@enrikre here are some bug reports and feature requests in the repo. Let us know if anything looks missing 
- Discussions · grafana/grafana · GitHub
- Time-series panel: multiple y-axis of same unit · Discussion #38242 · grafana/grafana · GitHub
- Time Series panel: Multiple y-axes without changing units? · Discussion #39619 · grafana/grafana · GitHub
- Single right-aligned y axis loses gridlines · Issue #38674 · grafana/grafana · GitHub
- Time Series panel: Y-axis disappears on big values (quintillion and more) · Issue #39882 · grafana/grafana · GitHub
- Time series: number of y-axis ticks on small panels · Issue #39359 · grafana/grafana · GitHub
- Stacked negative values do not paint fill in New time series graph panel · Issue #36151 · grafana/grafana · GitHub