KB485545: In MicroStrategy Web 2021 U4 the tooltip of the microchart in the modern grid visualization is displayed without formatting.

Starting with the release of Strategy ONE (March 2024), dossiers are also known as dashboards.
Steps to reproduce:

1. Create a dossier with modern grid visualization
2. Add a microchart with Trend Bars or Sparkline graph
3. Add a  value in the microchart
4. the value in the tooltip is displayed without formatting

Action:
This is a known defect in Strategy Web 2021 U4 that has been fixed in the 2021 U5. Please upgrade your environment to take advantage of the fix.