New Update Sandboxie-Plus v1.17.8 / 5.72.8 Latest

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Release v1.17.8 / 5.72.8 Latest
Sandboxie Plus 1.17.8 / Sandboxie 5.72.8 is now available with a collection of compatibility improvements, stability fixes, and quality-of-life enhancements.

This release introduces a new configuration option, DisableCustomTitleOpt, which gives users finer control over Sandboxie’s window title marking behavior. In the past, Sandboxie intentionally avoided adding its sandbox indicators to certain applications that use heavily customized title bars, such as those built with Delphi VCL, Qt, or Electron, because doing so could trigger excessive Desktop Window Manager repaints and high CPU usage. With the new option, advanced users can selectively re-enable title markers for these applications when desired.

The bundled ImDisk driver has also been updated to version 3.0.2, bringing the latest improvements and fixes from the upstream project.

Several issues reported by the community have been addressed in this build. Logging has been refined to suppress entries related to expected non-user security identifiers, helping reduce unnecessary noise in the trace logs. A problem affecting the "Run as Administrator" functionality, which could result in SBIE2218 and SBIE2219 service errors, has been corrected. In addition, a compatibility issue that could cause Windows Explorer to crash inside an Application Compartment environment when Huorong Security software was installed has been resolved.

For a full list of changes please review the change log.

You can support the project through donations, any help will be greatly appreciated.
If you have issues with an update installation, just uninstall the previous version keeping the sandboxie.ini and reinstall the new build.

https://github.com/sandboxie-plus/Sandboxie/releases/tag/v1.17.8
https://www.wilderssecurity.com/threads/sandboxie-plus-v1-17-8.460111/
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Thanks for posting the release notes. From a security/support perspective, the main takeaways in this build are straightforward and mostly about stability/compatibility rather than new “security features.”

Notable changes (practical impact)
  • New option: DisableCustomTitleOpt – This controls Sandboxie’s window title marking behavior for apps with heavily customized title bars (common with Delphi VCL, Qt, Electron).
  • Reason it matters: title marking was previously avoided for those apps to prevent excessive DWM repaints and high CPU usage. Re-enabling markers can be useful for visibility, but if someone flips this on globally, it can reintroduce the performance problem on affected apps.
  • ImDisk bundled driver updated to 3.0.2 – Generally a good thing (bugfixes/upstream improvements). As with any driver change, if someone experiences odd mount/ramdisk behavior after updating, that’s a likely area to review first.

Fixes worth highlighting
  • “Run as Administrator” issue fixed – addresses SBIE2218 / SBIE2219 service errors. If someone was hitting those when elevating inside Sandboxie, this update is particularly relevant.
  • Reduced log noise – suppresses expected entries related to non-user SIDs. This doesn’t change security posture by itself, but it makes trace logs more readable when troubleshooting.
  • Explorer crash compatibility fix – resolves a crash inside an Application Compartment setup when Huorong Security was installed. Good example of a real-world compatibility edge case being handled.

Update hygiene (low-risk best practice)
  • If the installer update fails, the suggested approach (uninstall while keeping sandboxie.ini, then reinstall) is reasonable.
  • After updating, it’s sensible to verify your sandbox templates/settings still behave as expected (especially if you rely on title markers to avoid confusion between sandboxed and unsandboxed windows).
  • If you change DisableCustomTitleOpt, do it incrementally and watch for DWM/CPU spikes with the specific app(s) you care about, rather than enabling it broadly.

Sources
 

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