Adobe released yesterday the public beta of the next edition of its image prototyping application Fireworks CS4, web development application Dreamweaver CS4, and sound editing tool Soundbooth. Major enhancements in Fireworks CS4 include a new UI, CSS export, PDF export, support for Adobe’s new Adobe Type font engine, and AIR authoring tools. Dreamweaver CS4 on the other and adds a new live viewer for better display of content within Dreamweaver, a new related file manager for CSS, JavaScript, and XML navigation, enhanced CSS functionality, support for Photoshop Smart Objects, and Adobe AIR authoring tools as well.

These beta applications can be downloaded at Adobe Labs, holders of CS3 licenses can use the beta versions indefinitely until the official version comes out while non-CS3 license holders can try the applications for two days only. Check out Adobe Labs for more info.