---
title: "Upgrading to AG Grid 34.1"
framework: vue
version: "36.1.0"
---

# Upgrading to AG Grid 34.1

Tree Data with Master Detail, Test IDs, Compact Column Headers, Grid Context in Integrated Charts, Accessibility Improvements.

## What's New

AG Grid 34.1 adds important new features – [Tree Data with Master Detail](https://www.ag-grid.com/vue-data-grid/master-detail-other/#tree-data), [Test IDs](https://www.ag-grid.com/vue-data-grid/testing/#test-ids), [Compact Column Headers](https://www.ag-grid.com/vue-data-grid/column-groups/#hide-padded-header-rows), [Grid Context in Integrated Charts](https://www.ag-grid.com/vue-data-grid/integrated-charts-customisation/#accessing-grid-context-in-formatters), Accessibility Improvements, as described in the [release post](https://blog.ag-grid.com/whats-new-in-ag-grid-34-1/).

These improvements involve no breaking changes as listed below.

## Documentation

[See AG Grid 34.1 Documentation](https://www.ag-grid.com/archive/34.1.2/documentation)

## Breaking Changes

There are no breaking changes in AG Grid version 34.1.

## Behaviour Changes

There are no behaviour changes in AG Grid version 34.1.

## Removal of Deprecated APIs

There are no deprecated API removals in AG Grid version 34.1.

## Deprecations

There are no deprecations in AG Grid version 34.1.

## Changes List

[See the full changelog for v34.1.0](https://www.ag-grid.com/changelog/?fixVersion=34.1.0)