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-rw-r--r--doc/release-notes.md8
1 files changed, 5 insertions, 3 deletions
diff --git a/doc/release-notes.md b/doc/release-notes.md
index f049aaa4af..e46380b38f 100644
--- a/doc/release-notes.md
+++ b/doc/release-notes.md
@@ -51,9 +51,7 @@ Core should also work on most other Unix-like systems but is not as
frequently tested on them. It is not recommended to use Bitcoin Core on
unsupported systems.
-From Bitcoin Core 0.22.0 onwards, macOS versions earlier than 10.14 are no
-longer supported. Additionally, Bitcoin Core does not yet change appearance
-when macOS "dark mode" is activated.
+From Bitcoin Core 22.0 onwards, macOS versions earlier than 10.14 are no longer supported.
Notable changes
===============
@@ -120,6 +118,10 @@ Low-level changes
RPC
---
+- The RPC server can process a limited number of simultaneous RPC requests.
+ Previously, if this limit was exceeded, `bitcoind` would respond with
+ [status code 500 (`HTTP_INTERNAL_SERVER_ERROR`)](https://en.wikipedia.org/wiki/List_of_HTTP_status_codes#5xx_server_errors).
+ Now it returns status code 503 (`HTTP_SERVICE_UNAVAILABLE`). (#18335)
Tests
-----