Updates as marketing? Makes sense, but not well-executed by OP.
The update titles are good, but try focusing on the feature, not the “toil.” If I’m using your product and want the feature, you’re telling me what I already know. Keep text to a minimum.
Revised first example (duplicate button):
You can now create repeating events by clicking “Options > Repeat.” Sync with company holiday schedule to skip repeat events on holidays.