Serial read not read complete sentence

[sabas1080]

Describe the bug
i am work with beta version and serial for GPS, serial.readUntil not work as previous version, sentence from GPS are not complete

example:

previous version the data recieved is:

$GPRMC,222313.000,A,2151.1814,N,10218.8003,W,0.00,284.07,060119,,,D*76

and the new version is

RMC,222313.000,A,2151.1814,N,10218.8003,W,0.00,284.07,060119,,,D*76

To Reproduce
Use my code

serial.setBaudRate(BaudRate.BaudRate9600)
serial.setRxBufferSize(90)
forever(function () {
    console.log(serial.readUntil(Delimiters.NewLine))
})

Screenshots

Desktop (please complete the following information):

• OS: MacOS
• Browser chrome
• Version 71

Additional context
Tested in arduino boad MKR1300