From 9b7e15c9bc6719db2404d7edb8f6350ada8c25c8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aleix=20Conchillo=20Flaqu=C3=A9?= <aleix@daily.co>
Date: Thu, 9 Apr 2026 16:50:46 -0700
Subject: [PATCH] Add changelog for #4267

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 changelog/4267.fixed.md | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 changelog/4267.fixed.md

diff --git a/changelog/4267.fixed.md b/changelog/4267.fixed.md
new file mode 100644
index 000000000..5f495bc73
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+++ b/changelog/4267.fixed.md
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+- Fixed `ValueError: write to closed file` during pipeline shutdown when observers were active. Observer proxy tasks are now cancelled before observer resources are cleaned up.