Search results

[scheduler] Add support for built-in classes and custom classes to Event Dialog

scope: schedulerChanges related to the scheduler.Changes related to the scheduler.

type: new featureExpand the scope of the product to solve a new problem.Expand the scope of the product to solve a new problem.

Status: Open.

#21127 In mui/mui-x;

· flaviendelangle opened on Jan 28, 2026

[scheduler] Consolidate store context providers into a single provider

scope: schedulerChanges related to the scheduler.Changes related to the scheduler.

type: enhancementIt’s an improvement, but we can’t make up our mind whether it's a bug fix or a new feature.It’s an improvement, but we can’t make up our mind whether it's a bug fix or a new feature.

Status: Open.

#21126 In mui/mui-x;

· rita-codes opened on Jan 28, 2026

[scheduler] Replace <code>event.start</code>, <code>event.end</code> and <code>rrule</code>'s dates with strings

breaking changeIntroduces changes that are not backward compatible.Introduces changes that are not backward compatible.

scope: schedulerChanges related to the scheduler.Changes related to the scheduler.

type: enhancementIt’s an improvement, but we can’t make up our mind whether it's a bug fix or a new feature.It’s an improvement, but we can’t make up our mind whether it's a bug fix or a new feature.

Status: Open.

#21125 In mui/mui-x;

· flaviendelangle opened on Jan 28, 2026

[data grid] Footer aggregation not showing with initialState with sortModel and pinnedColumns

feature: AggregationRelated to the data grid Aggregation featureRelated to the data grid Aggregation feature

scope: data gridChanges related to the data grid.Changes related to the data grid.

support: pro standardSupport request from a Pro standard plan user. https://mui.com/legal/technical-support-sla.Support request from a Pro standard plan user. https://mui.com/legal/technical-support-sla.

type: regressionA bug, but worse, it used to behave as expected.A bug, but worse, it used to behave as expected.

Status: Open.

#21115 In mui/mui-x;

· genepaul opened on Jan 27, 2026

[question][data grid] Sharing part of state across different datagrids

feature: State managementRelated to the data grid State management featureRelated to the data grid State management feature

scope: data gridChanges related to the data grid.Changes related to the data grid.

status: waiting for authorIssue with insufficient information.Issue with insufficient information.

support: pro standardSupport request from a Pro standard plan user. https://mui.com/legal/technical-support-sla.Support request from a Pro standard plan user. https://mui.com/legal/technical-support-sla.

Status: Open.

#21114 In mui/mui-x;

· QuietContributor88 opened on Jan 27, 2026

[data grid] Data source does not request last page when rowCount % pageSize is 1

feature: Server integrationBetter integration with backends, e.g. data sourceBetter integration with backends, e.g. data source

scope: data gridChanges related to the data grid.Changes related to the data grid.

type: bugIt doesn't behave as expected.It doesn't behave as expected.

Status: Open.

#21104 In mui/mui-x;

· frekvent-balint opened on Jan 27, 2026

[tree view] Controlling expansion fails to lazy-load items

scope: tree viewChanges related to the tree view. This includes TreeView, TreeItem.Changes related to the tree view. This includes TreeView, TreeItem.

status: waiting for maintainerThese issues haven't been looked at yet by a maintainer.These issues haven't been looked at yet by a maintainer.

support: pro standardSupport request from a Pro standard plan user. https://mui.com/legal/technical-support-sla.Support request from a Pro standard plan user. https://mui.com/legal/technical-support-sla.

Status: Open.

#21088 In mui/mui-x;

· caillou opened on Jan 26, 2026

[charts] Audio rendering of charts

plan: PremiumImpact at least one Premium user.Impact at least one Premium user.

scope: chartsChanges related to the charts.Changes related to the charts.

waiting for 👍Waiting for upvotes. Open for community feedback and needs more interest to be worked on.Waiting for upvotes. Open for community feedback and needs more interest to be worked on.

Status: Open.

#21062 In mui/mui-x;

· oliviertassinari opened on Jan 24, 2026

[scheduler] The day view Event Popover is broken

scope: schedulerChanges related to the scheduler.Changes related to the scheduler.

type: bugIt doesn't behave as expected.It doesn't behave as expected.

Status: Open.

#21058 In mui/mui-x;

· flaviendelangle opened on Jan 23, 2026

[tree view] lazy-loaded tree: auto-expand child nodes

scope: tree viewChanges related to the tree view. This includes TreeView, TreeItem.Changes related to the tree view. This includes TreeView, TreeItem.

status: waiting for maintainerThese issues haven't been looked at yet by a maintainer.These issues haven't been looked at yet by a maintainer.

support: pro standardSupport request from a Pro standard plan user. https://mui.com/legal/technical-support-sla.Support request from a Pro standard plan user. https://mui.com/legal/technical-support-sla.

Status: Open.

#21053 In mui/mui-x;

· caillou opened on Jan 23, 2026

[tree view] <code>updateItemChildren</code> does not exist on type <code>treeViewApiRef</code>

scope: tree viewChanges related to the tree view. This includes TreeView, TreeItem.Changes related to the tree view. This includes TreeView, TreeItem.

support: pro standardSupport request from a Pro standard plan user. https://mui.com/legal/technical-support-sla.Support request from a Pro standard plan user. https://mui.com/legal/technical-support-sla.

type: bugIt doesn't behave as expected.It doesn't behave as expected.

Status: Open.

#21045 In mui/mui-x;

· caillou opened on Jan 23, 2026

[docs] MCP server mui-mcp does not support resource listing

docsImprovements or additions to the documentation.Improvements or additions to the documentation.

scope: pickersChanges related to the date/time pickers.Changes related to the date/time pickers.

status: waiting for maintainerThese issues haven't been looked at yet by a maintainer.These issues haven't been looked at yet by a maintainer.

support: docs-feedbackFeedback from documentation page.Feedback from documentation page.

Status: Open.

#21036 In mui/mui-x;

· f1eeman opened on Jan 23, 2026