Where can I read OCCT patch notes?

This page lists official Steam announcements for OCCT, including the latest post "Update Notes for OCCT 17.0.14". Each entry links to the full changelog on Steam.

How many people are playing OCCT right now?

OCCT currently shows 101 concurrent Steam players on SteamScope. Player counts refresh on a rolling schedule — typically about every 30 minutes for high-priority titles.

How often are OCCT patch notes updated on SteamScope?

SteamScope ingests new Steam announcements as they are published. Check back after major updates, seasons, or balance patches to see fresh entries at the top of this feed.

Is OCCT patch note data official?

SteamScope republishes developer announcements sourced from Steam's public news feeds. SteamScope is not affiliated with Valve Corporation. Always verify critical gameplay changes on the official Steam announcement.

OCCT Patch Notes & News

Update Notes for OCCT 17.0.14

gautier.debreusteam_community_announcementspatchnotes

7h ago

OCCT 17.0.14 is available ! Changelog :

Enterprise : Fixed a bug where the schedule would fail to load storage tests with multiple mount points.

Enjoy !

Update Notes for OCCT 17.0.14

gautier.debreusteam_community_announcementspatchnotes

7h ago

OCCT 17.0.14 is available ! Changelog :

Enterprise : Fixed a bug where the schedule would fail to load storage tests with multiple mount points.

Enjoy !

Update Notes for OCCT 17.0.12

gautier.debreusteam_community_announcementspatchnotes

14d ago

OCCT 17.0.12 is available ! Changelog :

Memory : Improved test reliability and maintainability

Enjoy !

Update Notes for OCCT 17.0.11

OCBASE/OCCTsteam_community_announcementspatchnotes

18d ago

OCCT 17.0.11 is available ! Changelog :

Main : Fixed : Steam API should now initialize properly on Windows, and present the proper purchase option in the steam edition of OCCT

Enjoy !

Update Notes for OCCT 17.0.10

OCBASE/OCCTsteam_community_announcementspatchnotes

18d ago

OCCT 17.0.10 is available ! Changelog :

Main : Fixed : The steam edition would display Patreon membership options and not Steam

Enjoy !

Update Notes for OCCT 17.0.9

OCBASE/OCCTsteam_community_announcementspatchnotes

23d ago

OCCT 17.0.9 is available ! Changelog :

Main : Fixed : OCCT will now properly launch when your temp path or folder containing OCCT has a space in it. Thanks Paimon !

Enjoy !

Update Notes for OCCT 17.0.8

OCBASE/OCCTsteam_community_announcementspatchnotes

23d ago

OCCT 17.0.8 is available ! Changelog :

Main : Fixed : OCCT will now properly start when there's a non-ascii character in your windows username

Enjoy !

Update Notes for OCCT 17.0.7

OCBASE/OCCTsteam_community_announcementspatchnotes

25d ago

OCCT 17.0.7 is available ! Changelog :

Main : Revamped the security features in the upload to make them more reliable
Main : Fixed : the auto-update would fail if OCCT was stored in another disk than its temp folder
Main : Fixed : Used more reliable copy functions for the auto-updater that clash less with antivirus scanning and all
Main : The auto update fixes will apply when updating from 17.0.7 to future versions. You might need to manually update if it fails for you to 17.0.7. Should be the last time.

Enjoy !

Update Notes for OCCT 17.0.6

OCBASE/OCCTsteam_community_announcementspatchnotes

26d ago

OCCT v17.0.6 is available ! Changelog :

Main : Fixed : OCCT diagnostic would dupe monitoring values during a remote session
Memory : Fixed : There was a slight chance that the hash was missing under heavy load, preventing upload. This was more prevalent on older setups.
Gpu3DAdaptive : Fixed : 3D Adaptive upload mechanism will now work 100% of the time

Enjoy !

Update Notes for OCCT 17.0.5

OCBASE/OCCTsteam_community_announcementspatchnotes

28d ago

OCCT 17.0.5 is Available ! Changelog :

Pro : Fixed : The CSV file was empty when a report was generated in Pro and Enterprise editions

Enjoy !

Update Notes for OCCT 17.0.4

OCBASE/OCCTsteam_community_announcementspatchnotes

29d ago

OCCT 17.0.4 is available ! Changelog :

Main : Fixed : When the last known state following a crash was corrupted, OCCT would refuse to start
Main : The last known state will now use a rolling scheme to ensure it is more reliable and more often displayed
Main : The auto-updater will now retry when it cannot update the current exe file in case it is locked by the antivirus or another program
Monitoring : Older AMD CPUs will now use TCTL/TDIE sensors in the top monitoring bar

Enjoy !

Update Notes for OCCT 17.0.3

OCBASE/OCCTsteam_community_announcementspatchnotes

34d ago

OCCT 17.0.3 is available ! Changelog :

Main : Fixed : 17.0.2 numbering was off, leading to it believing it's a beta when it's a stable version. Thanks Oliver !

Enjoy !

Update Notes for OCCT 17.0.2

gautier.debreusteam_community_announcementspatchnotes

34d ago

OCCT 17.0.2 is available ! Changelog :

Memory : Added the "AM5 Margin Probe" preset, winner of the memory preset contest. Congrats !

Enjoy !

Update Notes for OCCT 17.0.1

OCBASE/OCCTsteam_community_announcementspatchnotes

35d ago

OCCT 17.0.1 is available ! Changelog :

Main : Fixed : OCCT would refuse to start under windows if the exe file name contained a space

Enjoy !

Update Notes for OCCT 17.0.0

OCBASE/OCCTsteam_community_announcementspatchnotes

35d ago

OCCT v17.0.0 is available ! Changelog :

Main : Revamped the structure of OCCT's startup from the ground up. We now use a custom, auto-extractible package bringing many benefits
Main : Optimized startup time by about 10 to 30%
Main : 15 to 30% lowered memory usage of the GUI
Main : Binary size reduced by 30%
Main : Auto update has been revamped to be much more reliable
Main : Fixed : OpenCL adapters could appear twice in the list due to some drivers not following the specs. We actively dedupe them now. Applies to VRAM and Compute
Monitoring : Updated engine
Monitoring : OCCT will now periodically dump data to disk rather than memory, lowering the memory usage of the app mid-certificates
Monitoring : Revamped the "save state to disk" feature : the last known state popup will now be MUCH more reliably displayed in case of a crash
Memory : Introducing our new Modular Memory test ! Instead of going a fixed routine, build your own using 18 different blocks from TM5, Memtest, our team, allowing you to customize and target your specific scenarios for Memory testing
Memory : Embedded presets allows you to quickly get started with 6 known tests made by our team or by the community targeting max Heat dissipation on the sticks, a replica of what TM5 is doing, bit fade detection, etc.
Memory : Error reporting now reports faulty bits instead of faulty 64-bit erroneous bits. Error count will probably get larger from now on.
Enterprise : Command line parameters now accept ~ and environment variables under Linux

Enjoy !

Update notes for OCCT 16.1.10

OCBASE/OCCTsteam_community_announcementspatchnotes

82d ago

OCCT 16.1.10 is available ! Changelog :

Main : Fixed : Closing the window while a test was running was sometimes not closing the test properly
Main : Fixed : The last status window was not being shown during a CPU only test under specific conditions

Enjoy !

Update notes for OCCT 16.1.9

OCBASE/OCCTsteam_community_announcementspatchnotes

101d ago

Changelog for OCCT 16.1.9 :

Monitoring : Updated HwInfo to bring more compatibility and avoid some crashes in (thankfully) rare cases.

Enjoy !

Update notes for OCCT 16.1.7

OCBASE/OCCTsteam_community_announcementspatchnotes

117d ago

OCCT 16.1.7 is available ! Changelog :

Main : Fixed : Server-grade GNR were not properly detected and displayed as Workstation CPUs, leading to either a crash or bogus data being displayed.
Monitoring : Ongoing fix : Some asus motherboards have a bad implementation or bad batch of a USB-C chip that makes HwInfo crash upon initialization. Banning those motherboard models will probably take some updates. Please report any initialization issue so we can forward the info to our pals from HwInfo and help them filter them out !

Enjoy !

Update Notes for OCCT 16.1.5

OCBASE/OCCTsteam_community_announcementspatchnotes

124d ago

OCCT 16.1.5 OUT ! Changelog :

Main : Fixed : A crash would occur on some Asus board when loading monitoring
Monitoring : Updated Monitoring engine

Enjoy !

Update Notes for OCCT 16.1.4

OCBASE/OCCTsteam_community_announcementspatchnotes

124d ago

OCCT 16.1.4 OUT ! Changelog :

Main : Tentative fix : Granite Rapids Server CPUs were wrongly detected as GNR-WS CPUs, leading to issues with the System tuning section
Memory : Fix : A typo in the language files could cause issues in displaying the latency bandwidth write result in custom mode

Enjoy !

OCCT 16.1.3 is available !

OCBASE/OCCTsteam_community_announcementspatchnotes

126d ago

OCCT 16.1.3 is available ! Changelog :

Main : Fixed : some EPYC AMD processor were wrongly recognized by the system tuning section on Linux

Enjoy !

OCCT 16.1.2 released !

OCBASE/OCCTsteam_community_announcementspatchnotes

126d ago

OCCT 16.1.2 is now available ! Changelog :

Main : Fixed UI on steam deck
Main : Resumed steam version upload ( Sorry ! )

Enjoy !

Update Notes for OCCT 15.0.13

OCBASE/OCCTsteam_community_announcementspatchnotes

223d ago

OCCT 15.0.13 is available ! Changelog :

Main : New skin available in partnership with Mono ! Enjoy OCCT with his very iconic avatar.
Main : Merry Christmas everyone !

Enjoy !

Update notes for OCCT 15.0.12

OCBASE/OCCTsteam_community_announcementspatchnotes

225d ago

OCCT 15.0.12 is available ! Changelog :

Vram : Fixed : The test would revert adapters from All to Specific when a schedule was loaded
Ui : Fixed : The background color for the test executing was off in the OCCT skin
Enterprise : Fixed : The combined test with a GpuCompute test would launch a 3D Adaptive test instead
Main : Fixed : Storage debug schedules were not supported in OCCT Diagnostic
Main : Fixed : When you had 20+ diagnostic schedules, the scroll was missing. Not sure it happened in real life, but at least, now it won't :)
CpuBenchmark : Fixed : running a benchmark, going to another benchmark and switching back would cause the message "please run a benchmark" to be displayed

Enjoy !

Update Notes for OCCT 15.0.9

OCBASE/OCCTsteam_community_announcementspatchnotes

246d ago

OCCT 15.0.9 is available ! Changelog :

Memory : Fixed : Only the first 64 cores of CPUs with more than 64 cores were used

Enjoy !

Update Notes for OCCT 15.0.8

OCBASE/OCCTsteam_community_announcementspatchnotes

258d ago

OCCT 15.0.8 is available ! Changelog :

Gpu3DAdaptive : Fixed : Lengthened the initialization period of 3D Adaptive due to Intel drivers being slow to kick in their game frequencies. The scaling now properly works on ARC GPUs
Report : Removed Social network icons from the offline report
Report : Imprioved offline report comparison : sensor matching now takes into account device names and type when matching sensors for comparison
Report : Fixed : When comparing reports with different numbers of GPUs, the report would sometimes display an error

Enjoy !

Update notes for OCCT 15.0.7

OCBASE/OCCTsteam_community_announcementspatchnotes

274d ago

OCCT 15.0.7 is available ! Changelog :

Main : Fixed : Saving the debug information under Linux could result in an app crash
Main : Fixed : OCCT will now properly cycles through temp folder when juggling with permissions ( root / non-root )
Gpu3DAdaptive : Fixed : A regression would prevent the test from initializing properly with root privileges under Linux
Gpu3DAdaptive : Greatly improved scaling - Intensity is now closer to real GPU Usage ( Beware of GPU Utilization sensors with AMD cards, they report bogus values, check power consumption / frequencies instead)
Gpu3DAdaptive : Coil whine sounds should be louder and more distinguishable (it is the case internally)

Enjoy !

Update notes for OCCT 15.0.6

OCBASE/OCCTsteam_community_announcementspatchnotes

278d ago

OCCT 15.0.6 is available ! Changelog :

Main : All our GPU test will now report which GPU they were running on when crashing
Main : Fixed : the Combined test was reporting a success status even if one of its test crashed ( errors were reported correctly )

Enjoy !

Update notes for OCCT 15.0.5

OCBASE/OCCTsteam_community_announcementspatchnotes

279d ago

OCCT 15.0.5 is available ! Changelog :

Benchmark : Fixed : benchmarks wouldn't stop executing when upload to ocbase was disabled

Enjoy !

Update Notes for OCCT 15.0.4

OCBASE/OCCTsteam_community_announcementspatchnotes

286d ago

OCCT 15.0.4 is available ! This important update fixes a very tough issue where OCCT, when launched from Steam under Linux, would refuse to start. The compatibility layer of Steam was at fault. Thank you for the reports and patience ! We're sorry it took us a few days to fix, it was not an easy one. Changelog :

Main : Fixed : OCCT would refuse to start on Steam+Linux due to a failure in enumerating storage devices.
Ui : Fixed : The waiting dialog had an ugly border around the background
Benchmark : Fixed : Upload would never stop when doing it without a license

Enjoy !

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