From b5749710b65a15adacfc222d5b8a3874139a2649 Mon Sep 17 00:00:00 2001
From: Oliver Schulz <oschulz@mpp.mpg.de>
Date: Wed, 11 Feb 2026 22:30:19 +0100
Subject: [PATCH 1/4] Add NestedNumbers to deps

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

diff --git a/Project.toml b/Project.toml
index bf0398cd..5d8b0793 100644
--- a/Project.toml
+++ b/Project.toml
@@ -5,6 +5,7 @@ version = "1.11.0"
 
 [deps]
 DispatchDoctor = "8d63f2c5-f18a-4cf2-ba9d-b3f60fc568c8"
+NestedNumbers = "1f6363f3-4ba7-41a3-bcac-d685ef427933"
 PrecompileTools = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
 TestItems = "1c621080-faea-4a02-84b6-bbd5e436b8fe"
 Tricks = "410a4b4d-49e4-4fbc-ab6d-cb71b17b3775"
@@ -25,6 +26,7 @@ DynamicQuantitiesUnitfulExt = "Unitful"
 DispatchDoctor = "0.4"
 LinearAlgebra = "1"
 Measurements = "2"
+NestedNumbers = "0.1"
 PrecompileTools = "1"
 ScientificTypes = "3"
 TestItems = "0.1, 1"

From c41c9aa572a1d8b84f7010525f2fc987bd99b693 Mon Sep 17 00:00:00 2001
From: Oliver Schulz <oschulz@mpp.mpg.de>
Date: Wed, 11 Feb 2026 22:30:32 +0100
Subject: [PATCH 2/4] [TEMPORARY] Set Pkg source URL for NestedNumbers until
 registered

---
 Project.toml      | 3 +++
 docs/Project.toml | 6 ++++++
 test/Project.toml | 6 ++++++
 3 files changed, 15 insertions(+)

diff --git a/Project.toml b/Project.toml
index 5d8b0793..0ae325fa 100644
--- a/Project.toml
+++ b/Project.toml
@@ -39,3 +39,6 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 Measurements = "eff96d63-e80a-5855-80a2-b1b0885c5ab7"
 ScientificTypes = "321657f4-b219-11e9-178b-2701a2544e81"
 Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
+
+[sources]
+NestedNumbers = {url = "https://github.com/JuliaMath/NestedNumbers.jl"}
diff --git a/docs/Project.toml b/docs/Project.toml
index 81596350..5bb24a6b 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -5,3 +5,9 @@ Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 [compat]
 # TODO: update when https://github.com/MakieOrg/Makie.jl/pull/5137 merged
 CairoMakie = "0.15.3"
+
+[extras]
+NestedNumbers = "1f6363f3-4ba7-41a3-bcac-d685ef427933"
+
+[sources]
+NestedNumbers = {url = "https://github.com/JuliaMath/NestedNumbers.jl"}
diff --git a/test/Project.toml b/test/Project.toml
index cf8f60df..7339338c 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -12,3 +12,9 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 TestItemRunner = "f8b46487-2199-4994-9208-9a1283c18c0a"
 TestItems = "1c621080-faea-4a02-84b6-bbd5e436b8fe"
 Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
+
+[extras]
+NestedNumbers = "1f6363f3-4ba7-41a3-bcac-d685ef427933"
+
+[sources]
+NestedNumbers = {url = "https://github.com/JuliaMath/NestedNumbers.jl"}

From 3b585e6e61aa48d7c9009181bd65103a8143486c Mon Sep 17 00:00:00 2001
From: Oliver Schulz <oschulz@mpp.mpg.de>
Date: Thu, 12 Feb 2026 20:24:55 +0100
Subject: [PATCH 3/4] [TEMPORARY] Run CI on current stable Julia only

---
 .github/workflows/CI.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 2c1638dd..8bcbfc8f 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.10'
+          #- '1.10'
           - '1'
         os:
           - ubuntu-latest

From 825d8a1f818911571e4c6bd88f88386d081744e1 Mon Sep 17 00:00:00 2001
From: Oliver Schulz <oschulz@mpp.mpg.de>
Date: Wed, 11 Feb 2026 23:24:07 +0100
Subject: [PATCH 4/4] Make AbstractQuantity a NestedNumbers.QuantityNumber

---
 src/types.jl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/types.jl b/src/types.jl
index 962f6242..78ad0c24 100644
--- a/src/types.jl
+++ b/src/types.jl
@@ -1,3 +1,5 @@
+import NestedNumbers
+
 @static if VERSION <= v"1.11.0-"
     @eval using Tricks: static_fieldnames
 else
@@ -40,7 +42,7 @@ to a base unit (e.g., `length` by default maps to `m`). You may also need to ove
 abstract type AbstractDimensions{R} end
 
 """
-    AbstractQuantity{T,D} <: Number
+    AbstractQuantity{T,D} <: NestedNumbers.QuantityNumber{T}
 
 An abstract type for quantities. `T` is the type of the value of the quantity,
 which should be `<:Number`.
@@ -59,7 +61,7 @@ specialize on `UnionAbstractQuantity` which is
 the union of both `AbstractQuantity` and `AbstractGenericQuantity`,
 _as well as any other future abstract quantity types_,
 """
-abstract type AbstractQuantity{T,D} <: Number end
+abstract type AbstractQuantity{T,D} <: NestedNumbers.QuantityNumber{T} end
 
 """
     AbstractGenericQuantity{T,D} <: Any