v7.9.0 is released

New features

• feat(chart) add lv_chart_remove_series and lv_chart_hide_series
• feat(img_cahce) allow disabling image cacheing
• calendar: make get_day_of_week() public
• Added support for Zephyr integration

Bugfixes

• fix(draw_rect) free buffer used for arabic processing
• fix(win) arabic process the title of the window
• fix(dropdown) arabic process the option in lv_dropdown_add_option
• fix(textarea) buffer overflow in password mode with UTF-8 characters
• fix(textarea) cursor position after hiding character in password mode
• fix(linemeter) draw critical lines with correct color
• fix(kconfig) handle disable sprintf float correctly.
• fix(layout) stop layout after recursion threshold is reached
• fix(gauge) fix redraw with image needle