I think everything went quite well and Weblate is now ready for 1.5 release. I'm slowly deploying it on my installations (unfortunately this release migration will need some noticeable downtime for bigger installations) and everything seems to work fine so far. I believe this is possible thanks to massive test coverage - all important code is covered by testcases.
So what you can expect in 1.5 release? The most visible change is probably new machine translation support, providing support for way more backends and allow you to plug in own services as well. The other changes include word counting (what might give you more idea how much work is remaining) or fancy progress bars in all places (they used to be available for translations only).
From the other side, Weblate can now run custom scripts to pre-process translations before commit, what can be used for various things from generating byte compiled files to sorting or cleaning up the translation files.
Also Weblate should be now much faster - there were dozen of optimizations done, leading to much lower press on database server.
PS: In case no problems appear, Weblate 1.5 should be released on Sunday.