Update changelogs from fern repo (#2944)

Co-authored-by: aditya-arolkar-swe <[email protected]>

Author: fern-support

fern/products/sdks/overview/java/changelog/2025-12-23.mdx

@@ -1,3 +1,6 @@
+## 3.27.5-rc1
+**`(chore):`** Add debug logging to generator agent methods to help diagnose issues with README and reference generation.
+
 ## 3.27.5-rc0
 **`(chore):`** Skip installation of generator-cli in Java V2 generator as it is already installed in the base image.