Update docs on Python support (#404)

* docs: Update install.md

* Update CHANGELOG.md

Author: kayjan

CHANGELOG.md

@@ -6,6 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 - General: Switch to use Python 3.10 conventions.
+- Docs: Update docs on the Python version update.
 
 ## [0.31.0] - 2025-09-11
 ### Changed:

docs/home/install.md

@@ -4,7 +4,11 @@ title: Installation
 
 # 💻 Installation
 
-`bigtree` requires Python 3.8+. There are two ways to install `bigtree`, with pip (recommended) or conda.
+`bigtree` requires Python 3.10+. There are two ways to install `bigtree`, with pip (recommended) or conda.
+
+!!! note
+
+    For Python 3.8 and 3.9, use `bigtree<0.31.0`
 
 ## Installation with pip