From 47b13ab18e4cafc961f049fd361cb0ed29fe51b1 Mon Sep 17 00:00:00 2001 From: daikaginza Date: Mon, 28 Sep 2026 14:18:09 +0700 Subject: [PATCH] docs(changelog): note OpenSky snapshot compression (#795) --- CHANGELOG.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/CHANGELOG.md b/CHANGELOG.md index 58103d04d..aa36408a4 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,5 +1,13 @@ # Changelog +- The live flight snapshot is compressed on the wire. `/api/opensky` gzips its + cached global snapshot and its regional adsb.lol fallback once per upstream + refresh and serves that frame to clients offering gzip — roughly 860 KB + becomes roughly 258 KB — while a client that offers nothing receives the same + bytes uncompressed. Both answers carry `Vary: Accept-Encoding`, and a response + the proxy does not cache, such as an auth failure, is never sent under a + cached snapshot's encoding (daikaginza, #795). + - Public Overpass instances are no longer used by default. Street Traffic roads come from TomTom flow tiles, OpenFreeMap vector tiles, or both, chosen on the layer row (TomTom / OSM / Hybrid) or with `?trafficRoads=`. With a