esp-idf/components/esp_rom/roms.json

{
  "esp32": [
    {
      "rev": 0,
      "build_date_str_addr": "0x3ff9ea80",
      "build_date_str": "Jun  8 2016"
    },
    {
      "rev": 300,
      "build_date_str_addr": "0x3ff9e986",
      "build_date_str": "Jul 29 2019"
    }
  ],
  "esp32s2": [
    {
      "rev": 0,
      "build_date_str_addr": "0x3ffaf34b",
      "build_date_str": "Oct 25 2019"
    }
  ],
  "esp32s3": [
    {
      "rev": 0,
      "build_date_str_addr": "0x3ff194ad",
      "build_date_str": "Mar  1 2021"
    }
  ],
  "esp32s31": [
    {
      "rev": 0,
      "build_date_str_addr": "0x2f8488e0",
      "build_date_str": "Dec 18 2025"
    }
  ],
  "esp32c2": [
    {
      "rev": 100,
      "build_date_str_addr": "0x3ff47874",
      "build_date_str": "Jan 27 2022"
    },
    {
      "rev": 200,
      "build_date_str_addr": "0x3ff469e0",
      "build_date_str": "May 15 2024"
    }
  ],
  "esp32c3": [
    {
      "rev": 0,
      "build_date_str_addr": "0x3ff1b878",
      "build_date_str": "Sep 18 2020"
    },
    {
      "rev": 3,
      "build_date_str_addr": "0x3ff1a374",
      "build_date_str": "Feb  7 2021"
    },
    {
      "rev": 101,
      "build_date_str_addr": "0x3ff1a3dc",
      "build_date_str": "Mar  1 2023"
    }
  ],
  "esp32c5": [
    {
      "rev": 0,
      "build_date_str_addr": "0x4004b3c4",
      "build_date_str": "Mar 29 2024"
    },
    {
      "rev": 100,
      "build_date_str_addr": "0x4004aefc",
      "build_date_str": "Jan 21 2025"
    }
  ],
  "esp32c6": [
    {
      "rev": 0,
      "build_date_str_addr": "0x4004a798",
      "build_date_str": "Sep 19 2022"
    }
  ],
  "esp32c61": [
    {
      "rev": 100,
      "build_date_str_addr": "0x4003c3cc",
      "build_date_str": "Feb 28 2025"
    }
  ],
  "esp32h2": [
    {
      "rev": 0,
      "build_date_str_addr": "0x4001c7dc",
      "build_date_str": "Nov  1 2022"
    }
  ],
  "esp32p4": [
    {
      "rev": 0,
      "build_date_str_addr": "0x4fc1d1ac",
      "build_date_str": "Aug 11 2023"
    },
    {
      "rev": 300,
      "build_date_str_addr": "0x4fc1d500",
      "build_date_str": "Apr 30 2025"
    }
  ]
}