# SiteBuilder release notes
**Source**: https://warwick.ac.uk/services/idg/services-support/web/releases/sitebuilder/?newsItem=8ac672c79ce1eef7019ce2a6647e0366
**Parent**: https://warwick.ac.uk/services/idg/services-support/web/sitebuilder2/
[Show all news items](https://warwick.ac.uk/services/idg/services-support/web/releases/sitebuilder/)
## SiteBuilder 2.646 released
We released SiteBuilder version 2.646 on Thursday 12th March 2026. Changes in this version include:
- **[Image components](https://warwick.ac.uk/sitebuilder/manual/content/images/)** now automatically generate appropriately-sized versions of the image when a user visits the page, improving loading speed.
## Technical notes
### Bugs fixed
- [SBTWO-12701] - Pretty 404s for static files
- [SBTWO-12727] - Future feature support
### Improvements made
- [SBTWO-12507] - Make file 404s cheaper
- [SBTWO-12648] - Image component: add srcsets at runtime
- [SBTWO-12728] - Future feature support
Thu 12 Mar 2026, 15:24
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