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Line draw algorithm is improved to support perpendicular line endings
Arc drawing
Shadow drawing improvements
Custom VDB write function can be registered in the display driver to support non-standard color formats. This the VDB content can be directly flushed to the display.
RGB565 swap to swap the two bytes of RGB565 colors. It makes possible to simply send the pixel's data via a 8-bit serial interface (e.g. SPI). It can be enabled in lv_conf.h by setting LV_COLOR_16_SWAP.
VDB address can be set in runtime with lv_vdb_set_adr(). Useful if you want to use DMA in the disp_flush function but the VDB need to be allocated in a specific way.
New image formats supporting Indexed and Grayscale formats too to save memory
Image decoder interface to add support to any image format like PNG
Dithering support in Online image converter
New object features
lv_obj opa scale attribute added to scale the current opacity of an object and its children (useful to fade in/out a group of objects)
lv_label LV_LABEL_ALIGN_RIGHT added to enable right alignmenet of texts.
lv_label LV_LABEL_LONG_CROP long mode to simply crop the text out of the label's size.
lv_btn Ink effect feature added to play an animation effect when a button is clicked and released. Can be enabled with lv_btn_set_ink_in_time(), lv_btn_set_ink_wait_time(), lv_btn_set_ink_out_time() and LV_BTN_INK_EFFECT` need to be enabled in lv_conf.h.
lv_page, lv_win, lv_ta scrolling is added on LV_GROUP_KEY_UP/DOWN/LEFT/RIGHT
lv_page temporal scrollbar hide option is added (LV_SB_MODE_HIDE)
lv_tamax_length and accepted_chars attributes are added.d to be enabled in lv_conf.h.
lv_ta action can be added with lv_ta_set_action()
Other new features:
SYMBOL_DUMMY: If added before string then lv_img will display the text. This way where icons need and an image a text can be set as well.