LVGL v8.4.0 Released

LVGL v8.4.0 is now available with several notable improvements and bug fixes. This release focuses on platform support enhancements, bug fixes for core widgets, and documentation improvements.

New Features#

Zephyr Support for PXP Acceleration#

Added Zephyr RTOS support for NXP's Pixel Pipeline (PXP) hardware acceleration, enabling faster graphics rendering on i.MX RT platforms running Zephyr. #5838

Custom Year Lists for Calendar#

The calendar widget now supports custom year lists in the header dropdown, allowing you to restrict or customize the available year range for date selection. #5275

pkg-config Support#

Added a pkg-config file to simplify build system integration, making it easier to link LVGL in projects using autotools, Meson, or CMake. #5067

Bug Fixes#

This release addresses several important issues:

• Canvas Transform: Fixed negative offset_y parameter handling in lv_canvas_transform #5846
• ST DMA2D: Removed unused functions to reduce code size #5561
• ARM-2D GPU: Fixed blending issue in blend-normal-with-mask-and-opa mode #5163
• Screen Loading: Fixed crash when starting two screen loads with animations simultaneously #5062
• Chart Memory Leak: Fixed memory leak in lv_chart_remove_series #5001
• Snapshot Data: Correctly set data_size on returned descriptor #4972

Documentation Updates#

• Fixed various typos throughout the documentation #5502
• Clarified that SJPG decoder now supports color depths beyond 16 bits #4971
• Corrected meter widget documentation: LV_PART_TICK → LV_PART_TICKS e277114
• Added documentation banner

Upgrade Instructions#

To upgrade to v8.4.0, update your LVGL dependency in your project:

git clone --branch v8.4.0 https://github.com/lvgl/lvgl.git

Or if using a package manager, update to version 8.4.0.

See the full changelog on GitHub for complete details.