From ed3ec045aae2775b2df2717d203f2270a325e3f4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=B6kmen=20G=C3=B6rgen?=
 <goekmen.goergen@ai-coustics.com>
Date: Mon, 9 Feb 2026 12:04:09 +0100
Subject: [PATCH] add changelog file.

---
 changelog/3684.changed.md | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 changelog/3684.changed.md

diff --git a/changelog/3684.changed.md b/changelog/3684.changed.md
new file mode 100644
index 000000000..017fc9946
--- /dev/null
+++ b/changelog/3684.changed.md
@@ -0,0 +1,2 @@
+- `AICFilter` now shares read-only AIC models via a singleton `AICModelManager` in `aic_filter.py`.
+  - Multiple filters using the same `model path` or `(model_id, model_download_dir)` share one loaded model, with reference counting and concurrent load deduplication.