In recent project, I re-annotated my schematic and updated that to the PCB . There were already a lot of pcb routing done on this pcb. I found that some of the net names changed.
My question is that, how can I also update the net names and keep the routing traces that are already done? Notice that, R11 was R10 before the update. Now I updated the PCB, R10 is now R11. However, the net name is still R10-2. It is a correct connection but wrong net name. These happened all over the places in this PCB. I am sure there is a simple solution somewhere. I tried but couldn't find the answer. Thanks in advance.
Brand new interactions and interfaces. 
Easy to use and quick to get started. 
Try the option to update the 'Track`s net.....yada yada yada' hidden away at the very bottom of the 'Confirm Importing changes information' window...
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No promises but it may work.
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Regards.