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6.2.0 beta 4 release notes #4361
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(Explanation - after accidentally pressing "Publish Release" instead of "Save Draft", I am going to keep draft release notes in an issue, so that can't happen again. Two other advantages are that the editing interface has a menu bar, unlike the release notes editor page, and it's public. I'll create an issue for each upcoming release and then close it on release.) |
This is a good change. 👍 |
Good idea - pinned. |
Suggestion: The last release to include builds as release assets was for 4.x, maybe we don't need the explanation that assets aren't on the release page anymore. |
Now that there are issue templates, the "file an issue link" should link to |
Fixed -thanks! |
6.2.0-beta.4 released. |
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This release, 6.2.0-beta.4, is the fifth beta release of CircuitPython 6.2.0. Notable changes since 6.2.0-beta.3 include new RP2040 fixes and features, enhancements to
bitmaptools
, and turning offusb_cdc
by default. See Port status below for details on port stability for each port, and Known issues for known problems. If you find any issues with this release, please file an issue.Download from circuitpython.org
Firmware downloads are available from the downloads page on circuitpython.org. The site makes it easy to select the correct file and language for your board.
Installation
To install follow the instructions in our new Welcome to CircuitPython! guide. To install the latest libraries, see this page in that guide.
Try the latest version of the Mu editor for creating and editing your CircuitPython programs and for easy access to the CircuitPython serial connection (the REPL).
Port status
CircuitPython has a number of "ports" that are the core implementation for a variety of microcontroller families. Stability varies on a per-port basis. As of this release,
atmel-samd
,cxd56
(Spresense),nrf
, andstm
for the F4 family are stable.esp32s2
,raspberrypi
, andstm
for other STM chip families are being actively improved but may be missing functionality and have bugs.litex
andmimxrt10xx
are in an alpha state and will have bugs and missing functionality.Changes since 6.2.0-beta.3
Full commit log is here.
Fixes and enhancements
bitmaptools.arrayblit()
destination as dirty. arrayblit: mark bitmap area as dirty #4430. Thanks @jepler.displayio.Palette.is_transparent(palette_index)
. Add getter for displayio.Palette item transparency/opacity. #4426. Thanks @kmatch98.board.LED
pin names for several boards. More later. Adding LED for D13/L pin name. #4421. Thanks @kattni.bitmaptools.readinto()
andbitmaptools.arrayblit()
. bitmaptools: Add readinto, arrayblit #4403. Thanks @jepler.usb_cdc
, the second USB serial port, by default. it was on by default in 6.2.0-beta.3. It is still available to use in a custom build. disable default usb_cdc #4384. Thanks @dhalbert.displayio.TileGrid
. Use uint16 for temporary variables in displayio.TileGrid #4287. Thanks @deshipu.TileGrid.transpose_xy
crash. Tilegrid transpose fix #4331. Thanks @dhalbert.ulab
to fix matrix vetor multiplication issue. matrix vector multiplication broken in ulab #4250. Thanks @jepler.buffer_length
as part ofaudiopwmio_pwmaudioout_obj_t
#4335. [stm]curr_pulseout
can beSTATIC
#4337, [audiocore]buffer_read
was never used #4338, [readme] minor clarification / deduplication #4351, [vfs_fat_diskio] pdrv is not a drive number since f5f4cdae89 #4391. Thanks @tyomitch.Board- and port-specific changes
deinit()
. ESP32S2: Fix watchdog deinit #4325. Thanks @microdev1.displayio.ParallelBus
. Add RP2040 displayio.ParallelBus Support #4130. Thanks @gamblor21.rotaryio
. raspberrypi: Implement rotaryio, improve StateMachine #4329. Thanks @jepler.audiomp3
; it works at low bit rates. raspberrypi: Enable mp3 playback #4380. Thanks @jepler.rtc
with a reasonable time. raspberrypi: RTC: Ensure a time is set #4379. Thanks @jepler.rp2pio.StateMachine
. raspberrypi: Implement rotaryio, improve StateMachine #4329. Thanks @jepler.tud_disconnect()
. fix rp2040 use of tud_disconnect #4327. Thanks @hathach.board.I2C()
. correct clock stretch timeout for board.I2C() #4390. Thanks @dhalbert.SDASETUP
to improve I2C rise times. I2CPeripheral samd51 corrections in the CTRLC bit #4370. Thanks @jposada and thanks @k3wals for the diagnosis.UART.deinit()
. STM32: Fix UART deinit #4383. Thanks @hierophect.Build and infrastructure changes
EXTERNAL_FLASH_DEVICES
. Automatically count EXTERNAL_FLASH_DEVICES #4358. Thanks @jepler.Documentation
RTC
,TouchIn
, andanalogio
. Change in documentation in Analogio #4402, RTC and Touchin docs changes #4407. Thanks @jposada2020.README.rst
link to SourceGraph, which provides searching in thecircuitpython
repo. Add Sourcegraph link and raspberrypi port #4416. Thanks @tannewt.README.rst
. Add Sourcegraph link and raspberrypi port #4416. Thanks @tannewt.usb_cdc
. Add caveat for usb_cdc.Serial.connected; fix another doc bug #4359. Thanks @dhalbert.microcontroller.nvm
documentation. nvm: fix doc markup #4346. Thanks @jepler.New boards since 6.2.0-beta.3
Breaking changes since 5.x
i2cslave
is nowi2cperipheral
and the class in it is changed as well.stop
kwarg has been removed fromI2C.writeto()
. If no stop is desired, then usewriteto_then_readfrom
.busio.I2C
to set the speed explicitly._bleio.ConnectionError
has been removed. Code will now raise the nativeConnectionError
instead.Known issues
busio.I2C
. Usebitbangio.I2C
instead, and usebitbangio.I2C(..., probe=False)
if necessary. See Raspberry Pi Pico I2C issue with TCS34725 #4082 and RasPi Pico: Often (but not always) Errno 19 on i2c writes #4235.Thanks
Thank you to all who used, tested, and contributed since 6.2.0-beta.3, including @ajs256, @askpatrickw, @bergdahl, @caternuson, @danielwarnersmith, @DavePutz, @dglaude, @dhalbert, @dpgeorge, @Edrig, @falkenad, @FBSeletronica, @fede2cr, @FoamyGuy, @hathach, @hexthat, @hierophect, @hugodahl, @ismael-miguel, @jamesbowman, @jepler, @jerryneedell, @jposada202020, @kamtom480, @kattni, @kevinjwalters, @kmatch98, @ladyada, @makermelissa, @microdev1, @mintakka, @MisterD66, @nitz, @Padanian, @siehputz, @skieast, @spe2, @tannewt, @tylercrumpton, @tyomitch, @v923z, @weblate, @wtuemura, and many others on GitHub and Discord. Join us on the Discord chat to collaborate.
Documentation
Documentation is available in readthedocs.io.
This release is based on MicroPython 1.9.4 @25ae98f. Support upstream MicroPython by purchasing a PyBoard (from Adafruit here) or sponsoring MicroPython on GitHub.
Translations
One important feature of CircuitPython is translated control and error messages. With the help of fellow open source project Weblate, we're making it even easier to add or improve translations. Sign in with an existing account such as Github, Google or Facebook and start contributing through a simple web interface. No forks or pull requests needed!
Troubleshooting
Check out this guide for info on common problems with CircuitPython. If you are still having issues, then post to the Adafruit Support Forums and join Discord.
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