What's Changed

• Hotfixes by @facchinm in #94
• Portenta H7: SPI, WIre, PWM, ADC, Video by @pillo79 in #104
• added link to pow by @Ruggero-R in #108
• Get rid of artifacts by @facchinm in #102
• Llext heap fix for nano33 and Fixes for LLEXT_EXPORTS.C by @mjs513 in #109
• WIP - Add pins to pintable, matches docs and MBED, Trying to add Seri… by @KurtE in #89
• Initial: add Opta target by @facchinm in #95
• opta: add zephyr_target to build variant by @facchinm in #111
• zephyr: update to zephyr-arduino-20250520 by @pillo79 in #125
• bootstrap.sh: limit Zephyr HALs by default by @pillo79 in #126
• If sketch is not connected to serial - dump serial output by @KurtE in #123
• PortentaH7 - Stop the blue blink... by @KurtE in #128
• Added missing call to freeaddrinfo by @andreagilardoni in #131
• Fix giga display config. by @iabdalkader in #117
• Upate Camera support to reflect changes in API by @mjs513 in #135
• Fix .c file compile that include <Arduino.h> by @KurtE in #139
• Portenta H7: Fix digital-pin-gpios - problem with digitalWrite by @KurtE in #143
• Removed llext log level setting in variant config file by @andreagilardoni in #133
• Enable WiFi on C33 and BLE on C33/Giga by @facchinm in #130
• SerialUSB: fix missing overload after #123 by @facchinm in #146
• Update to 4.2.0-rc3 by @pillo79 in #154
• Update README.md: pre-requirements for macOS and fix flash loader instructions by @leonardocavagnis in #156
• Switch to the official 4.2.0 release of Zephyr by @pillo79 in #158
• Ethernet: fix interface discovery on portenta c33 by @pennam in #161
• README.md - How one can build on windows by @KurtE in #159
• update README: note for upgrading from 0.3.1 or earlier by @leonardocavagnis in #162
• fixing net_mgmt event handler callback signature after zephyr #89048 by @andreagilardoni in #167
• loader: Export BT firmware symbols. by @iabdalkader in #168

New Contributors

• @Ruggero-R made their first contribution in #108
• @leonardocavagnis made their first contribution in #156
• @pennam made their first contribution in #161