At the beginning of this month, Oracle quietly rolled out MySQL 9.0 as an “Innovation Release” focusing on new features rather than production usage, aligning with MySQL 8.0.38 and 8.4.1 LTS currently in use.
The new features in MySQL 9.0 are not abundant. There are just minor bug fixes in several areas. Notable additions in the HeatWave version that requires payment include support for Vector data types and writing routines with JavaScript Stored Programs.
The direction of MySQL has been gradually introducing fewer new features, leading former MySQL employee Peter Zaitsev to criticize Oracle’s focus on developing new features for HeatWave, a commercial data platform based on MySQL. This shift has resulted in fewer innovations in the open-source MySQL version, as most new developments have moved to HeatWave.
Source: MySQL, InfoWorld, The Register
TLDR: Oracle quietly released MySQL 9.0 as an “Innovation Release” with minimal new features, shifting focus towards the paid HeatWave platform and causing criticisms from industry experts.
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