diff --git a/CHANGES.md b/CHANGES.md
index 8ec9a89b78b39..69a893b49ed45 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -127,7 +127,7 @@
 
 ## Known Issues
 
-* ([#X](https://github.com/apache/beam/issues/X)).
+* PubsubIO writes will throw *SizeLimitExceededException* for any message above 100 bytes, when used in batch (bounded) mode. (Java) ([#27000](https://github.com/apache/beam/issues/27000)).
 
 # [2.47.0] - 2023-05-10
 
diff --git a/website/www/site/content/en/blog/beam-2.48.0.md b/website/www/site/content/en/blog/beam-2.48.0.md
index 06bbe360f517a..dc6b4daaeda9b 100644
--- a/website/www/site/content/en/blog/beam-2.48.0.md
+++ b/website/www/site/content/en/blog/beam-2.48.0.md
@@ -63,6 +63,9 @@ For more information on changes in 2.48.0, check out the [detailed release notes
 
 * Fixed Java bootloader failing with Too Long Args due to long classpaths, with a pathing jar. (Java) ([#25582](https://github.com/apache/beam/issues/25582)).
 
+## Known Issues
+
+* PubsubIO writes will throw *SizeLimitExceededException* for any message above 100 bytes, when used in batch (bounded) mode. (Java) ([#27000](https://github.com/apache/beam/issues/27000)).
 
 ## List of Contributors