README: add export format compatibility matrix.
Part of
@@ -64,7 +64,7 @@ _OpenTracks_ is a sport tracking application that completely respects your priva
* __Voice announcements__
* __Photos and Markers:__ mark interesting locations while tracking
* __Export:__
- * export tracks either as KMZ (incl. photos), KML, or GPX
+ * export tracks either as [KMZ 2.3](https://docs.opengeospatial.org/is/12-007r2/12-007r2.html) (incl. photos), [KML 2.3](https://docs.opengeospatial.org/is/12-007r2/12-007r2.html), or [GPX 1.1](https://www.topografix.com/GPX/1/1/)
* export automatically after each recording (e.g., to sync via [Nextcloud](https://nextcloud.com/))
* avoid duplication: each exported file contain a random unique identifier (i.e., `opentracks:trackid`)
* __Altitude:__
@@ -121,7 +121,14 @@ For testing via adb: `adb shell am start -e someParameter someValue -n "package/
The Public API is disabled by default to protect the user's privacy, but it can easily be enabled in the settings.
-__IMPORTANT__: triggering `StartRecording` does not check if Android permissions (location or Bluetooth) were granted. If they are not granted, nothing will be recorded.
+## File formats compatibility with open-source software
+
+| | [GPX 1.1](https://www.topografix.com/GPX/1/1/) | [KML 2.3](https://docs.opengeospatial.org/is/12-007r2/12-007r2.html) | [KMZ 2.3](https://docs.opengeospatial.org/is/12-007r2/12-007r2.html) |
+|------------------------------------------------------|------------------------------------------------|----------------------------------------------------------------------|----------------------------------------------------------------------|
+| [OpenLayers 7.1.0](https://openlayers.org/) | ? | [no](https://github.com/openlayers/openlayers/issues/14104) | [no](https://github.com/openlayers/openlayers/issues/14104) |
+| [Golden Cheetah 3.5](https://www.goldencheetah.org/) | ? | [no](https://github.com/GoldenCheetah/GoldenCheetah/issues/4271) | [no](https://github.com/GoldenCheetah/GoldenCheetah/issues/4271) |
+| [GpxPod](https://apps.nextcloud.com/apps/gpxpod) | ? | ? | ? |
+| [OsmAnd](https://github.com/osmandapp/OsmAnd) | ? | [no](https://github.com/osmandapp/OsmAnd/issues/15271) | [no](https://github.com/osmandapp/OsmAnd/issues/15271) |
## Dashboard API (incl. map)
