v0.5.7

Features

• Add numerical feature support for factorization machines (#1212).
• Support negative feedback type (#1215).

Fix

• Fix deadlock in HNSW insert (#1203).
• Fix divide by zero in progress calculation (#1208).
• Fix MariaDB cache storage initialization (#1219).
• Fix mixed numeric types in embedding vectors (#1222).
• Fix Redis Cluster prefix validation for cache storage (#1228).
• Use $top operator for stable MongoDB time series query (#1226)
• Implement user-specific locks to prevent concurrent append in AddFeedback (#1221)
• FIx timestamp round for MySQL (#1233)