diff --git a/README.md b/README.md
index c9484326..a70b0ff6 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@ Alternatively clone this repository (the `release` branch always references the
 
 - PHP 8.1 (with SQLite 3.34.0+)
 - Required PHP extensions: `fileinfo`, `pdo_sqlite`, `gd`, `ctype`, `json`, `intl`, `zlib`, `mbstring`
+- _Recommendation: Benchmark tests showed that e.g. unit conversion handling is up to 5 times faster when using a more recent (3.39.4+) SQLite version._
 
 ## How to run using Docker
 
diff --git a/changelog/70_UNRELEASED_xxxx.xx.xx.md b/changelog/70_UNRELEASED_xxxx.xx.xx.md
index 508d0073..ed25f162 100644
--- a/changelog/70_UNRELEASED_xxxx.xx.xx.md
+++ b/changelog/70_UNRELEASED_xxxx.xx.xx.md
@@ -2,6 +2,8 @@
 
 > ❗ The major version bump is due to breaking API changes, please see below if you use the API.
 
+> _Recommendation: Benchmark tests showed that e.g. unit conversion handling is up to 5 times faster when using a more recent (3.39.4+) SQLite version._
+
 ### New feature: xxxx
 
 - xxx