# May 2025 Newsletter

DevFeed: [May 2025 Newsletter](<https://devfeed.tech/articles/may-2025-newsletter-4889.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/202505-newsletter>)

Author: Mark Needham

Published: 2025-05-15T00:00:00Z

Content type: news

Language: en

Sources: [ClickHouse Blog](<https://devfeed.tech/sources/clickhouse-blog.md>)

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [real-time](<https://devfeed.tech/topics/real-time.md>), [data-engineering](<https://devfeed.tech/topics/data-engineering.md>), [MCP](<https://devfeed.tech/topics/mcp.md>)

Tags: [2025](<https://devfeed.tech/tags/2025.md>), [analytics](<https://devfeed.tech/tags/analytics.md>), [aws](<https://devfeed.tech/tags/aws.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [cloud-native](<https://devfeed.tech/tags/cloud-native.md>), [community](<https://devfeed.tech/tags/community.md>), [data](<https://devfeed.tech/tags/data.md>), [data-engineering](<https://devfeed.tech/tags/data-engineering.md>), [events](<https://devfeed.tech/tags/events.md>), [mcp](<https://devfeed.tech/tags/mcp.md>), [newsletter](<https://devfeed.tech/tags/newsletter.md>), [real-time](<https://devfeed.tech/tags/real-time.md>), [training](<https://devfeed.tech/tags/training.md>)

## AI overview

The May 2025 ClickHouse newsletter covers ClickHouse query optimization, its use by Microsoft Clarity, MCP and real-time analytics, viewer retention metrics, community contributions, upcoming conferences, training sessions, and regional events.

## Source excerpt

Welcome to the May ClickHouse newsletter, which will round up what's happened in real-time data warehouses over the last month.