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Library reference pages may list incompatible boards in the compatibility list

Component: WebsiteIssues related to arduino.cc, but not the documentation content Issues related to arduino.cc, but not the documentation content

Type: Bug

Status: Open.

#11871 In arduino/Arduino;

· sterretjeToo opened on Mar 16, 2023

· Updated on Sep 4, 2025

Fix arduino/ArduinoCore-avr#174 for boards that have >64K of PROGMEM available

Architecture: AVRApplies only to the AVR microcontrollers (Uno, etc.) Applies only to the AVR microcontrollers (Uno, etc.)

in progressWork on this item is in progress Work on this item is in progress

Status: Open (in progress).

arduino/Arduinonumber 6317

#6317 In arduino/Arduino;

· geez0x1 opened on May 23, 2017

· Updated on Aug 29, 2025

The arduino micro sometimes fails to show up as a COM port

DriversDrivers used to support Arduino boards on the computer Drivers used to support Arduino boards on the computer

Type: Bug

USB: CDC serialSerial interface used by MCUs with native USB (e.g. Leonardo) to communicate with the computer Serial interface used by MCUs with native USB (e.g. Leonardo) to communicate with the computer

Status: Open.

#2373 In arduino/Arduino;

· DavidHowlett opened on Oct 17, 2014

· Updated on Aug 28, 2025

Make serial plotter ringbuffer size configurable

SerialPlotterTools > Serial Plotter Tools > Serial Plotter

Status: Open (in progress).

arduino/Arduinonumber 7454

#7454 In arduino/Arduino;

· WilhelmWiens opened on Apr 10, 2018

· Updated on Aug 7, 2025

Serial plotter remote commands

SerialPlotterTools > Serial Plotter Tools > Serial Plotter

Status: Open (in progress).

arduino/Arduinonumber 7461

#7461 In arduino/Arduino;

· WilhelmWiens opened on Apr 12, 2018

· Updated on Aug 7, 2025

Adding a Project View to the Arduino IDE

Status: Open (in progress).

arduino/Arduinonumber 11048

#11048 In arduino/Arduino;

· samigamer1999 opened on Dec 9, 2020

· Updated on Aug 7, 2025

Cannot use upstream libastyle

feature requestA request to make an enhancement (not a bug fix) A request to make an enhancement (not a bug fix)

Status: Open.

#5538 In arduino/Arduino;

· NicoHood opened on Oct 30, 2016

· Updated on Jul 24, 2025

Confusion caused by use of -fpermissive in AVR and megaAVR compilation recipes

Component: CompilationRelated to compilation of Arduino sketches Related to compilation of Arduino sketches

Type: Bug

Status: Open.

#10154 In arduino/Arduino;

· allnick opened on May 6, 2020

· Updated on Jun 11, 2025

Arduino boards and libraries should be installable without internet

Component: Board/Lib ManagerBoards Manager or Library Manager Boards Manager or Library Manager

feature requestA request to make an enhancement (not a bug fix) A request to make an enhancement (not a bug fix)

Status: Open.

#2981 In arduino/Arduino;

· WestfW opened on Apr 15, 2015

· Updated on Mar 2, 2025

IDE fails to start: 'Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException'

Component: IDEThe Arduino IDE The Arduino IDE

Type: Bug

Status: Open.

#12036 In arduino/Arduino;

· mgrouch opened on Feb 26, 2025

· Updated on Feb 26, 2025

Update SPI.h - Add transfer_out

Library: SPIThe SPI Arduino library The SPI Arduino library

Status: Open (in progress).

arduino/Arduinonumber 4573

#4573 In arduino/Arduino;

· pamribeirox opened on Feb 13, 2016

· Updated on Feb 23, 2025

How can I add unofficial list of 3rd party boards support urls?

Component: Board/Lib ManagerBoards Manager or Library Manager Boards Manager or Library Manager

Type: Bug

Status: Open.

#11524 In arduino/Arduino;

· Heltec-Aaron-Lee opened on May 13, 2021

· Updated on Feb 17, 2025