tee usage not working in 1.14.4

[vivien]

gst-launch-1.0 udpsrc port=8884 caps = "application/x-rtp,
encoding-name=H264, payload=96" ! rtph264depay ! vaapih264dec ! tee name=t
t. ! queue ! vaapisink name=1_15120 t. ! queue ! vaapisink name=15120 

we are using this pipeline above to show two video at the same time. In
version 1.12.2 it works ok. we updated to 1.14.4 and the pipeline no longer
work. Does anyone experience this? is there bug that was fixed in more
recent version?

showing just one stream this pipeline works fine
gst-launcher-1.0 udpsrc port=8884 caps="application/x-rtp,
encoding-name=H264, payload=96" ! rtph264depay ! vaapih264dec ! vaapisink
name=1_15120

thank you for the help



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