- Added text version for visually impaired users (issue #10)
- Math & statistics basics have been added to CS fundamentals (issue #22)
- Dimensional modelling has been added to Database fundamentals
- Added section for Object storage (issue #7)
- Azure CosmosDB has been added to Document databases
- Apache Impala has been moved from Batch processing to Data Warehouses
- Azure Synapse Analytics (issue #18) and ClickHouse (issue #24) have been added to Data Warehouses
- Lambda & Kappa architectures have been added to Cluster computing fundamentals (issue #31)
- Azure Data Lake has been added to Managed Hadoop
- Apache NiFi has been added to Hybrid data processing
- Cloud specific messaging services have been added to Messaging (issue #8)
- Luigi has been added to Workflow scheduling
- AWS CDK has replaced AWS CloudFormation in Infrastructure provisioning (issue #4, issue #6)
- Power BI has been added to data visualisation tools (issue #29)
- MLflow has been added to Machine Learning Ops (issue #30)