Confluent Platform 5.5 - Enhanced Event Streaming for All Developers

What this post added

This post introduces support for Protobuf and JSON schemas in Confluent Schema Registry, expanding its capabilities beyond Avro. It also adds support for customizable plug-in schemas for other formats. The post details the preview release of admin functions for Confluent REST Proxy, enabling programmatic administrative operations. Furthermore, it introduces exactly-once semantics for librdkafka-based clients (C/C++, Python, Go, .NET) through idempotent producers and transactions. Enhancements to ksqlDB 0.7 are also highlighted, including COUNT_DISTINCT, support for non-string keys, and improved pull query availability, along with the ksqlDB Flow View in Confluent Control Center.