[André Sena]

Firmware 4.20
16/02/2022

https://fujifilm-x.com/global/support/download/firmware/cameras/x-t3

Change in the number of frames that can be stored in a single folder
・The maximum number of frames that can be stored in a single folder will be changed from 9,999 to 999 with Ver.4.20 or later.
If you are using a macOS computer to process recorded files in the SDXC memory card, make sure to follow the procedure below before upgrading the firmware.
Follow the instructions in “II-2. If using an SDXC memory card with existing files or one that　has not been recently formatted:” in the article titled “Important notice for consumers processing FUJIFILM digital camera files using macOS” that was published on Feb. 2 in this web site and then format the SDXC memory card before using it.

https://fujifilm-x.com/global/global-news/2022/0202_4199100/

[André Sena]

Firmware 4.30
29/06/2022

https://fujifilm-x.com/global/support/download/firmware/cameras/x-t3

Revised specification from Ver.4.20 to Ver.4.30

FUJINON lens, XF150-600mmF5.6-8 R LM OIS WR has been available.

The accuracy of AF function has been improved at manual focus mode using "One-Push AF".

Other minor bugs have been fixed.

[André Sena]

Firmware 4.40
29/09/2022

https://fujifilm-x.com/global/support/download/firmware/cameras/x-t3

Novo guia de funcionamento devido as novas funções de controle para zoom e foco que foram adicionadas/modificadas.

Verifique link acima para descrição completa.

Exposure adjustment function for the pre-view image/movie has been enhanced by optimizing the parameters for the exposure control when XF150-600mm is used.

“AF+MF” function has been available even at movie taking.

[André Sena]

Fujifilm X-T3 ver. 4.52

https://fujifilm-x.com/global/support/download/firmware/cameras/x-t3/


Revised specification from Ver.4.51 to Ver.4.52

The firmware bug has been fixed, which caused that the focus cannot be adjusted by operating the Manual Focus Ring during movie recording when using the following lenses.
・FUJINON LENS XF14mm F2.8 R
・FUJINON LENS XF16mm F1.4 R WR
・FUJINON LENS XF23mm F1.4 R
The firmware bug has been fixed, which caused that the Live View display became black out and camera froze at changing “AF Area” in the display while taking “Live View Shooting” using Wi-Fi connection with smartphone applications (FUJIFILM Camera Remote) under the following conditions.
・“NUMBER OF FOCUS POINTS” in “AF/MF SETTING” menu is set to 425 POINTS (17 × 25).
・“FOCUS MODE” is set to “AF-S” or “AF-C”.

[André Sena]

Firmware 5.0
24/05/2023

Esse FW traz diversas correções e a lista é grande:

https://fujifilm-x.com/global/support/download/firmware/cameras/x-t3/