I’m sure you know all that, but I have to say it. The final stable release will have the version number 3.0 but you may still see version 2.99.x in the About dialog in release candidate build ↩︎ ...
Ubuntu’s Paride Legovini confirms that “dpkg-buildflags defaults to -O3 instead of -O2. This might require changes in package builds. Please be aware that we already build with -O3 on ppc64el, so look ...