From 6beaa1ee0c433da3efcffe94a6d34d4a5a8c4095 Mon Sep 17 00:00:00 2001
From: Avik Pal <avikpal@mit.edu>
Date: Wed, 20 Dec 2023 15:16:09 -0500
Subject: [PATCH 1/2] Fix literal_getproperty for LinearSolution

---
 ext/SciMLBaseZygoteExt.jl | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/ext/SciMLBaseZygoteExt.jl b/ext/SciMLBaseZygoteExt.jl
index a39bd7b00..0d322a056 100644
--- a/ext/SciMLBaseZygoteExt.jl
+++ b/ext/SciMLBaseZygoteExt.jl
@@ -167,6 +167,15 @@ end
     sol.u, solu_adjoint
 end
 
+@adjoint function literal_getproperty(sol::SciMLBase.LinearSolution, ::Val{:u})
+    function solu_adjoint(Δ)
+        zerou = zero(sol.u)
+        _Δ = @. ifelse(Δ === nothing, zerou, Δ)
+        (SciMLBase.build_linear_solution(sol.cache.alg, _Δ, sol.resid, sol.cache),)
+    end
+    sol.u, solu_adjoint
+end
+
 @adjoint function literal_getproperty(sol::SciMLBase.OptimizationSolution,
         ::Val{:u})
     function solu_adjoint(Δ)

From a222cda85198b8f1b42e89e5a062d5fa199ceea2 Mon Sep 17 00:00:00 2001
From: Avik Pal <avikpal@iitk.ac.in>
Date: Sat, 24 Feb 2024 15:06:56 -0500
Subject: [PATCH 2/2] Up Project version

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

diff --git a/Project.toml b/Project.toml
index 888f0de1b..bf6ad0d73 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "SciMLBase"
 uuid = "0bca4576-84f4-4d90-8ffe-ffa030f20462"
 authors = ["Chris Rackauckas <accounts@chrisrackauckas.com> and contributors"]
-version = "2.26.2"
+version = "2.26.3"
 
 [deps]
 ADTypes = "47edcb42-4c32-4615-8424-f2b9edc5f35b"