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For CircuitPython 10, the ESP32-S2 and ESP32-S3 flash partition layouts have changed, to increase the size of the firmware partition. These changes are upward-compatible with CircuitPython 9.1.0 and up. All the builds have now been updated to assume the new partition layout.

  • Bump the TinyUF2 version for esp32s2 and esp32s3 to 0.3.50.
  • Update and rewrite the Espressif bootloader install/update section, to make it clearer and point to external references.

Here is a screenshot of the revised section, for easier proofing:
image

FoamyGuy
FoamyGuy previously approved these changes Jul 15, 2025
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Looks good to me.

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👍

@dhalbert dhalbert merged commit 039d7d8 into adafruit:main Jul 15, 2025
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@dhalbert dhalbert deleted the update-esp-bootloader branch July 15, 2025 14:22
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2 participants