Funny. :-( Ok, maybe we must search for our own.
I just have a look in the logs:
standard 20:40:10.994560+0100 SafariBookmarksSyncAgent Process com.apple.SafariBookmarksSyncAgent did release lock: com.apple.WebBookmarks.SafariTabs.lock
standard 20:40:12.267779+0100 com.apple.Safari.SandboxBroker CoreAnimation: failed to receive fence reply: 10004003
standard 20:40:12.292196+0100 com.apple.Safari.SandboxBroker <NSViewServiceMarshal: 0x7ff7dfc186c0 <NSRendezvousSheetController: 0x600003cecaa0 <NSSavePanel: 0x7ff7dfd13b10>>> encountered accessory view with unexpected class NSView
fehler 20:40:12.701569+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.701608+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.701632+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.701651+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.701668+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.720892+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.720937+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.720962+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.721860+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.721900+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.721925+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.723000+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.723040+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
fehler 20:40:12.723063+0100 com.apple.Safari.SandboxBroker mach error 0x10000003: (ipc/send) invalid destination port
standard 20:40:19.502502+0100 Safari 0x118ae87e0 - [PID=0] WebProcessCache::setApplicationIsActive: (isActive=0)
standard 20:40:19.609603+0100 SafariBookmarksSyncAgent Process com.apple.SafariBookmarksSyncAgent did acquire lock: com.apple.WebBookmarks.SafariTabs.lock
standard 20:40:19.611943+0100 SafariBookmarksSyncAgent Process com.apple.SafariBookmarksSyncAgent did release lock: com.apple.WebBookmarks.SafariTabs.lock
I see this messages when i try to save a page.
Tomorrow i will learn, what "invalid destination port" means ...