# Changelog for esp_modem USB DTE plugin All notable changes to this component will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). ## [1.3.0] - 2025-12-19 ### Added - Added support for esp_modem v2 ### Deprecated - Deprecated esp_modem_usb_term_config->cdc_compliant field. CDC compliance is now auto detected by CDC-ACM USB driver. ### Known issues - ESP32-P4 cannot receive fragmented AT responses from a modem. Thus, some SimCom modems do not work with this version ## [1.2.1] - 2024-06-24 ### Added - Added support to transmit larger payloads than the buffer_size of DTE ### Known issues - ESP32-P4 cannot receive fragmented AT responses from a modem. Thus, some SimCom modems do not work with this version ## [1.2.0] - 2024-06-17 ### Fixed - Fixed C++ build error for `usb_host_config_t` backward compatibility ### Added - Added default configuration for SimCom SIM7070G, SIM7080 and SIMA7672E modems - Added default configuration for Quectel EC20 - Added ESP32-P4 support ### Known issues - ESP32-P4 cannot receive fragmented AT responses from a modem. Thus, some SimCom modems do not work with this version ## [1.1.0] - 2023-03-15 ### Fixed - Fixed USB receive path bug, where received data could be overwritten by new data ### Added - Added default configurations for tested modems - Added initial support for modems with two AT ports ### Changed - Updated to [CDC-ACM driver](https://components.espressif.com/components/espressif/usb_host_cdc_acm) to v2 ## [1.0.0] - 2022-10-1 - Initial version
3b7d6348debc61a41801595f96afa76099211eb2
idf.py add-dependency "espressif/esp_modem_usb_dte^1.3.0"