 
 @reexport using SciMLBase
 
-using PackageExtensionCompat
-function __init__()
-    @require_extensions
-end
-
 const NNlibExtLoaded = Ref{Bool}(false)
 
 abstract type AbstractSimpleNonlinearSolveAlgorithm <: SciMLBase.AbstractNonlinearAlgorithm end