I haven't been following P development very closely. It looks like they added it back in Beta 3. https://news.softpedia.com/news/android-p-beta-3-returns-the-

I haven't been following P development very closely. It looks like they added it back in Beta 3. https://news.softpedia.com/news/android-p-beta-3-returns-the-back-button-and-brings-more-improvements-521817.shtml https://news.softpedia.com/news/android-p-beta-3-returns-the...