Over the last several months, most of the changes to the Play Store have been on the smaller side, usually part of A/B tests to determine if individual tweaks to the interface would work better than others. An update began rolling out to users yesterday, bringing the current version up to 7.4. No significant changes seem to be turning up yet, but there are bits and pieces that hint at future plans.
Play Store v7.4 reveals a new My Apps screen, remote authorization for family purchases, and more [APK Teardown] was written by the awesome team at Android Police.