# Blog posts from December 2012

* [Transloadit introduces progressive image rendering](/blog/2012/12/adding-support-for-image-interlacing.md)
* [Animated GIFs from PDFs with frame delays](/blog/2012/12/document-thumbs-now-supports-animation-delays.md)
* [Enhanced Bill Limit Alerts & flexible upload options](/blog/2012/12/improvements-for-bill-limits.md)