We'd like to offer a big thanks to the 14 contributors who made this release possible. Here are some highlights ✨:

• 💫 Support Row spanning on the Data Grid that automatically merges the consecutive cells in a column based on the cell value

  

• ⏰ Support date-fns v4 (#14673) @LukasTy

• 🎉 Add option for Pickers to change the order of displayed years (#11780) @thomasmoon

• 🐞 Bugfixes

• 📚 Documentation improvements

Data Grid

@mui/x-data-grid@7.18.0

• [DataGrid] Add default reset value in row edit mode (#14050) @michelengelen
• [DataGrid] Add columnGroupHeaderHeight prop for sizing column group headers (#14637) @KenanYusuf
• [DataGrid] Fix document reference when the grid is rendered in a popup window (#14649) @arminmeh
• [DataGrid] Remove minFirstColumn from GetHeadersParams interface (#14450) @k-rajat19
• [DataGrid] Row spanning (#14124) @MBilalShafi

@mui/x-data-grid-pro@7.18.0

Same changes as in @mui/x-data-grid@7.18.0, plus:

• [DataGridPro] Fix onRowsScrollEnd being triggered instantly when bottom pinned row is present (#14602) @arminmeh
• [DataGridPro] Fix header filters rendering issue for isEmpty and isNotEmpty filter operators (#14493) @k-rajat19
• [DataGridPro] Fix pinned columns in RTL mode (#14586) @KenanYusuf

@mui/x-data-grid-premium@7.18.0

Same changes as in @mui/x-data-grid-pro@7.18.0.

Date and Time Pickers

@mui/x-date-pickers@7.18.0

• [pickers] Add option to change the order of displayed years (#11780) @thomasmoon
• [pickers] Support date-fns v4 (#14673) @LukasTy

@mui/x-date-pickers-pro@7.18.0

Same changes as in @mui/x-date-pickers@7.18.0.

Charts

@mui/x-charts@7.18.0

• [charts] Add a PolarProvider to manage polar axes (#14642) @alexfauquette
• [charts] Fix LineChart animation being stuck with initial drawing area value (#14553) @JCQuintas
• [charts] Fix legend slot typing (#14657) @alexfauquette
• [charts] Pass the axis index to extremum getter (#14641) @alexfauquette
• [charts] Provide hooks to create custom tooltip (#14377) @alexfauquette

@mui/x-charts-pro@7.0.0-beta.1

Same changes as in @mui/x-charts@7.18.0.

Tree View

@mui/x-tree-view@7.18.0

• [TreeView] Add "use client" directive to every public component and hook (#14579) @flaviendelangle

Docs

• [docs] Add groupingValueGetter callout in column definition docs (#14599) @michelengelen
• [docs] Clean v6 => v7 migration guide (#14652) @flaviendelangle
• [docs] Copy vale-action.yml from main repo @oliviertassinari
• [docs] Edit the Pickers Getting started doc (#14555) @samuelsycamore
• [docs] Fix TypeScript capitalization @oliviertassinari
• [docs] Fix Vale error @oliviertassinari
• [docs] Make the migration guide diff a bit easier to read @oliviertassinari
• [docs] Report Vale at warning level (#14660) @oliviertassinari
• [docs] Warn about the valueGetter and valueFormatter signature change (#14613) @cherniavskii
• [docs] Polish code formatting (#14603) @oliviertassinari

Core

• [core] Fix 301 link to Next.js and git diff @oliviertassinari
• [core] Fix failing CI on master (#14644) @cherniavskii
• [core] Fix package.json repository rule @oliviertassinari
• [core] MUI X repository moved to a new location @oliviertassinari
• [docs-infra] Strengthen CSP (#14581) @oliviertassinari
• [license] Finish renaming of LicensingModel (#14615) @oliviertassinari
• [test] Spy on observe method to avoid flaky wait for a callback (#14640) @arminmeh