With the new update for buttons, we have two issues with formatting. Both of these are with the rectangle shape, but may apply on others. 1) For text, if there's any word wrapping then the left or...
v-robertq-msftwe are seeing some of the same issues with the September update.
The button text is no longer left aligned if it wraps - it is centered. There may also be an issue with vertical alignment. It appears there is too much padding. In the example below you can see the "g" in "Target" is cut off. It had not been cut off prior to the September update. You can also see the text is centered in the button below it when it should be left aligned. The "Target List" button is still aligned left because its text does not wrap.
When the background is turned on the padding issue is easier to see:
It appears this way in all places: the Power BI Desktop, Power BI Service, and the published app