# April 2026 newsletter

DevFeed: [April 2026 newsletter](<https://devfeed.tech/articles/april-2026-newsletter-4900.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/202604-newsletter>)

Author: Mark Needham

Published: 2026-04-16T15:05:56Z

Content type: article

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>), [Command-line interface](<https://devfeed.tech/topics/cli.md>), [Database](<https://devfeed.tech/topics/database.md>), [agentic-coding](<https://devfeed.tech/topics/agentic-coding.md>), [cloud-infrastructure](<https://devfeed.tech/topics/cloud-infrastructure.md>), [Compression](<https://devfeed.tech/topics/compression.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [Sorting](<https://devfeed.tech/topics/sorting.md>), [WebAssembly](<https://devfeed.tech/topics/web-assembly.md>), [API keys](<https://devfeed.tech/topics/api-keys.md>), [OAuth](<https://devfeed.tech/topics/oauth.md>)

Tags: [agentic](<https://devfeed.tech/tags/agentic.md>), [agentic-coding](<https://devfeed.tech/tags/agentic-coding.md>), [api](<https://devfeed.tech/tags/api.md>), [api-keys](<https://devfeed.tech/tags/api-keys.md>), [authentication](<https://devfeed.tech/tags/authentication.md>), [blockchain](<https://devfeed.tech/tags/blockchain.md>), [cli](<https://devfeed.tech/tags/cli.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [compression](<https://devfeed.tech/tags/compression.md>), [data](<https://devfeed.tech/tags/data.md>), [kafka](<https://devfeed.tech/tags/kafka.md>), [networking](<https://devfeed.tech/tags/networking.md>), [newsletter](<https://devfeed.tech/tags/newsletter.md>), [observability](<https://devfeed.tech/tags/observability.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [real-time](<https://devfeed.tech/tags/real-time.md>), [sorting](<https://devfeed.tech/tags/sorting.md>), [webassembly](<https://devfeed.tech/tags/webassembly.md>)

## AI overview

The April 2026 ClickHouse newsletter covers recent developments in real-time data warehousing, including the 26.3 release, materialized CTEs, WebAssembly UDFs, asynchronous inserts, and JOIN reordering. It also introduces clickhousectl for local and cloud management, highlights agentic coding, describes Open House 2026, and reports on faster blockchain data backfills.

## Source excerpt

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