# micropython v1.22.2 — Patch release for rp2 DMA, UART and BLE, esp32 BLE, renesas-ra I2C

- Product: micropython (https://whatsnew.fyi/product/micropython)
- Vendor: micropython
- Date: 2024-02-20
- Version: v1.22.2
- Original notes: https://github.com/micropython/micropython/releases/tag/v1.22.2
- Permalink: https://whatsnew.fyi/product/micropython/releases/v1.22.2

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — fix potential Py-stack overflow in try-finally with return
- **changed** — support gather of tasks that finish early in asyncio
- **fixed** — fix cipher iteration in SSLContext.get_ciphers
- **fixed** — reset pending_value_handle before calling write-done callback in btstack
- **fixed** — reset pending_value_handle before calling read-done callback in btstack
- **changed** — release the GIL while doing NimBLE port deinit on esp32
- **changed** — increase NimBLE task stack size and overflow detection headroom on esp32
- **fixed** — fix deepsleep wakeup pin ifdef in mimxrt modmachine
- **fixed** — fix SysTick clock source on renesas-ra
- **fixed** — fix the RTC clock source on renesas-ra ARDUINO_PORTENTA_C33
- **fixed** — fix 1 byte and 2 bytes read issue in renesas-ra ra_i2c
- **fixed** — fix fetching 'write' buffers for writing not reading in rp2_dma
- **fixed** — fix event wait in uart.flush() and uart.read() on rp2 machine_uart
- **changed** — change machine.I2S and rp2.DMA to use shared DMA IRQ handlers

This is a patch release containing the following commits:
- py/compile: fix potential Py-stack overflow in try-finally with return
- extmod/asyncio: support gather of tasks that finish early
- extmod/modssl_mbedtls: fix cipher iteration in SSLContext.get_ciphers
- extmod/btstack: reset pending_value_handle before calling write-done cb
- extmod/btstack: reset pending_value_handle before calling read-done cb
- esp32/mpnimbleport: release the GIL while doing NimBLE port deinit
- esp32: increase NimBLE task stack size and overflow detection headroom
- mimxrt/modmachine: fix deepsleep wakeup pin ifdef
- renesas-ra/ra: fix SysTick clock source
- renesas-ra/boards/ARDUINO_PORTENTA_C33: fix the RTC clock source
- renesas-ra/ra/ra_i2c: fix 1 byte and 2 bytes read issue
- rp2/rp2_dma: fix fetching 'write' buffers for writing not reading
- rp2/machine_uart: fix event wait in uart.flush() and uart.read()
- rp2: change machine.I2S and rp2.DMA to use shared DMA IRQ handlers