This is the 13996th most frequent Russian word.
объявленное
"Announced" or "declared."
Here, 'объявленное' acts as a qualifier for the noun 'расписание', indicating it refers to something that was officially stated.
Она читала объявленное на доске расписание.
She was reading the announced schedule on the board.
Here, 'объявленное' is used as a past participle to describe the hall, referencing information that was declared earlier.
Собрание прошло в ранее объявленном зале.
The meeting took place in the previously announced hall.
In this context, 'объявленное' functions as an attribute to the noun 'обновление', showing that the update had been publicly communicated.