As of 21 Jan 2023, the kirkstone-l4t-r32.7.x and dunfell branches support L4T R32.7.3/JetPack 4.6.3.

Changes from L4T R32.7.2/JetPack 4.6.2

NVIDIA documentation:

• L4T R32.7.3 page
• JetPack release page

Content for this release is identical to L4T R32.7.2/JetPack 4.6.2, with the following updates:

• Security fixes
• Support for updated Jetson TX2 modules with Hynix DRAM