Jan 20, 2026

January Update: Fewer Workarounds, More Control for Power BI Developers

If you build Power BI reports for others, analysts, managers, executives, you already know the real challenge is not creating visuals. The challenge is making reports that explain themselves, scale to dense data, survive handover to other developers, and work without hidden hacks.

Get ZoomCharts Visuals for Power BI

Over the last release cycle, ZoomCharts focused on one clear goal: Turn common Power BI workarounds into first-class features.

Below is a quick overview of what’s new, followed by deeper context on why each update matters if you ship real reports, not just demos.

Donut and Pie Charts That Actually Communicate Performance

Donut and Pie charts are often dismissed. Not because they’re useless, but because they usually lack context. We fixed that.

Drill Down Donut PRO and Drill Down Pie PRO introduce advanced labelling and performance context to charts in Power BI, helping users quickly understand how categories perform against targets directly within the visual.

What’s new and why it matters:

Advanced label customization - control how category names, values, and percentages are displayed. Reorder label elements, place them on separate lines, apply custom fonts and backgrounds, or hide less important details to keep labels readable with dense data.

Category level reference markers -highlight positive or negative performance directly on the donut using visual indicators based on reference values, enabling faster interpretation without tooltips.

Built in KPI context (Only Donut) - display a KPI value in the center of the Drill Down Donut PRO visual that updates automatically with filters and drill down actions, keeping key metrics visible at all times.

Angled label connectors - use angled connectors that visually align with native Power BI visuals, improving readability and visual consistency across reports.

Why developers care:

No overlay KPI cards
No tooltip-only explanations
No fake measures built just to simulate benchmarks

Key use cases

Performance tracking against targets
Progress monitoring across categories
Executive and management reporting where clarity and context are critical

These enhancements make Drill Down Donut PRO and Drill Down Pie PRO powerful visuals for Power BI, combining drill-down interaction, KPI context, and flexible labelling in a single visual.

You can now build these visuals that explains performance at a glance, even in executive 4-IN reports. This is what turns a simple visual into a decision tool.

Graph Visual: Clear Risk Even When You Zoom Out

Dense datasets expose visual weaknesses fast, especially when users start from a high-level view.

New aura sensitization controls help manage how visual emphasis behaves at scale. In practice, this means zooming out no longer exaggerates or blends risk clusters:

Adjust how far auras extend around data points
Prevent blending when zoomed out
Preserve correct risk perception at overview level

This came directly from real risk and dependency analysis use cases, where visual overstatement leads to wrong conclusions.

For developers, this means:

More predictable behavior
Fewer “this looked wrong” questions
Safer default views for large datasets

How to enable in Power BI

Select a ZoomCharts Graph PRO visual
Open the Visualization pane
Go to Visual → Advanced Settings
Set Aura Cell Size, Aura Draw Limit and Aura Intensity

Combo Charts: Reference Lines Without Hacks

Previously, per-category targets required:

Extra measures
Hidden series logic
Fragile formatting tricks

Now you can:

Add reference values as a dedicated series
Select series type "Reference Line"
Fully customize width, style, and appearance

Result:

Cleaner models
Easier maintenance
Faster onboarding for other developers

What used to be clever is now simply usable.

This option is available for ZoomCharts Drill Down PRO visuals: Combo and Combo Bar

Waterfall Charts: Multiple Change Thresholds (Coming next)

Real-world financial and performance analysis rarely fits a single start-to-end story.

What’s coming:

Multiple change markers in one waterfall
Year-over-year comparisons
Sub-period analysis
Custom range comparisons

Instead of rebuilding visuals for each scenario, you’ll be able to express multiple change narratives in a single chart without re-modeling.

Interaction Improvements That Reduce Support Overhead

These updates focus on removing “how did you do that?” questions from your reports.

Legend items as filters instead of hide or show toggles
Drill-down breadcrumbs for orientation
Tooltip font and color control
Freely placed chart annotations

Each improvement removes a workaround and replaces it with a discoverable interaction users understand naturally.

Built for Developers Who Ship, Not Just Prototype

Every update in this cycle was driven by real customer requests, not internal experiments.

The product philosophy is simple:

If a feature requires 100 steps, people won’t use it
If it removes a workaround, it’s worth shipping

That’s how ZoomCharts is evolving, from powerful visuals to developer-grade building blocks for decision-centric reports.

If you build Power BI reports professionally, these updates unlock immediate value:

Start ZoomCharts and test the new features in your own reports
Use the Developer License to build freely in Power BI Desktop
Replace fragile hacks with our visuals so that your users can actually understand data
Build 4-IN reports