updating changelog for release

Author: BSd3v

CHANGELOG.md

@@ -6,6 +6,10 @@ Links "DE#nnn" prior to version 2.0 point to the Dash Enterprise closed-source D
 
 ## [unreleased]
 
+## [35.0.0rc0] - 2026-01-21
+### Changed
+- bumping to v`35.0.0` for the grid
+
 ## [33.3.3] - 2025-12-19
 ### Fixed
 - [#408](https://github.com/plotly/dash-ag-grid/pull/408) fixed issue where the `columnState` would conflict with `columnDefs` updates