diff --git a/trees/uts-0018.tree b/trees/uts-0018.tree
index e257850..4f14a34 100644
--- a/trees/uts-0018.tree
+++ b/trees/uts-0018.tree
@@ -14,6 +14,12 @@
 \subtree[2024-10]{
 \title{October, 2024}
 
+\mdblock{10-09}{
+- read [C++ Package Managers: The Ultimate Roundup](https://moderncppdevops.com/pkg-mngr-roundup/), and might start using [xrepo](https://xrepo.xmake.io/) for C/C++ package management, it also supports a wide range of [package repositories](https://xmake.io/#/home?id=supported-package-repositories), including Conan, Conda, Vcpkg, Homebrew, Apt, and Cargo. But not [BinaryBuilder.jl ecosystem](https://github.com/JuliaPackaging/BinaryBuilder.jl) (see also [this FAQ](https://docs.binarybuilder.org/dev/FAQ/#Hey,-this-is-cool,-can-I-use-this-for-my-non-Julia-related-project?)).
+- clarify the license for GinacLean, laying the ground for potential future work around [Cadabra 2](https://github.com/kpeeters/cadabra2), which is licensed under GPLv3
+
+}
+
 \mdblock{10-08}{
 - add more plans in formal-land
 - recovered [Research Codebase Manifesto](https://www.moderndescartes.com/essays/research_code/) from [Lean-MLIR](https://github.com/opencompl/lean-mlir)