NVIDIA JetPack Documentation
Release Notes - v - Last updated February 2, 2023

1. JetPack 5.1

1.1. New Features

NVIDIA JetPack 5.1 is a production quality release and and brings support for Jetson Orin NX 16GB production module. JetPack 5.1 includes Jetson Linux 35.2.1 BSP with Linux Kernel 5.10, an Ubuntu 20.04 based root file system, a UEFI based bootloader, and OP-TEE as Trusted Execution Environment. JetPack 5.1 includes the latest compute stack on Jetson with CUDA 11.4, TensorRT 8.5.2, cuDNN 8.6.0, and VPI 2.2. See highlights below for the full list of features.

This release supports Jetson AGX Orin 32 GB production module, Jetson Orin NX 16GB production module, and Jetson AGX Orin Developer Kit. It also supports Jetson AGX Xavier series and Jetson Xavier NX series modules, as well as Jetson AGX Xavier Developer Kit and Jetson Xavier NX Developer Kit.

2. Additional Release Details

2.1. OS

L4T 35.2.1

Refer to Jetson Linux release notes of L4T 35.1 for details

Highlights:

  • Adds support for Jetson Orin NX 16GB production module

  • Security

  • Over The Air Updates:

    • Image Based OTA tools with A/B support to upgrade Jetson AGX Xavier or Jetson Xavier NX modules running JetPack 4.x releases.

    • Image Based OTA tools to upgrade Jetson Orin modules will be released with the next release.2

  • Display:

    • Fixes for HDMI 2.0 and DP compliance

  • Camera:

    • Support for AR1335 YUV camera

    • Enhanced support for simultaneous V4l2 and Argus

    • New Argus Demosaic (argus_demosaicOutput sample) to output RGB supported on Orin

    • New Argus RAW reprocessing (syncStereoRawReprocess sample) to read Bayer raw images from file and provide reprocessed YUV output to file

    • Updated Argus SyncSensorCalibrationData extension with enhanced EEPROM Calibration data to support Camera Module Serial Number, and IMU Noise Parameters

  • Multimedia:

    • TAQ (Temporal Adaptive Quantization) support is extended to H264 encoder

1 Signing boot firmware upto UEFI supported for Jetson AGX Orin. Signing and Encrypting boot firmware upto UEFI supported for Jetson AGX Xavier and Jetson Xavier NX

2 Jetson Linux 35.2.1 will not require any change to use the OTA tools released in the next release. Jetson Orin based products running Jetson Linux 35.2.1 should be able to upgrade using the OTA tools released in the next release.

2.2. Libraries and APIs

CUDA 11.4.19

TensorRT 8.5.2

cuDNN 8.6.0

VPI 2.2

  • New algorithms:

    • Canny edge detector for both CPU and CUDA backends

    • Oriented FAST and rBRIEF (ORB) feature detectors for both CPU and CUDA backends

    • Template Matching for both CPU and CUDA backends

    • Image Statistics for both CPU and CUDA backends

  • Median filter

    • Added PVA implementation for 3x3 kernel

2.3. Developer Tools

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