LVGL v7.5.0 Released

LVGL v7.5.0 introduces enhanced GPU and cache management capabilities, expanded font options, and important stability improvements.

New Features#

Performance and Memory Management#

• Custom cache management: New clean_dcache_cb callback and lv_disp_clean_dcache function enable integration with custom cache management systems
• GPU synchronization: Added gpu_wait_cb to defer CPU waiting until rendered data is actually needed, improving overall performance
• Expanded font library: 10px and 8px built-in fonts now available for more compact UI designs

Bug Fixes#

• Fixed unexpected DEFOCUS behavior on lv_page when clicking background after scrollable area
• Resolved crashes in lv_obj_del and lv_obj_clean when children list changed during deletion
• Button matrix improvements:
  • Width calculation now properly includes padding for multi-unit spanning buttons
  • Line height calculation now uses proper rounding
• Added decmopr_buf to garbage collection roots
• Fixed division by zero in draw_pattern (lv_draw_rect.c) when image or letter not found
• Fixed rendering of images with 1 pixel height or width
• Fixed dropdown list selection issues with non-ASCII characters

Download#

Get LVGL v7.5.0 from GitHub.