Version 4.12.0

v4.12.0 (2026-07-13)

✨ New Features

• ESP32-P4: Support ECO7 (rev3.2) (Radim Karniš - 80a98cf)
• spi_flash: Add flash reset when detecting chip (C.S.M - cb2e3d7)
• stub_flasher: Adopt new flasher stub (Radim Karniš - 2db40c8)
• espefuse: Add raw_value to JSON summary output (Peter Dragun - 7f01960)

🐛 Bug Fixes

• ESP32-H4: Make flash could run at 64MHz since 2nd stage bootloader (Song Ruo Jing - 3b895c2)
• stub_flasher: Print an explanatory error if the stub flasher files are missing (Radim Karniš - 3cf5db7)
• Resolve symlinked paths in get_usb_vid_pid (igor.udot - 80684fd)
• Use FLASH_BEGIN flag to flash encrypted data instead of separate command (Jaroslav Burian - 634a87a)
• espefuse: Add WAFER_VERSION_HI eFuse for esp32p4 revisions less than v3.0 (harshal.patil - 705e18a)
• espefuse: Remove the value description of the eFuse for ESP32-C5 (Peter Dragun - 0353102)
• Security eFuse layout for C2/C5/C61 (Radim Karniš - 0dadfd1)

Results of checking the release against common anti-virus SW

• esptool-v4.12.0-windows-amd64.zip
• esptool-v4.12.0-macos-arm64.tar.gz
• esptool-v4.12.0-macos-amd64.tar.gz
• esptool-v4.12.0-linux-armv7.tar.gz
• esptool-v4.12.0-linux-amd64.tar.gz
• esptool-v4.12.0-linux-aarch64.tar.gz

The failures are probably false positives. You can mark esptool as safe in your anti-virus SW, or install esptool from source.