GitHub user sfirke created a discussion: eCharts Histogram chart lacks features 
of Legacy Histogram chart

Here's the chart in 4.1.4. It has a nice tooltip and starts the bottom range at 
0, which is clean:
<img width="1262" height="461" alt="image" 
src="https://github.com/user-attachments/assets/5d36efc7-72de-4b27-bc72-1f5c5dd66ece";
 />

Here's the same chart auto-migrated to the newer Histogram type in 6.0.0:
<img width="1192" height="677" alt="image" 
src="https://github.com/user-attachments/assets/ffc679d3-8e05-4236-8a39-2c08ee76e946";
 />

Problems that could use improvements:
-The column name is the tooltip label, I want it to say "count" but it says 
"days_active" which is confusing. Ideally the user could specify this text.
- The ranges are awkward. -5 to 107.27 is the default first bucket of the 
histogram? 0-100 was much cleaner.
- The "Results" section below the chart just says "undefined" in every cell

I think it's okay that the cumulative and percentile tooltip stats went away 
since there's now buttons "cumulative" and "normalize" in the chart controls.

This could arguably be a bug report given the "undefined" aspect but mostly 
it's a request for a feature.

GitHub link: https://github.com/apache/superset/discussions/36533

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