diff --git a/releaseNotes.txt b/releaseNotes.txt
index 0740e3d..ac7be45 100644
--- a/releaseNotes.txt
+++ b/releaseNotes.txt
@@ -1,3 +1,18 @@
+
+Version 0.5.1b:
+	known issues:
+		- force setting loadings may result in non working plugins or not opening direct image links. Use 0.5.1a instead or use Firefox >= 59 which provides the required API to solve this issue once and for all
+	
+	changes:
+		- if settings are not loaded fast enough the loading is forced
+
+Version 0.5.1a:
+	known issues:
+		- due to API blocking some web pages may break. Use 0.5.1b instead.
+	
+	changes:
+		- if settings are not loaded fast enough the loading is not forced but all APIs are blocked
+
 Version 0.5.1:
 	changes:
 		- instead of blocking requests from data URLs they are blocked themselfes