diff --git a/CHANGELOG.md b/CHANGELOG.md
index 272e91da..c4bf7e81 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
# Changelog
+## In progress release 2.1.91
+
+* FIX: Regression preventing UWP app from remaining in Service Worker mode
+
## Release 2.1.9
* ENHANCEMENT: Better suggestions for mirrors when Library server does not provide mirror info
diff --git a/www/index.html b/www/index.html
index b790b2dd..fb1b6885 100644
--- a/www/index.html
+++ b/www/index.html
@@ -129,9 +129,10 @@
Fix display of some irregularly formatted filenames in Library
Streamline polling of spinner and messaging
Ensure spinner never shows for more than 3 seconds
- Fixed display of landing pages of YouTube-based archives (e.g. TED Talks)
+ Fix display of landing pages of YouTube-based archives (e.g. TED Talks)
Ensure dynamic element is scrolled into view when clicked in collection archives
- Fixed regression preventing load of some relative assets in Zimit archives
+ Fix regression preventing load of some relative assets in Zimit archives
+ Fix regression preventing UWP app from remaining in Service Worker mode
And there's more...