# esptool: Updates about the upcoming v5 major release

DevFeed: [esptool: Updates about the upcoming v5 major release](<https://devfeed.tech/articles/esptool-updates-about-the-upcoming-v5-major-release-13695.md>)

Original publisher: [Read original article](<https://developer.espressif.com/blog/2025/04/esptool-v5/>)

Author: John Lee

Published: 2025-04-01T00:00:00Z

Content type: release

Language: en

Sources: [Blog on Developer Portal](<https://devfeed.tech/sources/blog-on-developer-portal.md>)

Topics: [Command-line interface](<https://devfeed.tech/topics/cli.md>), [API](<https://devfeed.tech/topics/api.md>), [Python](<https://devfeed.tech/topics/python.md>), [Development](<https://devfeed.tech/topics/development.md>), [ESP32](<https://devfeed.tech/topics/esp32.md>), [ESP8266](<https://devfeed.tech/topics/esp8266.md>), [Logging](<https://devfeed.tech/topics/logging.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [blog](<https://devfeed.tech/tags/blog.md>), [cli](<https://devfeed.tech/tags/cli.md>), [command-line](<https://devfeed.tech/tags/command-line.md>), [esp32](<https://devfeed.tech/tags/esp32.md>), [esp8266](<https://devfeed.tech/tags/esp8266.md>), [esptool](<https://devfeed.tech/tags/esptool.md>), [logging](<https://devfeed.tech/tags/logging.md>), [python](<https://devfeed.tech/tags/python.md>), [release](<https://devfeed.tech/tags/release.md>), [secure-boot](<https://devfeed.tech/tags/secure-boot.md>), [security](<https://devfeed.tech/tags/security.md>), [tools](<https://devfeed.tech/tags/tools.md>), [updates](<https://devfeed.tech/tags/updates.md>), [v5](<https://devfeed.tech/tags/v5.md>)

## AI overview

Espressif describes the upcoming esptool v5 major release, which is under development and available as a preview. The release adds a public Python API, structured workflows, type-safe integration, and customizable logging, with a migration guide for users.

## Source excerpt

esptool v5, currently under development by Espressif, boosts its new public API and customizable logging capabilities for developers. The new version brings enhancements for users as well. Contributions are welcome, preview out now.