MUI X Data grid v5.9.0 Release Notes

    • [DataGrid] Add indexes relative to the filtered rows and the current page to the getRowClassName and getRowSpacing props (#3882) @flaviendelangle
    • [DataGrid] Add React 18 to peer dependencies (#4332) @m4theushw
    • 👍 [DataGrid] Add support for column spanning (#4020) @cherniavskii
    • [DataGrid] Apply filtering before sorting (#4359) @flaviendelangle
    • [DataGrid] Enable using non-native Select in filter panel (#4361) @kyeongsoosoo
    • [DataGrid] Fix api prop leaking to DOM (#4384) @m4theushw
    • [DataGrid] Fix column dimensions import/export with flex and resizing (#4311) @flaviendelangle
    • [DataGrid] Fix focus after stopping row edit mode with pagination enabled (#4326) @m4theushw
    • [DataGrid] Fix inconsistent overlay when changing the loading prop (#4334) @m4theushw
    • [DataGrid] Fix scrollbar grabbing issue in Safari (#4405) @cherniavskii
    • [DataGrid] GridCellParams.formattedValue should be nullable (#4376) @flaviendelangle
    • [DataGrid] Improve accessibility of the actions column (#4325) @m4theushw
    • ⚡️ [DataGrid] Pass updated row to edit components (#4392) @m4theushw
    • [DataGrid] Prevent column header scroll (#4280) @m4theushw
    • [DataGridPro] Fix toggling detail panel using keyboard (#4409) @cherniavskii
    • [l10n] Add Hungarian (hu-HU) locale (#4458) @x22tri