# ESPHome 2026.4.0: Faster ESP32 defaults and signed OTA

DevFeed: [ESPHome 2026.4.0: Faster ESP32 defaults and signed OTA](<https://devfeed.tech/articles/esphome-2026-4-0-faster-esp32-defaults-and-signed-ota-16708.md>)

Original publisher: [Read original article](<https://esphome.io/blog/2026/04/15/esphome-2026-4/>)

Author: Jesse Hills

Published: 2026-04-15T00:00:00Z

Content type: release

Language: en

Sources: [ESPHome - Smart Home Made Simple - Blog](<https://devfeed.tech/sources/esphome-smart-home-made-simple-blog.md>)

Topics: [ESP32](<https://devfeed.tech/topics/esp32.md>), [ESP8266](<https://devfeed.tech/topics/esp8266.md>), [Logging](<https://devfeed.tech/topics/logging.md>), [benchmarking](<https://devfeed.tech/topics/benchmarking.md>), [ESP-IDF](<https://devfeed.tech/topics/esp-idf.md>), [Lvgl](<https://devfeed.tech/topics/lvgl.md>)

Tags: [2026](<https://devfeed.tech/tags/2026.md>), [benchmarking](<https://devfeed.tech/tags/benchmarking.md>), [cpu](<https://devfeed.tech/tags/cpu.md>), [esp-idf](<https://devfeed.tech/tags/esp-idf.md>), [esp32](<https://devfeed.tech/tags/esp32.md>), [esp8266](<https://devfeed.tech/tags/esp8266.md>), [logging](<https://devfeed.tech/tags/logging.md>), [lvgl](<https://devfeed.tech/tags/lvgl.md>), [ota](<https://devfeed.tech/tags/ota.md>), [release](<https://devfeed.tech/tags/release.md>), [releases](<https://devfeed.tech/tags/releases.md>), [security](<https://devfeed.tech/tags/security.md>), [yaml](<https://devfeed.tech/tags/yaml.md>)

## AI overview

ESPHome 2026.4.0 increases ESP32 CPU frequency by default, adds signed OTA verification and custom partition tables, and improves performance across logging, configuration loading, Bluetooth proxying, Ethernet, and GPIO expanders. The release also adds an ESP8266 crash handler, LVGL 9.5.0, new components, and migration requirements for deprecated features.

## Source excerpt

ESPHome 2026.4.0 raises ESP32 CPU frequency by default, adds signed OTA and an ESP8266 crash handler, and speeds up state logging and config loading.