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wiedehopf / tar1090

Provides an improved webinterface for use with ADS-B decoders readsb / dump1090-fa
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Aircraft not disappearing off screen after timeout expired when using Firefox 119.0.1 #276

Closed GitchNZ closed 7 months ago

GitchNZ commented 7 months ago

After an aircraft is no longer received, there is a timeout that determines when the aircraft should be removed from the screen. Since the update of Firefox to version 119.0.1, this no longer works. Aircraft remain on the screen indefinitely. The 'Total Aircraft' value accurately represents the number of 'live' aircraft received. 'On Screen' shows the count of displayed aircraft correctly, but will invariably be higher than the first, as this count will also include aircraft that have past their timeout value, but are still showing on the screen.

The screen below shows the issue. The configured timeout parameter is 30 seconds. However, three four aircraft that not been received for over 30 seconds are also shown on the screen. This was generated when the screen was at full zoom. image

Refreshing the page will correct the issue. Using another browser (I have tested Chrome and Edge) gives correct behaviour.

GitchNZ commented 7 months ago

Issue was likely caused by a corrupt browser cookie. Resolved by clearing all cookies for the website hosting tar1090