HeatWave User Guide
        
- MySQL HeatWave AutoML adds support for multivariate endogenous forecasting models, and exogenous forecasting models. (WL #15511) 
- The - rpd_tablestable now supports recovery time measurement with- RECOVERY_SOURCE,- RECOVERY_START_TIMESTAMPand- RECOVERY_END_TIMESTAMP. The- performance_schema.global_statusnow includes the- rapid_recovery_timevariable. (WL #15441)
- Arithmetic operators are now supported with variable-length encoded string columns. Mathematical functions are now supported with variable-length columns. (WL #15405)