diff --git a/README.md b/README.md
index 475724a..3de984d 100644
--- a/README.md
+++ b/README.md
@@ -84,6 +84,17 @@ You can optionally supply additional ordered parameters to `contented.init`:
 
 ## Changelog
 
+2023-05-17: 1.4.0
+- BREAKING: Remove support for some old web browsers (require jQuery 3, ES6 template literals, Promises, Canvas.toBlob)
+- Feature: Initial album support with custom titles
+- Feature: Support readonly mode
+- Enhancement: Use lazy-loading for large image galleries
+- Enhancement: Better tab titles on preview pages
+- Fix an issue with continuing server-side thumbnailing work even if the http client has gone away
+- Fix an issue with not warning on colliding hashIDs
+- Internal: Refactor the SDK's initialization phase
+- Internal: Update bolt library dependency
+
 2020-07-25: 1.3.1
 - Fix an issue with dependencies causing failure to compile in Modules mode