From c1bc9a2b540b693f4305866fd58ce167d34fe907 Mon Sep 17 00:00:00 2001
From: Ralph Lange <ralph.lange@gmx.de>
Date: Mon, 10 Nov 2025 15:15:08 +0100
Subject: [PATCH] PR #737: add Release Note snippet

---
 documentation/new-notes/PR-737.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 documentation/new-notes/PR-737.md

diff --git a/documentation/new-notes/PR-737.md b/documentation/new-notes/PR-737.md
new file mode 100644
index 000000000..57f770649
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+++ b/documentation/new-notes/PR-737.md
@@ -0,0 +1,5 @@
+### Add environment variable to opt out of POSIX Real-Time scheduling
+
+On POSIX systems, processes with real-time capabilities can opt out of using
+Posix thread priority scheduling and memory locking.
+Set `EPICS_ALLOW_POSIX_THREAD_PRIORITY_SCHEDULING=NO` to achieve this.