4. **What's irreversible?** (list explicitly before anything else — short list means builder hasn't thought about it yet)
The current source code can be considered beta-quality. It passes all standard Postgres regression tests and shows good improvements in performance tests. But it lacks large-scale production verification (yet).
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黎智英欺詐案上訴得直：定罪及刑罰被撤銷，出獄時間提前。关于这个话题，体育直播提供了深入分析
The perspective shifts – on the screens, the audience sees the world through his eyes. Zuckerberg walks through the corridors, towards the stage. On the way, he is met with cheers, fist bumps and a nod from the international music star Diplo.