Tracking changes in contract address and functionality

[theref]

Is there any risk of the fx_child, fx_root, and checkpoint_manager contract addresses defined here changing? is there something i should be subscribed in case of changes in functionality etc?

[QEDK]

Is there any risk of the fx_child, fx_root, and checkpoint_manager contract addresses defined here changing? is there something i should be subscribed in case of changes in functionality etc?

Highly unlikely, but keep in mind that we have migration processed lined up.