Kibana 7.16.3 in latest Firefox and Brave (chromium) browser
Steps to reproduce:
- app/visualize
- create
- aggregation based
- line
- select a saved search
- aggregation: percentiles
- field: any number field
- bucket: add x-axis
- aggregation: date histogram
- update
If you adjust aggregation to count, the y-axis labels are visible again.
Note: Existing percentiles visualizations are still working correctly.