Pioneer Japan announced new firmware updates for a variety of their external Blu-Ray portable recorders, as always change log is minimal with "Improvement of the playback operation with specific media"

BDR-XD08UMB-S
BDR-XD08B
BDR-XD08S
BDR-XD08G
BDR-XS07UHD
BDR-XS07TUHD
BDR-XS07S
BDR-XS07TS
BDR-XS07CS
BDR-XD07UHD
BDR-XD07TUHD
BDR-XD07B
BDR-XD07S
BDR-XD07TB
BDR-XD07TS
BDR-XD07CB

You can download the new firmware at https://pioneer.jp/device_e/product-e/ibs/device_e/dev00001r_e.html#firm...