From efd879fcd8013e359d398bb495ee5520d0e5156b Mon Sep 17 00:00:00 2001
From: Katie Kloss <katherine.kloss@proton.me>
Date: Thu, 19 Feb 2026 09:04:56 -0500
Subject: [PATCH] docs: Add news fragment

---
 changelog.d/1421.bugfix | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 changelog.d/1421.bugfix

diff --git a/changelog.d/1421.bugfix b/changelog.d/1421.bugfix
new file mode 100644
index 00000000..e069b0b4
--- /dev/null
+++ b/changelog.d/1421.bugfix
@@ -0,0 +1 @@
+Fixed a startup crash in the sender service if we can't detect the number of CPU cores, even if the `sender_workers' config option is set correctly. Contributed by @katie.