Two ways the console could crash, fixed — and RAR uploads that don't fill up your PC.
- The helper no longer shuts down your console's system UI. Reading a
temperature goes through the PS5's system UI, and if that took too long
— most likely when a game had been running for hours — the helper would
shut it down, leaving you with a black screen and pulling the power
cord. This is the most likely cause of the 5.2.1 lockup reports on
firmware 12.40. It has not been reproduced on hardware, so it is a
strong suspect rather than a confirmed fix. - Renaming a file between two drives over FTP no longer crashes the
console. On the PS5 this kind of rename takes the whole system down
instead of just failing. It is now refused with a clear message — copy
the file and delete the original instead. - Multi-part RAR uploads tell you which part is missing, by name,
instead of repeating advice you may have already followed. - RAR uploads can use far less disk space on your PC. A
.rarused to
be extracted in full before anything was sent, so a 100 GB game needed
100 GB free. SettingFTX2_ARCHIVE_STAGE_MB=4096on the engine sends it
in ~4 GB batches instead. Off by default — the original way is still
better on a slow or unreliable connection, because only it can resume
anywhere in the archive. - New FAQ answers: moving a save between two consoles, "Port 9021 is
not open", PS4 update packages that won't install, and the new FTP
rename message. - Dependency updates.