From 5b9e7abb210aba9a995cfb13475de97a0d8bc537 Mon Sep 17 00:00:00 2001
From: Christopher Rackauckas <accounts@chrisrackauckas.com>
Date: Wed, 2 Jul 2025 12:53:28 +0000
Subject: [PATCH 1/2] Merge pull request #3733 from oscardssmith/os/bump-di

fix linearization t0 and bump di

(cherry picked from commit d52b73540c1dab6550f3958b489880b860e389e4)
---
 Project.toml         | 2 +-
 src/linearization.jl | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Project.toml b/Project.toml
index 6409dca9dc..981226aa15 100644
--- a/Project.toml
+++ b/Project.toml
@@ -101,7 +101,7 @@ DiffEqBase = "6.170.1"
 DiffEqCallbacks = "2.16, 3, 4"
 DiffEqNoiseProcess = "5"
 DiffRules = "0.1, 1.0"
-DifferentiationInterface = "0.6.47"
+DifferentiationInterface = "0.6.47, 0.7"
 Distributed = "1"
 Distributions = "0.23, 0.24, 0.25"
 DocStringExtensions = "0.7, 0.8, 0.9"
diff --git a/src/linearization.jl b/src/linearization.jl
index b30d275818..fec5711dde 100644
--- a/src/linearization.jl
+++ b/src/linearization.jl
@@ -163,13 +163,13 @@ struct PreparedJacobian{iip, P, F, B, A}
 end
 
 function PreparedJacobian{true}(f, buf, autodiff, args...)
-    prep = DI.prepare_jacobian(f, buf, autodiff, args...)
+    prep = DI.prepare_jacobian(f, buf, autodiff, args...; strict = Val(false))
     return PreparedJacobian{true, typeof(prep), typeof(f), typeof(buf), typeof(autodiff)}(
         prep, f, buf, autodiff)
 end
 
 function PreparedJacobian{false}(f, autodiff, args...)
-    prep = DI.prepare_jacobian(f, autodiff, args...)
+    prep = DI.prepare_jacobian(f, autodiff, args...; strict = Val(false))
     return PreparedJacobian{true, typeof(prep), typeof(f), Nothing, typeof(autodiff)}(
         prep, f, nothing)
 end

From 62dfa1f1254121bcaf66e99d448ecb198de5b905 Mon Sep 17 00:00:00 2001
From: David Widmann <devmotion@users.noreply.github.com>
Date: Thu, 6 Nov 2025 09:10:02 +0100
Subject: [PATCH 2/2] Bump version to 9.84.0

---
 Project.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Project.toml b/Project.toml
index 981226aa15..d68990f6e4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ModelingToolkit"
 uuid = "961ee093-0014-501f-94e3-6117800e7a78"
 authors = ["Yingbo Ma <mayingbo5@gmail.com>", "Chris Rackauckas <accounts@chrisrackauckas.com> and contributors"]
-version = "9.83.0"
+version = "9.84.0"
 
 [deps]
 ADTypes = "47edcb42-4c32-4615-8424-f2b9edc5f35b"