IDE 2.2.1 from some day do not show ESP8266 examples list

absolutely yes , i can compile and donload the project, only when select the menu examples

show only basic examples and the extra libaries (as asyntcp,asyncwebserver..)

i do not understand why now , in the past, normally(sometimes happens no display) work fine

but when happen a restart of ide solve (rerely needs to restart ide more than 2/3 times)

not always, do not show.