diff --git a/Project.toml b/Project.toml
index a27bd762..ff6e1b8f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "DiffEqCallbacks"
 uuid = "459566f4-90b8-5000-8ac3-15dfb0a30def"
-version = "4.18.0"
+version = "4.18.1"
 authors = ["Chris Rackauckas <accounts@chrisrackauckas.com>"]
 
 [deps]
@@ -28,7 +28,7 @@ Aqua = "0.8"
 ConcreteStructs = "0.2.3"
 DataInterpolations = "5, 6, 7, 8"
 DataStructures = "0.18.13, 0.19.0"
-DiffEqBase = "6.190.2, 7"
+DiffEqBase = "6.211.0, 7"
 DifferentiationInterface = "0.7.3"
 ForwardDiff = "0.10.36"
 Functors = "0.5"
@@ -36,7 +36,7 @@ LinearAlgebra = "1.10"
 Markdown = "1.10"
 NonlinearSolve = "3.14, 4"
 ODEProblemLibrary = "1.0.0"
-OrdinaryDiffEqBDF = "1.3.0, 2"
+OrdinaryDiffEqBDF = "1.7.0, 2"
 OrdinaryDiffEqLowOrderRK = "1.2.0, 2"
 OrdinaryDiffEqNonlinearSolve = "1.5.0, 2"
 OrdinaryDiffEqRosenbrock = "1.8.0, 2"
diff --git a/docs/Project.toml b/docs/Project.toml
index 44422195..5a9c1d3d 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -5,6 +5,7 @@ Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 NonlinearSolve = "8913a72c-1f9b-4ce2-8d82-65094dcecaec"
 OrdinaryDiffEq = "1dea7af3-3e70-54e6-95c3-0bf5283fa5ed"
+OrdinaryDiffEqLowOrderRK = "1344f307-1e59-4825-a18e-ace9aa3fa4c6"
 Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 
 [compat]
@@ -13,4 +14,5 @@ DiffEqCallbacks = "4"
 Documenter = "1"
 NonlinearSolve = "3, 4"
 OrdinaryDiffEq = "6.88, 7"
+OrdinaryDiffEqLowOrderRK = "1.2.0, 2"
 Plots = "1.36"
diff --git a/docs/src/integrating.md b/docs/src/integrating.md
index 27b3d905..206ac9c5 100644
--- a/docs/src/integrating.md
+++ b/docs/src/integrating.md
@@ -45,7 +45,7 @@ IntegratingGKSumCallback
 ## Example
 
 ```@example integrating
-using OrdinaryDiffEq, DiffEqCallbacks, Test
+using OrdinaryDiffEq, OrdinaryDiffEqLowOrderRK, DiffEqCallbacks, Test
 prob = ODEProblem((u, p, t) -> [1.0], [0.0], (0.0, 1.0))
 integrated = IntegrandValues(Float64, Vector{Float64})
 sol = solve(prob, Euler(),
diff --git a/docs/src/uncertainty_quantification.md b/docs/src/uncertainty_quantification.md
index d77abf03..cf55d611 100644
--- a/docs/src/uncertainty_quantification.md
+++ b/docs/src/uncertainty_quantification.md
@@ -14,7 +14,7 @@ In this example we will determine our uncertainty when solving the FitzHugh-Nagu
 model with the `Euler()` method. We define the FitzHugh-Nagumo model:
 
 ```@example probnum
-using DiffEqCallbacks, OrdinaryDiffEq, Plots
+using DiffEqCallbacks, OrdinaryDiffEq, OrdinaryDiffEqLowOrderRK, Plots
 gr(fmt = :png)
 
 function fitz(du, u, p, t)
diff --git a/test/test_groups.toml b/test/test_groups.toml
index e25a68a7..a16f411f 100644
--- a/test/test_groups.toml
+++ b/test/test_groups.toml
@@ -2,10 +2,15 @@
 versions = ["1", "lts", "pre"]
 os = ["ubuntu-latest", "macos-latest", "windows-latest"]
 
+# QA is its own CI lane, never part of the "All" aggregate.
 [QA]
 versions = ["lts", "1"]
+in_all = false
 
-# SciMLSensitivity/Zygote/Tracker-backed AD tests. The AD stack does not
-# support prerelease Julia; deps live in test/AD/Project.toml.
+# SciMLSensitivity/Zygote/Tracker-backed AD tests. The AD stack does not support
+# prerelease Julia and is unreliable off Linux (e.g. Enzyme on windows), so the AD
+# group runs on its own (Linux, non-prerelease) and is excluded from "All" — otherwise
+# the All/secondary-OS legs glob test/AD/ and fail on Windows. Deps: test/AD/Project.toml.
 [AD]
 versions = ["lts", "1"]
+in_all = false