See 3.0 changes in RC1 release notes.

Changes since RC1:

• CachedPlatform requires IPlatform instead of Connection (BC break!)
• more Connection methods moved to IConnection (BC break!)
• Row: removed numerical array access (BC break!), see #55
• SQL Server: fixed unique constraint violation detection
• SQL Server: disable explain queries for debug panel
• PHPDOC fixes, PHP 7.2 CI testing, aded PhpStan analyzer
• See full commit changelog since 3.0-RC1 version.

I'm really sorry for BC breaks in the RC phase, will do better next time.