No information from Espressif about the difference.
Anyway it works with my 8*8 led matrix
Changes to be committed:
modified: targets/esp32/esp32_neopixel.c
and CLEAR_PERI_REG_MASK to DPORT_CLEAR_PERI_REG_MASK
older syntax has been replaced in V3.1
Changes to be committed:
modified: targets/esp32/esp32_neopixel.c
Added support for neopixel to esp32 branch
Changes to be committed:
modified: Makefile
modified: libs/neopixel/jswrap_neopixel.c
new file: targets/esp32/esp32_neopixel.c
new file: targets/esp32/esp32_neopixel.h