[AppSignal] incompatible character encodings: ASCII-8BIT and UTF-8

Missing deletion confirmation for subprojects

Green button turns to black on hover

Time log entries too coarse

Burndown charts empty since 12.5

Direct download of a storage file fails

Fix direct uploads when Nextcloud configured without pretty URLs

Swagger UI is not rendering for API docs

Add hint if Nextcloud App "OpenProject Integration" needs upgrade for 12.5

Release downtime announced 3 days before deployment