diff --git a/app/src/main/java/com/keylesspalace/tusky/components/account/AccountActivity.kt b/app/src/main/java/com/keylesspalace/tusky/components/account/AccountActivity.kt
index 0d3e05cb..b46d6124 100644
--- a/app/src/main/java/com/keylesspalace/tusky/components/account/AccountActivity.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/components/account/AccountActivity.kt
@@ -811,9 +811,12 @@ class AccountActivity : BottomSheetActivity(), ActionButtonActivity, HasAndroidI
     private fun mention() {
         loadedAccount?.let {
             val options = if (viewModel.isSelf) {
-                ComposeActivity.ComposeOptions()
+                ComposeActivity.ComposeOptions(kind = ComposeActivity.ComposeKind.NEW)
             } else {
-                ComposeActivity.ComposeOptions(mentionedUsernames = setOf(it.username))
+                ComposeActivity.ComposeOptions(
+                    mentionedUsernames = setOf(it.username),
+                    kind = ComposeActivity.ComposeKind.NEW
+                )
             }
             val intent = ComposeActivity.startIntent(this, options)
             startActivity(intent)
diff --git a/app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeActivity.kt b/app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeActivity.kt
index 5f708b82..2fb2ff9a 100644
--- a/app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeActivity.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeActivity.kt
@@ -1115,30 +1115,79 @@ class ComposeActivity :
         val contentText = binding.composeEditField.text.toString()
         val contentWarning = binding.composeContentWarningField.text.toString()
         if (viewModel.didChange(contentText, contentWarning)) {
-
-            val warning = if (!viewModel.media.value.isEmpty()) {
-                R.string.compose_save_draft_loses_media
-            } else {
-                R.string.compose_save_draft
-            }
-
-            AlertDialog.Builder(this)
-                .setMessage(warning)
-                .setPositiveButton(R.string.action_save) { _, _ ->
-                    viewModel.stopUploads()
-                    saveDraftAndFinish(contentText, contentWarning)
-                }
-                .setNegativeButton(R.string.action_delete) { _, _ ->
-                    viewModel.stopUploads()
-                    deleteDraftAndFinish()
-                }
-                .show()
+            when (viewModel.composeKind) {
+                ComposeKind.NEW -> getSaveAsDraftOrDiscardDialog(contentText, contentWarning)
+                ComposeKind.EDIT_DRAFT -> getUpdateDraftOrDiscardDialog(contentText, contentWarning)
+                ComposeKind.EDIT_POSTED -> getContinueEditingOrDiscardDialog()
+                ComposeKind.EDIT_SCHEDULED -> getContinueEditingOrDiscardDialog()
+            }.show()
         } else {
             viewModel.stopUploads()
             finishWithoutSlideOutAnimation()
         }
     }
 
+    /**
+     * User is editing a new post, and can either save the changes as a draft or discard them.
+     */
+    private fun getSaveAsDraftOrDiscardDialog(contentText: String, contentWarning: String): AlertDialog.Builder {
+        val warning = if (viewModel.media.value.isNotEmpty()) {
+            R.string.compose_save_draft_loses_media
+        } else {
+            R.string.compose_save_draft
+        }
+
+        return AlertDialog.Builder(this)
+            .setMessage(warning)
+            .setPositiveButton(R.string.action_save) { _, _ ->
+                viewModel.stopUploads()
+                saveDraftAndFinish(contentText, contentWarning)
+            }
+            .setNegativeButton(R.string.action_delete) { _, _ ->
+                viewModel.stopUploads()
+                deleteDraftAndFinish()
+            }
+    }
+
+    /**
+     * User is editing an existing draft, and can either update the draft with the new changes or
+     * discard them.
+     */
+    private fun getUpdateDraftOrDiscardDialog(contentText: String, contentWarning: String): AlertDialog.Builder {
+        val warning = if (viewModel.media.value.isNotEmpty()) {
+            R.string.compose_save_draft_loses_media
+        } else {
+            R.string.compose_save_draft
+        }
+
+        return AlertDialog.Builder(this)
+            .setMessage(warning)
+            .setPositiveButton(R.string.action_save) { _, _ ->
+                viewModel.stopUploads()
+                saveDraftAndFinish(contentText, contentWarning)
+            }
+            .setNegativeButton(R.string.action_discard) { _, _ ->
+                viewModel.stopUploads()
+                finishWithoutSlideOutAnimation()
+            }
+    }
+
+    /**
+     * User is editing a post (scheduled, or posted), and can either go back to editing, or
+     * discard the changes.
+     */
+    private fun getContinueEditingOrDiscardDialog(): AlertDialog.Builder {
+        return AlertDialog.Builder(this)
+            .setMessage(R.string.compose_unsaved_changes)
+            .setPositiveButton(R.string.action_continue_edit) { _, _ ->
+                // Do nothing, dialog will dismiss, user can continue editing
+            }
+            .setNegativeButton(R.string.action_discard) { _, _ ->
+                viewModel.stopUploads()
+                finishWithoutSlideOutAnimation()
+            }
+    }
+
     private fun deleteDraftAndFinish() {
         viewModel.deleteDraft()
         finishWithoutSlideOutAnimation()
@@ -1217,6 +1266,24 @@ class ComposeActivity :
         }
     }
 
+    /**
+     * Status' kind. This particularly affects how the status is handled if the user
+     * backs out of the edit.
+     */
+    enum class ComposeKind {
+        /** Status is new */
+        NEW,
+
+        /** Editing a posted status */
+        EDIT_POSTED,
+
+        /** Editing a status started as an existing draft */
+        EDIT_DRAFT,
+
+        /** Editing an an existing scheduled status */
+        EDIT_SCHEDULED
+    }
+
     @Parcelize
     data class ComposeOptions(
         // Let's keep fields var until all consumers are Kotlin
@@ -1240,6 +1307,7 @@ class ComposeActivity :
         var modifiedInitialState: Boolean? = null,
         var language: String? = null,
         var statusId: String? = null,
+        var kind: ComposeKind? = null
     ) : Parcelable
 
     companion object {
diff --git a/app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeViewModel.kt b/app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeViewModel.kt
index e697fad6..75cad529 100644
--- a/app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeViewModel.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeViewModel.kt
@@ -95,6 +95,8 @@ class ComposeViewModel @Inject constructor(
     val media: MutableStateFlow<List<QueuedMedia>> = MutableStateFlow(emptyList())
     val uploadError = MutableSharedFlow<Throwable>(replay = 0, extraBufferCapacity = 1, onBufferOverflow = BufferOverflow.DROP_OLDEST)
 
+    lateinit var composeKind: ComposeActivity.ComposeKind
+
     // Used in ComposeActivity to pass state to result function when cropImage contract inflight
     var cropImageItemOld: QueuedMedia? = null
 
@@ -213,15 +215,8 @@ class ComposeViewModel @Inject constructor(
     }
 
     fun didChange(content: String?, contentWarning: String?): Boolean {
-
-        val textChanged = !(
-            content.isNullOrEmpty() ||
-                startingText?.startsWith(content.toString()) ?: false
-            )
-
-        val contentWarningChanged = showContentWarning.value &&
-            !contentWarning.isNullOrEmpty() &&
-            !startingContentWarning.startsWith(contentWarning.toString())
+        val textChanged = content.orEmpty() != startingText.orEmpty()
+        val contentWarningChanged = contentWarning.orEmpty() != startingContentWarning
         val mediaChanged = media.value.isNotEmpty()
         val pollChanged = poll.value != null
         val didScheduledTimeChange = hasScheduledTimeChanged
@@ -411,6 +406,8 @@ class ComposeViewModel @Inject constructor(
             return
         }
 
+        composeKind = composeOptions?.kind ?: ComposeActivity.ComposeKind.NEW
+
         val preferredVisibility = accountManager.activeAccount!!.defaultPostPrivacy
 
         val replyVisibility = composeOptions?.replyVisibility ?: Status.Visibility.UNKNOWN
diff --git a/app/src/main/java/com/keylesspalace/tusky/components/drafts/DraftsActivity.kt b/app/src/main/java/com/keylesspalace/tusky/components/drafts/DraftsActivity.kt
index ba0c215d..7cdcd259 100644
--- a/app/src/main/java/com/keylesspalace/tusky/components/drafts/DraftsActivity.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/components/drafts/DraftsActivity.kt
@@ -112,6 +112,7 @@ class DraftsActivity : BaseActivity(), DraftActionListener {
                             scheduledAt = draft.scheduledAt,
                             language = draft.language,
                             statusId = draft.statusId,
+                            kind = ComposeActivity.ComposeKind.EDIT_DRAFT
                         )
 
                         bottomSheet.state = BottomSheetBehavior.STATE_HIDDEN
@@ -149,6 +150,7 @@ class DraftsActivity : BaseActivity(), DraftActionListener {
             scheduledAt = draft.scheduledAt,
             language = draft.language,
             statusId = draft.statusId,
+            kind = ComposeActivity.ComposeKind.EDIT_DRAFT
         )
 
         startActivity(ComposeActivity.startIntent(this, composeOptions))
diff --git a/app/src/main/java/com/keylesspalace/tusky/components/notifications/NotificationHelper.java b/app/src/main/java/com/keylesspalace/tusky/components/notifications/NotificationHelper.java
index af70cce2..41853cc1 100644
--- a/app/src/main/java/com/keylesspalace/tusky/components/notifications/NotificationHelper.java
+++ b/app/src/main/java/com/keylesspalace/tusky/components/notifications/NotificationHelper.java
@@ -371,6 +371,7 @@ public class NotificationHelper {
         composeOptions.setMentionedUsernames(mentionedUsernames);
         composeOptions.setModifiedInitialState(true);
         composeOptions.setLanguage(actionableStatus.getLanguage());
+        composeOptions.setKind(ComposeActivity.ComposeKind.NEW);
 
         Intent composeIntent = ComposeActivity.startIntent(
                 context,
diff --git a/app/src/main/java/com/keylesspalace/tusky/components/scheduled/ScheduledStatusActivity.kt b/app/src/main/java/com/keylesspalace/tusky/components/scheduled/ScheduledStatusActivity.kt
index 43ce346d..ade93322 100644
--- a/app/src/main/java/com/keylesspalace/tusky/components/scheduled/ScheduledStatusActivity.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/components/scheduled/ScheduledStatusActivity.kt
@@ -128,7 +128,8 @@ class ScheduledStatusActivity : BaseActivity(), ScheduledStatusActionListener, I
                 inReplyToId = item.params.inReplyToId,
                 visibility = item.params.visibility,
                 scheduledAt = item.scheduledAt,
-                sensitive = item.params.sensitive
+                sensitive = item.params.sensitive,
+                kind = ComposeActivity.ComposeKind.EDIT_SCHEDULED
             )
         )
         startActivity(intent)
diff --git a/app/src/main/java/com/keylesspalace/tusky/components/search/fragments/SearchStatusesFragment.kt b/app/src/main/java/com/keylesspalace/tusky/components/search/fragments/SearchStatusesFragment.kt
index b261ce31..103bcfc5 100644
--- a/app/src/main/java/com/keylesspalace/tusky/components/search/fragments/SearchStatusesFragment.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/components/search/fragments/SearchStatusesFragment.kt
@@ -223,6 +223,7 @@ class SearchStatusesFragment : SearchFragment<StatusViewData.Concrete>(), Status
                 replyingStatusAuthor = actionableStatus.account.localUsername,
                 replyingStatusContent = status.content.toString(),
                 language = actionableStatus.language,
+                kind = ComposeActivity.ComposeKind.NEW
             )
         )
         bottomSheetActivity?.startActivityWithSlideInAnimation(intent)
@@ -481,6 +482,7 @@ class SearchStatusesFragment : SearchFragment<StatusViewData.Concrete>(), Status
                                         sensitive = redraftStatus.sensitive,
                                         poll = redraftStatus.poll?.toNewPoll(status.createdAt),
                                         language = redraftStatus.language,
+                                        kind = ComposeActivity.ComposeKind.NEW
                                     )
                                 )
                                 startActivity(intent)
@@ -510,6 +512,7 @@ class SearchStatusesFragment : SearchFragment<StatusViewData.Concrete>(), Status
                         language = status.language,
                         statusId = source.id,
                         poll = status.poll?.toNewPoll(status.createdAt),
+                        kind = ComposeActivity.ComposeKind.EDIT_POSTED,
                     )
                     startActivity(ComposeActivity.startIntent(requireContext(), composeOptions))
                 },
diff --git a/app/src/main/java/com/keylesspalace/tusky/fragment/SFragment.kt b/app/src/main/java/com/keylesspalace/tusky/fragment/SFragment.kt
index 9b217f84..32808cce 100644
--- a/app/src/main/java/com/keylesspalace/tusky/fragment/SFragment.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/fragment/SFragment.kt
@@ -45,6 +45,7 @@ import com.keylesspalace.tusky.PostLookupFallbackBehavior
 import com.keylesspalace.tusky.R
 import com.keylesspalace.tusky.StatusListActivity.Companion.newHashtagIntent
 import com.keylesspalace.tusky.ViewMediaActivity.Companion.newIntent
+import com.keylesspalace.tusky.components.compose.ComposeActivity
 import com.keylesspalace.tusky.components.compose.ComposeActivity.Companion.startIntent
 import com.keylesspalace.tusky.components.compose.ComposeActivity.ComposeOptions
 import com.keylesspalace.tusky.components.report.ReportActivity.Companion.getIntent
@@ -135,6 +136,7 @@ abstract class SFragment : Fragment(), Injectable {
             replyingStatusAuthor = account.localUsername,
             replyingStatusContent = actionableStatus.content.parseAsMastodonHtml().toString(),
             language = actionableStatus.language,
+            kind = ComposeActivity.ComposeKind.NEW
         )
 
         val intent = startIntent(requireContext(), composeOptions)
@@ -411,6 +413,7 @@ abstract class SFragment : Fragment(), Injectable {
                                 modifiedInitialState = true,
                                 language = sourceStatus.language,
                                 poll = sourceStatus.poll?.toNewPoll(sourceStatus.createdAt),
+                                kind = ComposeActivity.ComposeKind.NEW
                             )
                             startActivity(startIntent(requireContext(), composeOptions))
                         }
@@ -437,6 +440,7 @@ abstract class SFragment : Fragment(), Injectable {
                         language = status.language,
                         statusId = source.id,
                         poll = status.poll?.toNewPoll(status.createdAt),
+                        kind = ComposeActivity.ComposeKind.EDIT_POSTED
                     )
                     startActivity(startIntent(requireContext(), composeOptions))
                 },
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 6fcc16b0..2a66137f 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -109,6 +109,8 @@
     <string name="action_delete">Delete</string>
     <string name="action_delete_conversation">Delete conversation</string>
     <string name="action_delete_and_redraft">Delete and re-draft</string>
+    <string name="action_discard">Discard changes</string>
+    <string name="action_continue_edit">Continue editing</string>
     <string name="action_send">TOOT</string>
     <string name="action_send_public">TOOT!</string>
     <string name="action_retry">Retry</string>
@@ -443,6 +445,7 @@
     <string name="lock_account_label_description">Requires you to manually approve followers</string>
     <string name="compose_save_draft">Save draft?</string>
     <string name="compose_save_draft_loses_media">Save draft? (Attachments will be uploaded again when you restore the draft.)</string>
+    <string name="compose_unsaved_changes">You have unsaved changes.</string>
     <string name="send_post_notification_title">Sending post…</string>
     <string name="send_post_notification_error_title">Error sending post</string>
     <string name="send_post_notification_channel_name">Sending Posts</string>