Here are some of their Release Notes:
Dual Mode: Design, Stream and Record Horizontal and Vertical Scenes
Version 4.5's biggest new feature is Dual Mode. Ecamm scenes can now include both horizontal and vertical layouts. Both layouts are automatically recorded, and can be streamed out to any platform. Ecamm even handles streaming both layouts to YouTube simultaneously.
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Introducing Grid View For Scenes
We've also added a new way to view and manage your Ecamm Scenes. Use the tiny view buttons at the top of the Scenes window to switch to Grid View and try it out now.
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There are several other new features to check out:
- Support for simultaneous streaming to platforms with different maximum resolution requirements. Go as big as you want! Ecamm will now handle encoding smaller streams for platforms that can't handle higher resolutions.
- Support for YouTube emojis and animated YouTube Super Stickers.
- Adds a slider in General preferences to increase the font size in outline windows such as Scenes and Overlays.
- Adds an option to stream and record with separate video encod
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Some Great information and Tutorials here: