Vero 4k+ version (according to the log):
Starting Kodi (21.1). Platform: Linux ARM 32-bit (version for Vero)
Using Release Kodi x32
Kodi compiled 2024-10-03 by GCC 10.2.1 for Linux ARM 32-bit version 5.10.158 (330398)
Running on OSMC Vero 4K / Vero 4K + with Open Source Media Center 2024.10-1, kernel: Linux ARM 32-bit version 4.9.269-62-osmc
Vero V version:
Starting Kodi (21.1). Platform: Linux ARM 32-bit (version for Vero)
Using Release Kodi x32
Kodi compiled 2024-10-03 by GCC 10.2.1 for Linux ARM 32-bit version 5.10.158 (330398)
Running on OSMC Vero V with Open Source Media Center 2024.10-1, kernel: Linux ARM 32-bit version 4.9.269-70-osmc
The KEY_SUBTITLE and the KEY_LANGUAGE events does appear in the Vero 4k+ debug log, but not in the Vero V log (see below). What do you think? What does it mean?
Unfortunately I don’t quite understand the IR process layers (kernel - lirc - kodi). 
Vero 4k+ debug log
2025-02-24 14:24:32.498 T:2811 info <general>: Enabled debug logging due to GUI setting. Level 2.
2025-02-24 14:24:32.501 T:2811 debug <general>: ------ Window Init () ------
2025-02-24 14:24:39.193 T:2875 debug <general>: LIRC: - NEW 6c 0 KEY_DOWN linux-input-layer (KEY_DOWN)
2025-02-24 14:24:39.248 T:2811 debug <general>: HandleKey: 167 (0xa7, obc88) pressed, window 10016, action is Down
2025-02-24 14:24:39.860 T:2875 debug <general>: LIRC: - NEW 6c 0 KEY_DOWN linux-input-layer (KEY_DOWN)
2025-02-24 14:24:39.915 T:2811 debug <general>: HandleKey: 167 (0xa7, obc88) pressed, window 10016, action is Down
2025-02-24 14:24:40.705 T:2875 debug <general>: LIRC: - NEW 6c 0 KEY_DOWN linux-input-layer (KEY_DOWN)
2025-02-24 14:24:40.766 T:2811 debug <general>: HandleKey: 167 (0xa7, obc88) pressed, window 10016, action is Down
2025-02-24 14:24:44.623 T:2875 debug <general>: LIRC: - NEW 172 0 KEY_SUBTITLE linux-input-layer (KEY_SUBTITLE)
2025-02-24 14:24:44.626 T:2811 debug <general>: HandleKey: comma (0x2c) pressed, window 10016, action is
2025-02-24 14:24:46.460 T:2875 debug <general>: LIRC: - NEW 170 0 KEY_LANGUAGE linux-input-layer (KEY_LANGUAGE)
2025-02-24 14:24:46.516 T:2811 debug <general>: HandleKey: minus (0x2d) pressed, window 10016, action is
2025-02-24 14:24:53.128 T:2875 debug <general>: LIRC: - NEW 67 0 KEY_UP linux-input-layer (KEY_UP)
2025-02-24 14:24:53.170 T:2811 debug <general>: HandleKey: 166 (0xa6, obc89) pressed, window 10016, action is Up
2025-02-24 14:24:53.484 T:2875 debug <general>: LIRC: - NEW 67 0 KEY_UP linux-input-layer (KEY_UP)
2025-02-24 14:24:53.532 T:2811 debug <general>: HandleKey: 166 (0xa6, obc89) pressed, window 10016, action is Up
2025-02-24 14:24:53.804 T:2875 debug <general>: LIRC: - NEW 67 0 KEY_UP linux-input-layer (KEY_UP)
2025-02-24 14:24:53.815 T:2811 debug <general>: HandleKey: 166 (0xa6, obc89) pressed, window 10016, action is Up
2025-02-24 14:24:55.798 T:2875 debug <general>: LIRC: - NEW 160 0 KEY_OK linux-input-layer (KEY_OK)
2025-02-24 14:24:55.848 T:2811 debug <general>: HandleKey: 11 (0xb, obc244) pressed, window 10016, action is Select
2025-02-24 14:24:55.849 T:2811 info <general>: Disabled debug logging due to GUI setting. Level 0.
2025-02-24 14:24:55.849 T:2811 info <general>: Log level changed to "info"
Vero V debug log
2025-02-24 14:29:33.552 T:2829 info <general>: Enabled debug logging due to GUI setting. Level 2.
2025-02-24 14:29:33.556 T:2829 debug <general>: ------ Window Init () ------
2025-02-24 14:29:35.456 T:2899 debug <general>: LIRC: - NEW 6c 0 KEY_DOWN linux-input-layer (KEY_DOWN)
2025-02-24 14:29:35.490 T:2829 debug <general>: HandleKey: 167 (0xa7, obc88) pressed, window 10016, action is Down
2025-02-24 14:29:36.651 T:2899 debug <general>: LIRC: - NEW 67 0 KEY_UP linux-input-layer (KEY_UP)
2025-02-24 14:29:36.668 T:2829 debug <general>: HandleKey: 166 (0xa6, obc89) pressed, window 10016, action is Up
2025-02-24 14:29:48.710 T:2899 debug <general>: LIRC: - NEW 160 0 KEY_OK linux-input-layer (KEY_OK)
2025-02-24 14:29:48.764 T:2829 debug <general>: HandleKey: 11 (0xb, obc244) pressed, window 10016, action is Select
2025-02-24 14:29:48.764 T:2829 info <general>: Disabled debug logging due to GUI setting. Level 0.
2025-02-24 14:29:48.764 T:2829 info <general>: Log level changed to "info"