• Stalls are now detected by how fast the buffer fills, not just whether it moved.
• Resume after rebuffering adapts to what the device can actually rebuild; never slower than before.
• The rewind buffer comes out of spare capacity, so it can't crowd out the forward buffer.
• Disk prefetching hands the connection back the moment the player needs it.
• Prefetching stops re-downloading the same chunk when the cache can't retain it.
• Bios now show the actor's age when the title premiered, alongside their current age.
• Spanish bios are finally in Spanish — the age line and the article both.