differences between the possible versions of LWIP.

[stef-ladefense]

Hello everyone
do we have a doc which gives the differences between the possible versions of LWIP.
I can't find this information anywhere and especially what that changes in management.
thank you

[d-a-v]

Please check this: https://gitter.im/esp8266/Arduino?at=5ee0b44d7c64f31f1150b61b