I2C on ESP8266 broken in 1v92 and later, worked in 1v91

With a pico and an esp8266 from kickstarter on an 24lc256 eeprom there is nothing failed.

esp8266 is on version 1v94 and pico is on 1v95

 _____                 _
|   __|___ ___ ___ _ _|_|___ ___
|   __|_ -| . |  _| | | |   | . |
|_____|___|  _|_| |___|_|_|_|___|
          |_| http://espruino.com
 1v94 Copyright 2017 G.Williams
Espruino is Open Source. Our work is supported
only by sales of official boards and donations:
http://espruino.com/Donate
Flash map 512KB:256/256, manuf 0xc8 chip 0x4013
>

var eeprom;
function dd() {
//I2C2.setup( {scl: B10, sda: B3 } ); // pico
//eeprom=require("AT24").connect(I2C2, 64, 256);

I2C1.setup({scl:D2, sda:D0, bitrate:400000}); //esp8266
eeprom=require("AT24").connect(I2C1, 64, 256);
}

setTimeout(function () {
  console.log("Hello World");
  dd();
}, 1000);


/* pico
=undefined
Hello World
>eeprom.read(0,10)
=new Uint8Array([0, 180, 196, 4, 111, 81, 16, 0, 28, 0])
>                   ^
>eeprom.write(0,[55,99])
=2
=undefined
>eeprom.read(0,10)
=new Uint8Array([55, 99, 196, 4, 111, 81, 16, 0, 28, 0])
>
*/

/* esp8266
=undefined
Hello World
>eeprom.read(0,10)
=new Uint8Array([55, 99, 196, 4, 111, 81, 16, 0, 28, 0])
>
=undefined
>eeprom.write(0,[99,55])
=2
>eeprom.read(0,10)
=new Uint8Array([99, 55, 196, 4, 111, 81, 16, 0, 28, 0])
>
*/