v1.15.2 - Fix Aggregation Edge Case

Breaking Changes

none

New Features

none

Fixes

• Fix nil pointer error on empty aggregate group (accidentally introduced in v1.15.1)

Internal Fixes or refactors

• Improve weaviate docker image build time by @parkerduckworth in #2219
• Move hnsw.UserConfig to entities pkg by @parkerduckworth in #2218
• Add a simple way to determine memory usage percentage by @etiennedi in #2220
• Testmatrix for aggregation - array data types by @aliszka in #2234

Full Changelog: v1.15.1...v1.15.2