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What’s new in the xViz Gantt Chart for Power BI 

Prachi Mishra
March 10, 2025

Clear and impactful visualizations are an invaluable tool for transforming complex datasets into actionable insights. The latest version of xViz Gantt Chart delivers even greater clarity and flexibility, empowering users to make informed decisions with confidence. This update includes key feature enhancements that improve data visualization, interactivity, and reporting accuracy, making it easier to analyze project timelines at a glance. 

In this blog post, we’ll walk through the latest enhancements and how they elevate reporting in Power BI.  

1. Support for custom images & icons in Milestones 

Restrictions on predefined shapes in the visual configuration while plotting Gantt Charts in Power BI is a thing of the past. Now, you can upload any icon or image of your choice — company logos, team symbols, or unique graphics — to perfectly match your project’s context. Here is an example:

Custom Icons used to represent Milestones on the bars in xViz Gantt Chart

Custom Icons used to represent Milestones on the bars in xViz Gantt Chart 

Tailor milestone markers help to highlight different event types — like a product launch icon, approval stamp, or team avatar — for quick, intuitive understanding. Move beyond standard shapes by adding personalized images that draw attention to key events and make your Gantt chart more engaging. It helps stakeholders instantly grasp the significance of each milestone. 

Read more about this configuration on our technical documentation here.  

Fiscal Year, Quarter-Year and Week numbers in xViz Gantt Timeline Header

Fiscal Year, Quarter-Year and Week numbers in xViz Gantt Timeline Header 

Month, Week numbers and Date with week day name in xViz Gantt Chart Timeline Header

Month, Week numbers and Date with week day name in xViz Gantt Chart Timeline Header

Here is how you can configure the formats as per your dashboard user preferences.  

2. Show tooltip on Milestones 

One of the most requested features has been the ability to show Power BI tooltips for individual milestones. With the new "Individual Tooltip" option, tooltips now appear separately for bars and milestones, while hovering over data rows—outside of bars and milestones—shows no tooltips. 

Tooltip on milestones in xViz Gantt Chart

Tooltip on milestones in xViz Gantt Chart

Option enabling Tooltip on Milestones

Option enabling Tooltip on Milestones

This option helps stakeholders to understand the exact context of each milestone or task without overlapping information. It makes it easier to interact with complex project timelines by isolating tooltips for bars and milestones, improving user focus. It also reduces clutter by showing tooltips only where relevant, keeping the chart clean and preventing unnecessary pop-ups when hovering over empty areas. 

3. Show conditional formatting rule in the Legend 

Now you can also show the colors, shapes, and icons driven by conditional formatting rules in the Legend: 

Conditional Formatting rule indicator in xViz Gantt Chart Legend

Conditional Formatting rule indicator in xViz Gantt Chart Legend

Quickly understand what each color or symbol represents, making it easy to interpret project statuses, priorities, or risk levels at a glance. It helps stakeholders spot patterns, like overdue tasks or milestones at risk, without digging through data. It reflects your conditional formatting logic directly in the legend, aligning with your project’s unique rules and workflows. 

Learn more about this option here.  

4. Ability to customize the title of the Legend 

You can now add and customize the title of the Legend shown for Milestones and Conditional Formatting rules.  

Customized Legend Title in xViz Gantt Chart

Customized Legend Title in xViz Gantt Chart

Option where customized Legend title must be provided

Option where customized Legend title must be provided

Use meaningful titles that match your project's terminology, helping stakeholders instantly understand what the legend represents. Tailor titles to highlight key metrics — like "Task Status," "Risk Levels," or "Phase Indicators" — making the chart more intuitive. 

Level up your enterprise timeline reporting with xViz Gantt Chart (Certified) for Power BI today and try it for free on Microsoft AppSource.  

xViz
About xViz!
xViz is a leading provider of advanced enterprise-grade visuals for Microsoft Power BI. The powerful, intuitive, and customizable data visualization experience of xViz, maximizes the potential of the data and elevates analysis to new heights. This product is developed by Lumel Technologies (formerly Visual BI), which has a decade of experience in building add-on solutions on top of BI platforms (SAP BI and Power BI) with our suite of innovative products such as Inforiver, xViz and ValQ.
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