# May 2026 newsletter

DevFeed: [May 2026 newsletter](<https://devfeed.tech/articles/may-2026-newsletter-4901.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/202605-newsletter>)

Author: Mark Needham

Published: 2026-05-21T00:00:00Z

Content type: article

Language: en

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

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [observability](<https://devfeed.tech/topics/observability.md>), [telemetry](<https://devfeed.tech/topics/telemetry.md>), [tracing](<https://devfeed.tech/topics/tracing.md>), [migration](<https://devfeed.tech/topics/migration.md>), [Compression](<https://devfeed.tech/topics/compression.md>), [incident](<https://devfeed.tech/topics/incident.md>), [MCP Server](<https://devfeed.tech/topics/mcp-server.md>), [real-time](<https://devfeed.tech/topics/real-time.md>), [data](<https://devfeed.tech/topics/data.md>), [elasticsearch](<https://devfeed.tech/topics/elasticsearch.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [ai-agents](<https://devfeed.tech/tags/ai-agents.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [data](<https://devfeed.tech/tags/data.md>), [elasticsearch](<https://devfeed.tech/tags/elasticsearch.md>), [mcp](<https://devfeed.tech/tags/mcp.md>), [mcp-server](<https://devfeed.tech/tags/mcp-server.md>), [newsletter](<https://devfeed.tech/tags/newsletter.md>), [observability](<https://devfeed.tech/tags/observability.md>), [real-time](<https://devfeed.tech/tags/real-time.md>), [tracing](<https://devfeed.tech/tags/tracing.md>)

## AI overview

The May 2026 ClickHouse newsletter highlights observability work, including Qonto's migration from Grafana Tempo to ClickHouse Cloud for traces, logs, and events. It also covers an MCP-powered incident companion, agent telemetry integrations, agentic analytics in financial services, index-based pruning, and a critique of Elasticsearch for log analytics. The issue includes a community feature, Open House 2026 conference information, and the 26.4 release.

## Source excerpt

Welcome to the May 2026 ClickHouse newsletter, which will round up what's happened in real-time data warehouses over the last month.