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Engineering insights and development updates from the XTDB team

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Launching XTDB v2 — time-travel SQL database to simplify compliance

Today, we’re announcing the general availability of XTDB v2. A database with a mission.

Bitemporality
Jeremy Taylor
5 June, 2025
James Henderson

Building a Bitemporal Index (part 3): Storage

A technical deep-dive trilogy explaining how a bitemporal-aware database can handle and optimise for temporal data differently to general-purpose databases.

Deep Dive
6 May, 2025
Jeremy Taylor

UPDATE RECONSIDERED, delivered?

In 1977, just 3 years after SQL was born, the paper UPDATE RECONSIDERED was published. What can it tell us in 2025?

Bitemporality
14 February, 2025
James Henderson

[ANN] 2.0.0-beta6

Also a sneak peak at the upcoming beta7 release...

Releases
20 January, 2025
Eric Newcomer

The DIY Bitemporality Challenge

Guest blog post by Eric Newcomer (Intellyx) on the complexity of capturing change in traditional SQL databases

Data Compliance