diff --git a/androidApp/build.gradle.kts b/androidApp/build.gradle.kts
index 1619bbe63ad..1209b38f5bb 100644
--- a/androidApp/build.gradle.kts
+++ b/androidApp/build.gradle.kts
@@ -81,7 +81,7 @@ dependencies {
     debugImplementation("androidx.compose.ui:ui-tooling:1.10.0")
 
     // location
-    implementation("org.maplibre.compose:location:0.15.0")
+    implementation("org.maplibre.compose:location:0.16.0")
 
     // Dependency Injection
     implementation("io.insert-koin:koin-android:4.2.2")
diff --git a/androidApp/src/main/kotlin/de/westnordost/streetcomplete/screens/main/MainActivity.kt b/androidApp/src/main/kotlin/de/westnordost/streetcomplete/screens/main/MainActivity.kt
index 71465e60fbf..56fea39732c 100644
--- a/androidApp/src/main/kotlin/de/westnordost/streetcomplete/screens/main/MainActivity.kt
+++ b/androidApp/src/main/kotlin/de/westnordost/streetcomplete/screens/main/MainActivity.kt
@@ -78,6 +78,7 @@ import de.westnordost.streetcomplete.util.ktx.observe
 import de.westnordost.streetcomplete.util.ktx.toLatLon
 import de.westnordost.streetcomplete.util.ktx.toOffset
 import de.westnordost.streetcomplete.util.ktx.toast
+import de.westnordost.streetcomplete.util.ktx.updatesWithPermissionChanges
 import de.westnordost.streetcomplete.util.math.area
 import de.westnordost.streetcomplete.util.math.enclosingBoundingBox
 import de.westnordost.streetcomplete.util.math.enlargedBy
@@ -348,15 +349,14 @@ class MainActivity :
                 mainBottomSheetViewModel.closeBottomSheet()
             }
         }
-        observe(locationProvider.updates(LocationRequest())) { locationEvent ->
+        observe(locationProvider.updatesWithPermissionChanges(LocationRequest())) { locationEvent ->
             viewModel.locationState.value = when (locationEvent) {
-                is LocationEvent.Fix -> LocationState.UPDATING
+                is LocationEvent.Update -> LocationState.UPDATING
                 is LocationEvent.Unavailable -> when (locationEvent.reason) {
                     LocationUnavailableReason.ServicesDisabled -> LocationState.ALLOWED
                     LocationUnavailableReason.TemporarilyUnavailable -> LocationState.SEARCHING
                     LocationUnavailableReason.PermissionDenied -> LocationState.DENIED
                     LocationUnavailableReason.Unsupported,
-                    LocationUnavailableReason.Misconfigured,
                     LocationUnavailableReason.UnexpectedFailure -> null
                 }
             }
@@ -490,7 +490,7 @@ class MainActivity :
 
     private fun getDisplayedPoint(): PointF? {
         val mapFragment = mapFragment ?: return null
-        val displayedPosition = mapFragment.displayedLocation?.position?.value?.toLatLon() ?: return null
+        val displayedPosition = mapFragment.displayedLocation?.position?.toLatLon() ?: return null
         return mapFragment.getPointOf(displayedPosition)
     }
 
@@ -588,7 +588,7 @@ class MainActivity :
         viewModel.isRecordingTracks.value = false
         val mapFragment = mapFragment ?: return
         mapFragment.stopPositionTrackRecording()
-        val pos = mapFragment.displayedLocation?.position?.value?.toLatLon() ?: return
+        val pos = mapFragment.displayedLocation?.position?.toLatLon() ?: return
         composeNote(pos, mapFragment.recordedTracks.takeIf { it.isNotEmpty() })
     }
 
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 83c1baba945..c5ace793101 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -146,7 +146,7 @@ kotlin {
                 implementation("org.jetbrains.kotlinx:kotlinx-io-core:0.9.1")
 
                 // location
-                implementation("org.maplibre.compose:location:0.15.0")
+                implementation("org.maplibre.compose:location:0.16.0")
 
                 // SQLite
                 implementation("androidx.sqlite:sqlite:2.7.0")
diff --git a/app/src/androidMain/kotlin/de/westnordost/streetcomplete/screens/main/map/MainMapFragment.kt b/app/src/androidMain/kotlin/de/westnordost/streetcomplete/screens/main/map/MainMapFragment.kt
index 29d761bd41e..64b0593224f 100644
--- a/app/src/androidMain/kotlin/de/westnordost/streetcomplete/screens/main/map/MainMapFragment.kt
+++ b/app/src/androidMain/kotlin/de/westnordost/streetcomplete/screens/main/map/MainMapFragment.kt
@@ -49,17 +49,17 @@ import org.maplibre.android.maps.MapLibreMap
 import org.maplibre.android.maps.Style
 import org.maplibre.android.style.layers.Property
 import org.maplibre.android.style.layers.PropertyFactory.visibility
-import org.maplibre.compose.location.AndroidOrientationProvider
-import org.maplibre.compose.location.Location
+import org.maplibre.compose.location.AndroidHeadingProvider
+import org.maplibre.compose.location.HeadingMeasurement
+import org.maplibre.compose.location.HeadingProvider
+import org.maplibre.compose.location.HeadingRequest
 import org.maplibre.compose.location.LocationEvent
-import org.maplibre.compose.location.Orientation
-import org.maplibre.compose.location.OrientationProvider
-import org.maplibre.compose.location.PositionWithAccuracy
+import org.maplibre.compose.location.LocationMeasurement
 import org.maplibre.spatialk.units.Bearing
-import org.maplibre.spatialk.units.DMS
 import org.maplibre.spatialk.units.International
+import org.maplibre.spatialk.units.extensions.degrees
+import org.maplibre.spatialk.units.extensions.inDegrees
 import kotlin.time.Duration.Companion.milliseconds
-import kotlin.time.TimeSource
 
 /** This is the map shown in the main view. It manages a map that shows the quest pins, quest
  *  geometry, overlays, tracks, location... */
@@ -75,7 +75,7 @@ class MainMapFragment : MapFragment() {
     private val surveyChecker: SurveyChecker by inject()
     private val prefs: Preferences by inject()
 
-    private lateinit var orientationProvider: OrientationProvider
+    private lateinit var headingProvider: HeadingProvider
 
     private var mapImages: MapImages? = null
     private var geometryMarkersMapComponent: GeometryMarkersMapComponent? = null
@@ -106,7 +106,7 @@ class MainMapFragment : MapFragment() {
     private var zoomedYet = false
 
     /** The GPS position at which the user is displayed at */
-    var displayedLocation: Location? = null
+    var displayedLocation: LocationMeasurement? = null
         private set
 
     /** The GPS trackpoints the user has walked */
@@ -161,15 +161,11 @@ class MainMapFragment : MapFragment() {
 
     override fun onAttach(context: Context) {
         super.onAttach(context)
-        orientationProvider = AndroidOrientationProvider(
-            context = context,
-            updateInterval = 33.milliseconds,
-            coroutineScope = lifecycleScope
-        )
+        headingProvider = AndroidHeadingProvider(context)
         lifecycleScope.launch {
             repeatOnLifecycle(Lifecycle.State.STARTED) {
-                orientationProvider.orientation.collect { orientation ->
-                    onCompassRotationChanged(orientation)
+                headingProvider.updates(HeadingRequest(33.milliseconds)).collect { heading ->
+                    onCompassRotationChanged(heading)
                 }
             }
         }
@@ -178,9 +174,7 @@ class MainMapFragment : MapFragment() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         if (savedInstanceState != null) {
-            val position: PositionWithAccuracy? =
-                savedInstanceState.getString(DISPLAYED_POSITION)?.let { Json.decodeFromString(it) }
-            displayedLocation = position?.let { Location(it, timestamp = TimeSource.Monotonic.markNow()) }
+            displayedLocation = savedInstanceState.getString(DISPLAYED_LOCATION)?.let { Json.decodeFromString(it) }
             isRecordingTracks = savedInstanceState.getBoolean(TRACKS_IS_RECORDING)
             tracks = Json.decodeFromString(savedInstanceState.getString(TRACKS)!!)
         }
@@ -278,7 +272,7 @@ class MainMapFragment : MapFragment() {
         onSelectedOverlayChanged()
         selectedOverlaySource.addListener(overlayListener)
 
-        locationMapComponent?.targetPositionWithAccuracy = displayedLocation?.position
+        locationMapComponent?.targetLocation = displayedLocation
 
         val positionsLists = tracks.map { track -> track.map { it.position } }
         tracksMapComponent?.setTracks(positionsLists, isRecordingTracks)
@@ -291,7 +285,7 @@ class MainMapFragment : MapFragment() {
 
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
-        outState.putString(DISPLAYED_POSITION, Json.encodeToString(displayedLocation?.position))
+        outState.putString(DISPLAYED_LOCATION, Json.encodeToString(displayedLocation))
         // the amount of data one can put into a bundle is limited, let's cut off at 1000 points
         outState.putString(TRACKS, Json.encodeToString(tracks.takeLastNested(1000)))
         outState.putBoolean(TRACKS_IS_RECORDING, isRecordingTracks)
@@ -333,27 +327,23 @@ class MainMapFragment : MapFragment() {
         return true
     }
 
-    private fun onCompassRotationChanged(orientation: Orientation?) {
-        val rotation = orientation
-            ?.orientation
-            ?.value
-            ?.clockwiseRotationTo(Bearing.North)
-            ?.toDouble(DMS.Degrees)
-        locationMapComponent?.targetRotation = rotation?.let { rotation - (map?.camera?.rotation ?: 0.0) }?.toFloat()
+    private fun onCompassRotationChanged(heading: HeadingMeasurement) {
+        val cameraBearing = Bearing.North + (map?.camera?.rotation ?: 0.0).degrees
+        locationMapComponent?.targetRotation = (heading.bearing - cameraBearing).inDegrees.toFloat()
     }
 
     fun onLocationEvent(locationEvent: LocationEvent) {
         when (locationEvent) {
-            is LocationEvent.Fix -> {
-                val location = locationEvent.location
+            is LocationEvent.Update -> {
+                val location = locationEvent.measurement
                 displayedLocation = location
-                surveyChecker.addRecentLocation(location.toLocation())
-                locationMapComponent?.targetPositionWithAccuracy = location.position
+                surveyChecker.addRecentLocation(locationEvent.toLocation())
+                locationMapComponent?.targetLocation = location
                 addTrackLocation(location)
                 centerCurrentPositionIfFollowing()
             }
             is LocationEvent.Unavailable -> {
-                locationMapComponent?.targetPositionWithAccuracy = null
+                locationMapComponent?.targetLocation = null
                 displayedLocation = null
                 isNavigationMode = false
 
@@ -408,24 +398,24 @@ class MainMapFragment : MapFragment() {
         previouslyHiddenLayers = new
     }
 
-    private fun addTrackLocation(location: Location) {
+    private fun addTrackLocation(location: LocationMeasurement) {
         // ignore if too imprecise
-        val accuracy = location.position.accuracy?.toFloat(International.Meters)
+        val accuracy = location.horizontalAccuracy?.toFloat(International.Meters)
         if (accuracy != null && accuracy > MIN_TRACK_ACCURACY) return
         val lastLocation = tracks.last().lastOrNull()
 
         // create new track if last position too old
         if (lastLocation != null && !isRecordingTracks) {
-            if ((displayedLocation?.timestamp?.elapsedNow()?.inWholeMilliseconds ?: 0) - lastLocation.time > MAX_TIME_BETWEEN_LOCATIONS) {
+            if (location.measuredAt.toEpochMilliseconds() - lastLocation.time > MAX_TIME_BETWEEN_LOCATIONS) {
                 tracks.add(ArrayList())
                 tracksMapComponent?.startNewTrack(false)
             }
         }
         val trackpoint = Trackpoint(
-            position = location.position.value.toLatLon(),
-            time = location.timestamp.elapsedNow().inWholeMilliseconds,
+            position = location.position.toLatLon(),
+            time = location.measuredAt.toEpochMilliseconds(),
             accuracy = accuracy ?: 0f,
-            elevation = location.position.value.altitude?.toFloat() ?: 0f
+            elevation = location.position.altitude?.toFloat() ?: 0f
         )
 
         tracks.last().add(trackpoint)
@@ -512,7 +502,7 @@ class MainMapFragment : MapFragment() {
     }
 
     private fun centerCurrentPosition() {
-        val displayedPosition = displayedLocation?.position?.value?.let { it.toLatLon() } ?: return
+        val displayedPosition = displayedLocation?.position?.let { it.toLatLon() } ?: return
 
         updateCameraPosition(600) {
             if (isNavigationMode) {
@@ -571,7 +561,7 @@ class MainMapFragment : MapFragment() {
     //endregion
 
     companion object {
-        private const val DISPLAYED_POSITION = "displayed_position"
+        private const val DISPLAYED_LOCATION = "displayed_location"
         private const val TRACKS = "tracks"
         private const val TRACKS_IS_RECORDING = "tracks_is_recording"
 
diff --git a/app/src/androidMain/kotlin/de/westnordost/streetcomplete/screens/main/map/components/CurrentLocationMapComponent.kt b/app/src/androidMain/kotlin/de/westnordost/streetcomplete/screens/main/map/components/CurrentLocationMapComponent.kt
index 417edaf325c..e6ba0e90c9a 100644
--- a/app/src/androidMain/kotlin/de/westnordost/streetcomplete/screens/main/map/components/CurrentLocationMapComponent.kt
+++ b/app/src/androidMain/kotlin/de/westnordost/streetcomplete/screens/main/map/components/CurrentLocationMapComponent.kt
@@ -25,7 +25,7 @@ import org.maplibre.android.style.layers.Property
 import org.maplibre.android.style.layers.PropertyFactory.*
 import org.maplibre.android.style.layers.SymbolLayer
 import org.maplibre.android.style.sources.GeoJsonSource
-import org.maplibre.compose.location.PositionWithAccuracy
+import org.maplibre.compose.location.LocationMeasurement
 import org.maplibre.geojson.Feature
 import org.maplibre.spatialk.geojson.Position
 import org.maplibre.spatialk.units.International
@@ -38,38 +38,40 @@ class CurrentLocationMapComponent(context: Context, mapStyle: Style, private val
     private val locationAnimation = ValueAnimator()
 
     /** The location the GPS location dot on the map should be animated to */
-    var targetPositionWithAccuracy: PositionWithAccuracy? = null
+    var targetLocation: LocationMeasurement? = null
         @UiThread set(value) {
             if (field == value) return
             field = value
-            val positionWithAccuracy = this.positionWithAccuracy
-            if (positionWithAccuracy == null || value == null) {
+            val location = this.location
+            if (location == null || value == null) {
                 locationAnimation.cancel()
-                this.positionWithAccuracy = value
+                this.location = value
                 update()
             } else  {
-                locationAnimation.setObjectValues(positionWithAccuracy, value)
+                locationAnimation.setObjectValues(location, value)
                 locationAnimation.setEvaluator(locationTypeEvaluator)
                 locationAnimation.start()
             }
         }
 
     /** The location of the GPS location dot on the map (animated) */
-    var positionWithAccuracy: PositionWithAccuracy? = null
+    var location: LocationMeasurement? = null
         private set
 
-    private val locationTypeEvaluator = object : TypeEvaluator<PositionWithAccuracy> {
-        override fun evaluate(fraction: Float, s: PositionWithAccuracy, e: PositionWithAccuracy): PositionWithAccuracy {
-            val sp = s.value
-            val ep = e.value
-            val sa = s.accuracy
-            val ea = e.accuracy
-            return PositionWithAccuracy(
-                value = Position(
+    private val locationTypeEvaluator = object : TypeEvaluator<LocationMeasurement> {
+        override fun evaluate(fraction: Float, s: LocationMeasurement, e: LocationMeasurement): LocationMeasurement {
+            val sp = s.position
+            val ep = e.position
+            val sa = s.horizontalAccuracy
+            val ea = e.horizontalAccuracy
+            // Preserve measuredAt from the target measurement while animating its position and accuracy.
+            return e.copy(
+                position = Position(
                     longitude = normalizeLongitude(sp.longitude + (ep.longitude - sp.longitude) * fraction),
                     latitude = sp.latitude + (ep.latitude - sp.latitude) * fraction,
+                    altitude = ep.altitude,
                 ),
-                accuracy = if (ea != null && sa != null) {
+                horizontalAccuracy = if (ea != null && sa != null) {
                     sa + (ea - sa) * fraction.toDouble()
                 } else { null }
             )
@@ -148,7 +150,7 @@ class CurrentLocationMapComponent(context: Context, mapStyle: Style, private val
         locationAnimation.duration = 600L
         locationAnimation.interpolator = AccelerateDecelerateInterpolator()
         locationAnimation.addUpdateListener {
-            positionWithAccuracy = locationAnimation.animatedValue as PositionWithAccuracy
+            location = locationAnimation.animatedValue as LocationMeasurement
             update()
         }
 
@@ -195,15 +197,15 @@ class CurrentLocationMapComponent(context: Context, mapStyle: Style, private val
 
     /** Update the GPS position shown on the map */
     private fun update() {
-        val positionWithAccuracy = this.positionWithAccuracy
-        if (positionWithAccuracy == null) {
+        val location = this.location
+        if (location == null) {
             locationSource.clear()
             return
         }
-        val pos = positionWithAccuracy.value
+        val pos = location.position
 
         val p = JsonObject()
-        p.addProperty("radius", positionWithAccuracy.accuracy?.toDouble(International.Meters))
+        p.addProperty("radius", location.horizontalAccuracy?.toDouble(International.Meters))
         rotation?.let { p.addProperty("rotation", it) }
         map.style?.getLayerAs<CircleLayer>("accuracy")?.setProperties(
             circleRadius(inMeters(get("radius"), pos.latitude))
diff --git a/app/src/androidMain/kotlin/de/westnordost/streetcomplete/ui/util/Location.android.kt b/app/src/androidMain/kotlin/de/westnordost/streetcomplete/ui/util/Location.android.kt
index f59a1ab5bb8..93531f68f38 100644
--- a/app/src/androidMain/kotlin/de/westnordost/streetcomplete/ui/util/Location.android.kt
+++ b/app/src/androidMain/kotlin/de/westnordost/streetcomplete/ui/util/Location.android.kt
@@ -1,15 +1,16 @@
 package de.westnordost.streetcomplete.ui.util
 
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.remember
 import androidx.compose.ui.platform.LocalContext
-import org.maplibre.compose.location.AndroidLocationProvider
 import org.maplibre.compose.location.LocationProvider
 import org.maplibre.compose.location.createDefaultLocationProvider
 
 @Composable
 public actual fun rememberDefaultLocationProvider(): LocationProvider {
     val context = LocalContext.current
-    AndroidLocationProvider(context)
-    return remember(context) { createDefaultLocationProvider(context) }
+    val provider = remember(context) { createDefaultLocationProvider(context) }
+    DisposableEffect(provider) { onDispose { provider.close() } }
+    return provider
 }
diff --git a/app/src/commonMain/kotlin/de/westnordost/streetcomplete/data/location/RecentLocations.kt b/app/src/commonMain/kotlin/de/westnordost/streetcomplete/data/location/RecentLocations.kt
index 9d731096114..981f855fcdd 100644
--- a/app/src/commonMain/kotlin/de/westnordost/streetcomplete/data/location/RecentLocations.kt
+++ b/app/src/commonMain/kotlin/de/westnordost/streetcomplete/data/location/RecentLocations.kt
@@ -34,8 +34,8 @@ class RecentLocations(
 
     fun add(location: Location): Unit = lock.withLock {
         // only add newer locations
-        val firstDuration = locations.firstOrNull()?.elapsedDuration ?: Duration.ZERO
-        if (firstDuration >= location.elapsedDuration) return@withLock
+        val firstDuration = locations.firstOrNull()?.elapsedDuration
+        if (firstDuration != null && firstDuration >= location.elapsedDuration) return@withLock
 
         // clear from deque all older than `maxAge` before inserting new
         while (
diff --git a/app/src/commonMain/kotlin/de/westnordost/streetcomplete/data/quest/AutoSyncer.kt b/app/src/commonMain/kotlin/de/westnordost/streetcomplete/data/quest/AutoSyncer.kt
index 436d814a29a..bba0ae2bc6e 100644
--- a/app/src/commonMain/kotlin/de/westnordost/streetcomplete/data/quest/AutoSyncer.kt
+++ b/app/src/commonMain/kotlin/de/westnordost/streetcomplete/data/quest/AutoSyncer.kt
@@ -19,6 +19,7 @@ import de.westnordost.streetcomplete.data.upload.UploadController
 import de.westnordost.streetcomplete.data.user.UserLoginSource
 import de.westnordost.streetcomplete.data.visiblequests.TeamModeQuestFilterSource
 import de.westnordost.streetcomplete.util.ktx.format
+import de.westnordost.streetcomplete.util.ktx.updatesWithPermissionChanges
 import de.westnordost.streetcomplete.util.logs.Log
 import kotlinx.coroutines.CoroutineName
 import kotlinx.coroutines.CoroutineScope
@@ -117,9 +118,9 @@ class AutoSyncer(
         coroutineScope.launch {
             owner.repeatOnLifecycle(Lifecycle.State.STARTED) {
                 val request = LocationRequest(LocationAccuracy.High, 30.seconds, 100.meters)
-                locationProvider.updates(request).collect { locationEvent ->
-                    if (locationEvent is LocationEvent.Fix) {
-                        val (position, accuracy) = locationEvent.location.position
+                locationProvider.updatesWithPermissionChanges(request).collect { locationEvent ->
+                    if (locationEvent is LocationEvent.Update) {
+                        val (position, accuracy) = locationEvent.measurement
                         if (accuracy == null || accuracy < 300.meters) {
                             pos = LatLon(position.latitude, position.longitude)
                             triggerAutoDownload()
diff --git a/app/src/commonMain/kotlin/de/westnordost/streetcomplete/util/ktx/Location.kt b/app/src/commonMain/kotlin/de/westnordost/streetcomplete/util/ktx/Location.kt
index a6ee3873989..1819e93b595 100644
--- a/app/src/commonMain/kotlin/de/westnordost/streetcomplete/util/ktx/Location.kt
+++ b/app/src/commonMain/kotlin/de/westnordost/streetcomplete/util/ktx/Location.kt
@@ -2,14 +2,28 @@ package de.westnordost.streetcomplete.util.ktx
 
 import de.westnordost.streetcomplete.data.location.Location
 import de.westnordost.streetcomplete.data.osm.mapdata.LatLon
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flatMapLatest
+import org.maplibre.compose.location.LocationEvent
+import org.maplibre.compose.location.LocationProvider
+import org.maplibre.compose.location.LocationRequest
 import org.maplibre.spatialk.units.International
+import kotlin.time.TimeSource
 
-fun org.maplibre.compose.location.Location.toLocation(): Location =
+private val locationTimeMark = TimeSource.Monotonic.markNow()
+
+fun LocationEvent.Update.toLocation(): Location =
     Location(
-        position = position.value.toLatLon(),
-        accuracy = position.accuracy?.toFloat(International.Meters) ?: 0f,
-        elapsedDuration = timestamp.elapsedNow(),
+        position = measurement.position.toLatLon(),
+        accuracy = measurement.horizontalAccuracy?.toFloat(International.Meters) ?: 0f,
+        elapsedDuration = locationTimeMark.elapsedNow() - measurementMark.elapsedNow(),
     )
 
 fun org.maplibre.spatialk.geojson.Position.toLatLon(): LatLon =
     LatLon(latitude, longitude)
+
+// TODO remove after upgrading to a version containing https://github.com/maplibre/maplibre-compose/pull/1393
+@OptIn(ExperimentalCoroutinesApi::class)
+fun LocationProvider.updatesWithPermissionChanges(request: LocationRequest): Flow<LocationEvent> =
+    permission.flatMapLatest { updates(request) }
diff --git a/app/src/commonTest/kotlin/de/westnordost/streetcomplete/data/location/RecentLocationsTest.kt b/app/src/commonTest/kotlin/de/westnordost/streetcomplete/data/location/RecentLocationsTest.kt
index 6a6acdef84f..798a4120819 100644
--- a/app/src/commonTest/kotlin/de/westnordost/streetcomplete/data/location/RecentLocationsTest.kt
+++ b/app/src/commonTest/kotlin/de/westnordost/streetcomplete/data/location/RecentLocationsTest.kt
@@ -2,11 +2,17 @@ package de.westnordost.streetcomplete.data.location
 
 import de.westnordost.streetcomplete.data.osm.mapdata.LatLon
 import de.westnordost.streetcomplete.util.ktx.asSequenceOfPairs
+import de.westnordost.streetcomplete.util.ktx.toLocation
 import de.westnordost.streetcomplete.util.math.translate
+import org.maplibre.compose.location.LocationEvent
+import org.maplibre.compose.location.LocationMeasurement
+import org.maplibre.spatialk.geojson.Position
 import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlin.test.assertTrue
 import kotlin.time.Duration.Companion.seconds
+import kotlin.time.Instant
+import kotlin.time.TimeSource
 
 class RecentLocationsTest {
     @Test fun `getAll returns nothing when empty`() {
@@ -25,6 +31,23 @@ class RecentLocationsTest {
         )
     }
 
+    @Test fun `accepts first location with zero elapsedDuration`() {
+        val r = RecentLocations(10.seconds, 1.0, 1.seconds)
+        val location = Location(LatLon(0.0, 0.0), 1f, 0.seconds)
+        r.add(location)
+
+        assertEquals(location, r.getAll().toList().single())
+    }
+
+    @Test fun `accepts first location with negative elapsedDuration`() {
+        // A cached fix can predate the adapter's monotonic time origin.
+        val r = RecentLocations(10.seconds, 1.0, 1.seconds)
+        val location = Location(LatLon(0.0, 0.0), 1f, (-1).seconds)
+        r.add(location)
+
+        assertEquals(location, r.getAll().toList().single())
+    }
+
     @Test fun `getAll returns ordered by elapsedDuration descending`() {
         val r = RecentLocations(10.seconds, 1.0, 1.seconds)
         val l1 = Location(LatLon(0.0, 0.0), 1f, 1.seconds)
@@ -37,6 +60,25 @@ class RecentLocationsTest {
         }
     }
 
+    @Test fun `retains a fresh fix after an older converted fix`() {
+        // Using a fix's age as its timestamp made RecentLocations discard newer fixes.
+        val r = RecentLocations(60.seconds, 1.0, 1.seconds)
+        val mark = TimeSource.Monotonic.markNow()
+        val measurement = LocationMeasurement(
+            position = Position(2.0, 1.0),
+            measuredAt = Instant.fromEpochSeconds(100),
+        )
+        val older = LocationEvent.Update(measurement, mark - 10.seconds).toLocation()
+        val newer = LocationEvent.Update(
+            measurement.copy(position = Position(3.0, 1.0), measuredAt = Instant.fromEpochSeconds(110)),
+            mark,
+        ).toLocation()
+        r.add(older)
+        r.add(newer)
+
+        assertEquals(listOf(newer, older), r.getAll().toList())
+    }
+
     @Test fun `does not add older locations`() {
         val r = RecentLocations(10.seconds, 1.0, 1.seconds)
         val l1 = Location(LatLon(0.0, 0.0), 1f, 10.seconds)
diff --git a/app/src/iosMain/kotlin/de/westnordost/streetcomplete/ui/util/Location.ios.kt b/app/src/iosMain/kotlin/de/westnordost/streetcomplete/ui/util/Location.ios.kt
index b4bac024208..c26c1f6e622 100644
--- a/app/src/iosMain/kotlin/de/westnordost/streetcomplete/ui/util/Location.ios.kt
+++ b/app/src/iosMain/kotlin/de/westnordost/streetcomplete/ui/util/Location.ios.kt
@@ -1,10 +1,14 @@
 package de.westnordost.streetcomplete.ui.util
 
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.remember
 import org.maplibre.compose.location.IosLocationProvider
 import org.maplibre.compose.location.LocationProvider
 
-@Composable actual fun rememberDefaultLocationProvider(): LocationProvider = remember {
-    IosLocationProvider()
+// Identical to the upstream maplibre-compose implementation.
+@Composable actual fun rememberDefaultLocationProvider(): LocationProvider {
+    val provider = remember { IosLocationProvider() }
+    DisposableEffect(provider) { onDispose { provider.close() } }
+    return provider
 }