https://cwiki.apache.org/confluence/display/FLINK/FLIP-392:+Deprecate+the+Legacy+Group+Window+Aggregation
FLIP-392: Deprecate the Legacy Group Window Aggregation - Apache Flink - Apache Software Foundation
the legacywindow aggregationapache flinkflipdeprecate
https://softwarepatternslexicon.com/data-modeling/time-series-data-modeling/sliding-window-aggregation/
Sliding Window Aggregation | Software Patterns Lexicon
May 15, 2026 - Calculating aggregates over overlapping moving windows for recent-state analytics and monitoring.
sliding windowaggregationsoftwarepatternslexicon