Update release notes with recent changes

Christopher Doris · Christopher Doris · commit 6ea6c8ea8a34 · 2025-07-12T21:23:53.000+01:00
diff --git a/docs/src/releasenotes.md b/docs/src/releasenotes.md
@@ -1,5 +1,10 @@
 # Release Notes
 
+## Unreleased
+* Added PySide6 support to the GUI compatibility layer.
+* Added FAQ on interactive threads.
+* Added CI benchmarking suite.
+
 ## 0.9.25 (2025-05-13)
 * Added `PYTHON_JULIACALL_HEAP_SIZE_HINT` option to configure initial Julia heap size.
 * `Base.elsize` now defined for `PyArray`.
