Jetpack 4.5 gstreamer breaking changes

Please provide complete information as applicable to your setup.

• Hardware Platform (Jetson / GPU) Jetson
• DeepStream Version 5.0.1
• JetPack Version (valid for Jetson only) 4.5
• TensorRT Version
• NVIDIA GPU Driver Version (valid for GPU only)
• Issue Type( questions, new requirements, bugs) bug
• How to reproduce the issue ? (This is for bugs. Including which sample app is using, the configuration files content, the command line used and other details for reproducing)
• Requirement details( This is for new requirement. Including the module name-for which plugin or for which sample application, the function description)

I see that after upgrading to Jetpack 4.5 Gstreamer plugin nvv4l2decoder is now missing bufapi-version parameter, but release notes do not mention any changes to Gstreamer, and the plugin version is still 1.14.0.

Are there any other undocumented/breaking changes?

We change the implementation to check environment variable DS_NEW_BUFAPI. Please check Note in document:

And dsexample sample:

deepstream-5.0/sources/gst-plugins/gst-dsexample/gstdsexample.cpp:  g_setenv ("DS_NEW_BUFAPI", "1", TRUE);