diff --git a/mastodon/build.gradle b/mastodon/build.gradle
index cd0a6f70..1b2e4ecd 100644
--- a/mastodon/build.gradle
+++ b/mastodon/build.gradle
@@ -13,8 +13,8 @@ android {
 		applicationId "org.joinmastodon.android"
 		minSdk 23
 		targetSdk 34
-		versionCode 128
-		versionName "2.9.0"
+		versionCode 129
+		versionName "2.9.1"
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 	}
 
diff --git a/mastodon/src/main/java/org/joinmastodon/android/fragments/ProfileFragment.java b/mastodon/src/main/java/org/joinmastodon/android/fragments/ProfileFragment.java
index 3949c678..3229eae9 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/ProfileFragment.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/ProfileFragment.java
@@ -50,6 +50,7 @@ import android.widget.Toolbar;
 
 import org.joinmastodon.android.GlobalUserPreferences;
 import org.joinmastodon.android.R;
+import org.joinmastodon.android.api.MastodonAPIRequest;
 import org.joinmastodon.android.api.requests.accounts.GetAccountByID;
 import org.joinmastodon.android.api.requests.accounts.GetAccountFamiliarFollowers;
 import org.joinmastodon.android.api.requests.accounts.GetAccountRelationships;
@@ -95,6 +96,7 @@ import java.time.format.DateTimeFormatter;
 import java.time.format.FormatStyle;
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -104,6 +106,7 @@ import androidx.recyclerview.widget.RecyclerView;
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 import androidx.viewpager2.widget.ViewPager2;
 import me.grishka.appkit.Nav;
+import me.grishka.appkit.api.APIRequest;
 import me.grishka.appkit.api.Callback;
 import me.grishka.appkit.api.ErrorResponse;
 import me.grishka.appkit.api.SimpleCallback;
@@ -172,6 +175,7 @@ public class ProfileFragment extends LoaderFragment implements ScrollableToTop,
 	private MenuItem editSaveMenuItem;
 	private boolean savingEdits;
 	private Runnable editModeBackCallback=this::onEditModeBackCallback;
+	private HashSet<APIRequest<?>> relationshipRequests=new HashSet<>();
 
 	@Override
 	public void onCreate(Bundle savedInstanceState){
@@ -200,6 +204,14 @@ public class ProfileFragment extends LoaderFragment implements ScrollableToTop,
 		setHasOptionsMenu(true);
 	}
 
+	@Override
+	public void onDestroy(){
+		super.onDestroy();
+		for(APIRequest<?> req:relationshipRequests)
+			req.cancel();
+		relationshipRequests.clear();
+	}
+
 	@Override
 	public View onCreateContentView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
 		View content=inflater.inflate(R.layout.fragment_profile, container, false);
@@ -801,10 +813,13 @@ public class ProfileFragment extends LoaderFragment implements ScrollableToTop,
 	}
 
 	private void loadRelationship(){
-		new GetAccountRelationships(Collections.singletonList(account.id))
-				.setCallback(new Callback<>(){
+		MastodonAPIRequest<List<Relationship>> relReq=new GetAccountRelationships(Collections.singletonList(account.id));
+		relReq.setCallback(new Callback<>(){
 					@Override
 					public void onSuccess(List<Relationship> result){
+						relationshipRequests.remove(relReq);
+						if(getActivity()==null)
+							return;
 						if(!result.isEmpty()){
 							relationship=result.get(0);
 							updateRelationship();
@@ -813,14 +828,17 @@ public class ProfileFragment extends LoaderFragment implements ScrollableToTop,
 
 					@Override
 					public void onError(ErrorResponse error){
-
+						relationshipRequests.remove(relReq);
 					}
 				})
 				.exec(accountID);
-		new GetAccountFamiliarFollowers(Set.of(account.id))
-				.setCallback(new Callback<>(){
+		MastodonAPIRequest<List<FamiliarFollowers>> followersReq=new GetAccountFamiliarFollowers(Set.of(account.id));
+		followersReq.setCallback(new Callback<>(){
 					@Override
 					public void onSuccess(List<FamiliarFollowers> result){
+						relationshipRequests.remove(followersReq);
+						if(getActivity()==null)
+							return;
 						for(FamiliarFollowers ff:result){
 							if(ff.id.equals(account.id)){
 								familiarFollowers=ff.accounts;
@@ -832,10 +850,12 @@ public class ProfileFragment extends LoaderFragment implements ScrollableToTop,
 
 					@Override
 					public void onError(ErrorResponse error){
-
+						relationshipRequests.remove(followersReq);
 					}
 				})
 				.exec(accountID);
+		relationshipRequests.add(relReq);
+		relationshipRequests.add(followersReq);
 	}
 
 	private void updateRelationship(){
diff --git a/mastodon/src/main/java/org/joinmastodon/android/ui/text/HtmlParser.java b/mastodon/src/main/java/org/joinmastodon/android/ui/text/HtmlParser.java
index c0d70e0a..b7a56c6d 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/ui/text/HtmlParser.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/ui/text/HtmlParser.java
@@ -90,8 +90,8 @@ public class HtmlParser{
 		Map<String, String> idsByUrl=mentions.stream().distinct().collect(Collectors.toMap(m->m.url, m->m.id));
 		// Hashtags in remote posts have remote URLs, these have local URLs so they don't match.
 //		Map<String, String> tagsByUrl=tags.stream().collect(Collectors.toMap(t->t.url, t->t.name));
-		Map<String, Hashtag> tagsByTag=tags.stream().distinct().collect(Collectors.toMap(t->t.name.toLowerCase(), Function.identity()));
-		Map<String, Mention> mentionsByID=mentions.stream().distinct().collect(Collectors.toMap(m->m.id, Function.identity()));
+		Map<String, Hashtag> tagsByTag=tags.stream().distinct().collect(Collectors.toMap(t->t.name.toLowerCase(), Function.identity(), (a, b)->a));
+		Map<String, Mention> mentionsByID=mentions.stream().distinct().collect(Collectors.toMap(m->m.id, Function.identity(), (a, b)->a));
 
 		source=source.replaceAll("[\u2028\u2029]", "<br>");
 		final SpannableStringBuilder ssb=new SpannableStringBuilder();