In July 2025, Ahmed Fayek Hassan enhanced the grafana/prometheus repository by expanding TSDB block statistics to improve observability and data quality. He implemented new BlockStats features in Go, adding a NumHistogramSamples field and increment logic to support per-block histogram statistics for histogram-encoded chunks. Ahmed also introduced a NumFloatSamples statistic, enabling more granular visibility into float sample distributions within TSDB blocks. His work focused on backend development, ensuring all changes were traceable and reproducible through well-documented commits. These enhancements support capacity planning and performance tuning, reflecting a thoughtful approach to extending monitoring capabilities and data analysis within Prometheus.