Users may not see chart data when using standard light or dark themes on Power BI dashboards

Title: Users may not see chart data when using standard light or dark themes on Power BI dashboards User impact: Users may not have seen chart data when using standard light or dark themes on Power BI dashboards. More info: This display issue impacted the appearance of cartesian charts only, such as bar charts and line charts. Custom themes weren't impacted. Users could have chosen to keep the report theme when pinning charts or use any dashboard theme other than light mode or dark mode. Final status: We've updated the Title, User impact, and scope of impact statements of this communication to reflect that this also affected standard dark mode themes. Afer mitigating the previously identified blockers in our deployment pipeline, we've confirmed that our fix has fully deployed as expected and all users can now see chart data on Power BI dashboards that use any theme. Scope of impact: This issue may have impacted any user who was attempting to view data on a cartesian chart pinned to the Power BI dashboard with standard light theme or dark theme enabled. Start time: Sunday, September 27, 2026, at 12:00 PM UTC End time: Friday, October 9, 2026, at 6:00 AM UTC Root cause: A recent code change intended to unify font colors was incorrectly applied to the background color property for cartesian charts pinned to the Power BI dashboard, resulting in the data on these charts being illegible. Next steps: - We're continuing to develop important visual upgrades while optimizing our quality assurance checks to ensure a smooth user experience. This is the final update for the event.

Title: Users may not see chart data when using standard light or dark themes on Power BI dashboards User impact: Users may not see chart data when using standard light or dark themes on Power BI dashboards. More info: This display issue impacts the appearance of cartesian charts only, such as bar charts and line charts. As we develop our long-term remediation, users can choose to keep the report theme when pinning charts or use any dashboard theme other than light mode. Current status: We've encountered some blockers within our deployment pipelines, which we’re currently addressing, and it's taking longer than initially expected. We'll provide a mitigation timeline once available. Scope of impact: This issue may impact any user who was attempting to view data on a cartesian chart pinned to the Power BI dashboard with standard light theme or dark theme enabled. This information may be updated as our investigation continues. Next update by: Friday, October 9, 2026, at 8:30 PM UTC

Title: Users may not see chart data when using standard light or dark themes on Power BI dashboards User impact: Users may not see chart data when using standard light or dark themes on Power BI dashboards. More info: This display issue impacts the appearance of cartesian charts only, such as bar charts and line charts. As we develop our long-term remediation, users can choose to keep the report theme when pinning charts or use any dashboard theme other than light mode. Current status: We've completed development of the long-term fix for this issue, and we're expediting the process to deploy it to the affected environment. We anticipate the solution will be fully deployed by the time of our next scheduled update, and the results will aid in confirming the root cause. Scope of impact: This issue may impact any user who was attempting to view data on a cartesian chart pinned to the Power BI dashboard with standard light theme or dark theme enabled. This information may be updated as our investigation continues. Next update by: Thursday, October 8, 2026, at 8:30 PM UTC

Title: Users may not see chart data when using standard light or dark themes on Power BI dashboards User impact: Users may not see chart data when using standard light or dark themes on Power BI dashboards. More info: This display issue impacts the appearance of cartesian charts only, such as bar charts and line charts. As we develop our long-term remediation, users can choose to keep the report theme when pinning charts or use any dashboard theme other than light mode. Current status: We've identified that a recent code change has resulted in all data in charts pinned to the Power BI dashboard when choosing the light theme for chart display to show as black. We're developing a long-term fix for this issue, which we expect to be available by the time of our next scheduled communications update. Scope of impact: This issue may impact any user who was attempting to view data on a cartesian chart pinned to the Power BI dashboard with standard light theme or dark theme enabled. This information may be updated as our investigation continues. Next update by: Friday, October 16, 2026, at 10:00 PM UTC

Title: Users may not see chart data when using standard light or dark themes on Power BI dashboards User impact: Users may not see chart data when using standard light or dark themes on Power BI dashboards. Current status: We're investigating an issue with chart data visibility when using the light Power BI dashboard theme and checking for impact to your organization. We'll provide an update within 30 minutes.