Patch Builder V133 <2026 Release>

You can wrap the CLI in a simple batch/shell script:

Windows .bat example:

@echo off
echo Applying patch...
xdelta3.exe -d -s "original.bin" "update.xdelta" "updated.bin"
echo Done.
pause

Optional: Use a patcher builder like:

If you are using the managed package (APT / Chocolatey / Homebrew tap): patch builder v133

# Linux
sudo apt update && sudo apt install patch-builder=133.0-1
patch-builder verify --deep fw_update.pb133
When the Log4j vulnerability (Log4Shell) was announced, official patches took weeks. Organizations using Patch Builder v133 could deploy a custom patch within hours that injected a JVM argument to disable JNDI lookups across all Java applications, bridging the gap until the official release.
Let's walk through a practical example: Creating a custom patch for the 64-bit version of Notepad++ (version 8.6). You can wrap the CLI in a simple
For issues not covered in docs, open a ticket with logs and trace ID from the JSON log output.

Would you like this adapted for a marketing email, a one-page PDF, or formatted as in-app changelog HTML?

patch-builder rollback --transaction-id $(cat /opt/firmware/.pb_transaction)
 Optional:  Use a patcher builder like:

Previous versions of Patch Builder relied on stateful builders. v133 introduces a purely functional, idempotent pipeline. Running the same source and target through the builder always produces the exact same patch binary—down to the last byte. This is achieved by:

Why it matters: You can now cache patches by content hash. No more “mystery drift” between CI/CD runs.