PS Vita Firmware 3.68 Update earlier this week and their previous PS4 OFW, it appears Sony is once again on the warpath with yet another PS4 System Software / Firmware 5.53 update which 'improves system performance' via patching more holes that could be exploited by PS4 hackers to allow jailbreaking and homebrew... so needless to say, DON'T UPDATE!
Download: PS4 Firmware 5.53 Update (US) / PS4 Firmware 5.53 Update (EU) / PS4 Firmware 5.53 Update (UK) / PS4 Firmware 5.53 Update (AU/NZ) / PS4 Firmware 5.53 Update (JP)
Update: PlayStation scene developer @Mathieulh confirmed on Twitter that PS4 OFW 5.53 fixes the currently available WebKit Exploit, and those interested in comparing revisions can grab the latest 5.53 WebKit here: webkit-601_2_7-553.zip (788 MB)
To quote from Sony's Official Page on the 5.53 OFW changes: Main features in version 5.53 update
As always, we'll update this article throughout the day as PlayStation 4 developers examine 5.53 OFW and share their findings with the PS4 scene... and for those new here are guides on How to Block PS4 Firmware Updates, How to Delete Downloaded PS4 Update PUPs that haven't been installed yet, How to Update to a Specific PS4 Firmware and also some PS4 HEN Update Blocker Payloads.
- This system software update improves system performance.
Cheers to @DEFAULTDNB also for the heads-up on this news!