S Pen Improvements
Samsung has continually improved its S Pen stylus and Galaxy Note 5 rumors continue to point to improvements over last year's Galaxy Note 4 S Pen.
While some rumors have hinted at vague improvements to the S Pen, others have been more specific. For instance, these new design rumors leave the door open for an S Pen that ejects automatically rather than manually. We know that Samsung has a patent for this feature so it's possible that we'll see it this year.
Another rumor out of China suggests that Samsung will include PDF support with the S Pen. It looks like this will be a software feature rather than an S Pen design feature which means that it might come to the Galaxy Note 4 down the road.
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