diff --git a/relnotes/v2.1.md b/relnotes/v2.1.md
index 382763eed..b3a06a930 100644
--- a/relnotes/v2.1.md
+++ b/relnotes/v2.1.md
@@ -2,3 +2,16 @@
 
 - Devices and folders can now be grouped in the GUI by setting the new
   `group` attribute.
+
+- HTTP and HTTPS proxies with support for CONNECT can now be used, in
+  addition to the existing support for SOCKS proxies (the environment
+  variable `all_proxy=https://...`).
+
+- Block indexing can be turned off for folders where it's more desirable to
+  optimise for reduced database size and overhead than minimal transfer
+  size (the `blockIndexing` attribute on folder configuration).
+
+- GUI login session duration can be configured to be longer or shorter than
+  the default one week, or set to infinitely long. The cookie path can also
+  be adjusted. (The `sessionCookieDurationS` and `sessionCookiePath`
+  attributes in the GUI configuration.)