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In I2CDirect, in none of the 6 methods with an offset parameter, the offset parameter is referenced anywhere in the body

bugSomething isn't workingSomething isn't working

ffmFFM API PluginFFM API Plugin

Status: Open.

#604 In Pi4J/pi4j;

· stefanhaustein opened on Feb 2, 2026

Unsigned values in pi4j interfaces

questionFurther information is requestedFurther information is requested

Status: Open.

#603 In Pi4J/pi4j;

· DigitalSmile opened on Jan 31, 2026

SPI writeThenRead

bugSomething isn't workingSomething isn't working

ffmFFM API PluginFFM API Plugin

Status: Open.

#596 In Pi4J/pi4j;

· taartspi opened on Jan 27, 2026

Be able to use Arenas to directly allocate memory and pass data to things like SPI

ffmFFM API PluginFFM API Plugin

Status: Open.

#578 In Pi4J/pi4j;

· FDelporte opened on Jan 7, 2026

Migrate to Maven 4

Status: Open.

#562 In Pi4J/pi4j;

· FanJups opened on Dec 1, 2025

FFM Plugin: Extend plugin with PwmFFMSoftware

enhancementNew feature or requestNew feature or request

ffmFFM API PluginFFM API Plugin

Status: Open.

Feature

#556 In Pi4J/pi4j;

· FDelporte opened on Nov 15, 2025

apt-key is no longer available, change apt install script necessary

Status: Open.

#545 In Pi4J/pi4j;

· joneppie opened on Nov 5, 2025

pigpio cannot find libpigpio.so.1

Status: Open.

#529 In Pi4J/pi4j;

· micartey opened on Oct 12, 2025

V4 I2C cleanup opportunity: Let's add default implementations for the register methods in I2c that don't already have one

Status: Open.

#522 In Pi4J/pi4j;

· stefanhaustein opened on Oct 6, 2025

Provider Naming Consistency

Status: Open.

#520 In Pi4J/pi4j;

· stefanhaustein opened on Oct 6, 2025

Pi4J 2.8.0 always reads GPIO inputs as LOW on Raspberry Pi Zero W (Bookworm, kernel 6.12, libgpiod 1.6.3) while gpioget works

Status: Open.

#519 In Pi4J/pi4j;

· jandeclerck opened on Oct 3, 2025

FFM PWM provider configuration is incompatible with the LinuxFS version

ffmFFM API PluginFFM API Plugin

Status: Open.

Feature

#509 In Pi4J/pi4j;

· IAmNickNack opened on Sep 28, 2025