It is not possible to change the brightness.

[maugp 0]

The brightness bar is shown before the year and title, which means that if the series or movie contains a long name then it does not show the brightness bar or is very small, making it difficult to lower or raise the brightness.

Example where it is not even possible to see the brightness bar:

Correct display in a series with short name:

Edited July 8, 2024 by maugp
Typo

[Luke 42077]

Hi we’ll take a look at it. Thanks for reporting.