The PlayStation 5 Pro PSSR upscaler is undergoing some rather quick development, as the solid implementation seen in a recent game isn't based on the latest version of the upscaler.
As reported on the ResetERA forums, Kingdom Come: Deliverance II, the second entry in the series released earlier this month, uses the upscaler's 9.60 version. While the high version number, by itself, suggests that PSSR has been undergoing plenty of development, as we previously only heard of much lower version numbers, a known developer on the ResetERA forums confirmed that version 9.60 isn't the upscaler's latest version, although they couldn't add more on the matter for the time being before checking if something changed in NDAs regarding the upscaler.
A few days earlier, the aforementioned developer also revealed some interesting information on the PlayStation 5 Pro PSSR upscaler which suggests that already available older games powered by Unreal Engine 4 may not support the upscaler beyond the initial version. According to the developer, UE4, by default, only supports the initial PSSR version, and with official support from Epic on the engine's updates not being available anymore, developers need to backport snippets of Unreal Engine 5 code to use newer SDKs and thus never versions of the PSSR more upscale. This is the reason some patches took time to implement more recent versions of the upscaler, and why some games may never get support for them, as this backporting of UE5 code requires time that some development teams may not have.
The PlayStation Spectral Super Resolution upscaler is only one of the many features that define the PlayStation 5 Pro. You can learn more about the system in our review.
About the author: Francesco De Meo has been covering video games and technology since 2012, starting his career at small outlets like Gamersyndrome and GeekSnack. After joining Wccftech gaming section in 2015, he quickly expanded his video gaming coverage with in-depth reporting, interviews with iconic industry figures such as Grasshopper Manufacture founder and No More Heroes creator Goichi "Suda51" Suda, Resident Evil series creator Shinji Mikami, Team NINJA's president and Nioh series director Fumihiko Yasuda, and Silent Hill creator Keiichiro Toyama, reviews and on-the-ground coverage of major industry events such as Gamescom and E3. When he's not reporting or reviewing, Francesco can be found playing the genres he loves most, spending time with his six cats, reading, writing music, playing guitar and drumming for his progressive rock band.
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