diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index ee7bc79ddf447..80f8fb8118b9c 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -33,7 +33,7 @@ use helix_core::{
 use helix_view::{
     clipboard::ClipboardType,
     document::{FormatterError, Mode, SCRATCH_BUFFER_NAME},
-    editor::{Action, Motion},
+    editor::{Action, CompleteAction, Motion},
     info::Info,
     input::KeyEvent,
     keyboard::KeyCode,
@@ -4178,16 +4178,23 @@ pub fn completion(cx: &mut Context) {
 
     let (view, doc) = current!(cx.editor);
 
+    let savepoint = if let Some(CompleteAction::Selected { savepoint }) = &cx.editor.last_completion
+    {
+        savepoint.clone()
+    } else {
+        doc.savepoint(view)
+    };
+
     let language_server = match doc.language_server() {
         Some(language_server) => language_server,
         None => return,
     };
 
     let offset_encoding = language_server.offset_encoding();
-    let text = doc.text().slice(..);
-    let cursor = doc.selection(view.id).primary().cursor(text);
+    let text = savepoint.text.clone();
+    let cursor = savepoint.cursor();
 
-    let pos = pos_to_lsp_pos(doc.text(), cursor, offset_encoding);
+    let pos = pos_to_lsp_pos(&text, cursor, offset_encoding);
 
     let future = match language_server.completion(doc.identifier(), pos, None) {
         Some(future) => future,
@@ -4222,7 +4229,6 @@ pub fn completion(cx: &mut Context) {
     iter.reverse();
     let offset = iter.take_while(|ch| chars::char_is_word(*ch)).count();
     let start_offset = cursor.saturating_sub(offset);
-    let savepoint = doc.savepoint(view);
 
     let trigger_doc = doc.id();
     let trigger_view = view.id;
diff --git a/helix-term/src/ui/completion.rs b/helix-term/src/ui/completion.rs
index bc216509f3ca6..c5c405801f288 100644
--- a/helix-term/src/ui/completion.rs
+++ b/helix-term/src/ui/completion.rs
@@ -16,7 +16,6 @@ use crate::commands;
 use crate::ui::{menu, Markdown, Menu, Popup, PromptEvent};
 
 use helix_lsp::{lsp, util};
-use lsp::CompletionItem;
 
 impl menu::Item for CompletionItem {
     type Data = ();
@@ -26,28 +25,29 @@ impl menu::Item for CompletionItem {
 
     #[inline]
     fn filter_text(&self, _data: &Self::Data) -> Cow<str> {
-        self.filter_text
+        self.item
+            .filter_text
             .as_ref()
-            .unwrap_or(&self.label)
+            .unwrap_or(&self.item.label)
             .as_str()
             .into()
     }
 
     fn format(&self, _data: &Self::Data) -> menu::Row {
-        let deprecated = self.deprecated.unwrap_or_default()
-            || self.tags.as_ref().map_or(false, |tags| {
+        let deprecated = self.item.deprecated.unwrap_or_default()
+            || self.item.tags.as_ref().map_or(false, |tags| {
                 tags.contains(&lsp::CompletionItemTag::DEPRECATED)
             });
         menu::Row::new(vec![
             menu::Cell::from(Span::styled(
-                self.label.as_str(),
+                self.item.label.as_str(),
                 if deprecated {
                     Style::default().add_modifier(Modifier::CROSSED_OUT)
                 } else {
                     Style::default()
                 },
             )),
-            menu::Cell::from(match self.kind {
+            menu::Cell::from(match self.item.kind {
                 Some(lsp::CompletionItemKind::TEXT) => "text",
                 Some(lsp::CompletionItemKind::METHOD) => "method",
                 Some(lsp::CompletionItemKind::FUNCTION) => "function",
@@ -88,6 +88,12 @@ impl menu::Item for CompletionItem {
     }
 }
 
+#[derive(Debug, PartialEq, Default, Clone)]
+struct CompletionItem {
+    item: lsp::CompletionItem,
+    resolved: bool,
+}
+
 /// Wraps a Menu.
 pub struct Completion {
     popup: Popup<Menu<CompletionItem>>,
@@ -103,7 +109,7 @@ impl Completion {
     pub fn new(
         editor: &Editor,
         savepoint: Arc<SavePoint>,
-        mut items: Vec<CompletionItem>,
+        mut items: Vec<lsp::CompletionItem>,
         offset_encoding: helix_lsp::OffsetEncoding,
         start_offset: usize,
         trigger_offset: usize,
@@ -111,6 +117,13 @@ impl Completion {
         let replace_mode = editor.config().completion_replace;
         // Sort completion items according to their preselect status (given by the LSP server)
         items.sort_by_key(|item| !item.preselect.unwrap_or(false));
+        let items = items
+            .into_iter()
+            .map(|item| CompletionItem {
+                item,
+                resolved: false,
+            })
+            .collect();
 
         // Then create the menu
         let menu = Menu::new(items, (), move |editor: &mut Editor, item, event| {
@@ -128,7 +141,7 @@ impl Completion {
                 let text = doc.text().slice(..);
                 let primary_cursor = selection.primary().cursor(text);
 
-                let (edit_offset, new_text) = if let Some(edit) = &item.text_edit {
+                let (edit_offset, new_text) = if let Some(edit) = &item.item.text_edit {
                     let edit = match edit {
                         lsp::CompletionTextEdit::Edit(edit) => edit.clone(),
                         lsp::CompletionTextEdit::InsertAndReplace(item) => {
@@ -151,9 +164,10 @@ impl Completion {
                     (Some((start_offset, end_offset)), edit.new_text)
                 } else {
                     let new_text = item
+                        .item
                         .insert_text
                         .clone()
-                        .unwrap_or_else(|| item.label.clone());
+                        .unwrap_or_else(|| item.item.label.clone());
                     // check that we are still at the correct savepoint
                     // we can still generate a transaction regardless but if the
                     // document changed (and not just the selection) then we will
@@ -162,9 +176,9 @@ impl Completion {
                     (None, new_text)
                 };
 
-                if matches!(item.kind, Some(lsp::CompletionItemKind::SNIPPET))
+                if matches!(item.item.kind, Some(lsp::CompletionItemKind::SNIPPET))
                     || matches!(
-                        item.insert_text_format,
+                        item.item.insert_text_format,
                         Some(lsp::InsertTextFormat::SNIPPET)
                     )
                 {
@@ -209,14 +223,27 @@ impl Completion {
 
             let (view, doc) = current!(editor);
 
-            // if more text was entered, remove it
-            doc.restore(view, &savepoint);
-
             match event {
-                PromptEvent::Abort => {
-                    editor.last_completion = None;
-                }
+                PromptEvent::Abort => {}
                 PromptEvent::Update => {
+                    // Update creates "ghost" transactions which are not sent to the
+                    // lsp server to avoid messing up re-requesting completions. Once a
+                    // completion has been selected (with tab, c-n or c-p) it's always accepted whenever anything
+                    // is typed. The only way to avoid that is to explicitly abort the completion
+                    // with c-c. This will remove the "ghost" transaction.
+                    //
+                    // The ghost transaction is modeled with a transaction that is not sent to the LS.
+                    // (apply_temporary) and a savepoint. It's extremely important this savepoint is restored
+                    // (also without sending the transaction to the LS) *before any further transaction is applied*.
+                    // Otherwise incremental sync breaks (since the state of the LS doesn't match the state the transaction
+                    // is applied to).
+                    if editor.last_completion.is_none() {
+                        editor.last_completion = Some(CompleteAction::Selected {
+                            savepoint: doc.savepoint(view),
+                        })
+                    }
+                    // if more text was entered, remove it
+                    doc.restore(view, &savepoint, false);
                     // always present here
                     let item = item.unwrap();
 
@@ -229,57 +256,49 @@ impl Completion {
                         true,
                         replace_mode,
                     );
-
-                    // initialize a savepoint
-                    doc.apply(&transaction, view.id);
-
-                    editor.last_completion = Some(CompleteAction {
-                        trigger_offset,
-                        changes: completion_changes(&transaction, trigger_offset),
-                    });
+                    doc.apply_temporary(&transaction, view.id);
                 }
                 PromptEvent::Validate => {
+                    if let Some(CompleteAction::Selected { savepoint }) =
+                        editor.last_completion.take()
+                    {
+                        doc.restore(view, &savepoint, false);
+                    }
                     // always present here
-                    let item = item.unwrap();
-
+                    let mut item = item.unwrap().clone();
+
+                    // resolve item if not yet resolved
+                    if !item.resolved {
+                        if let Some(resolved) =
+                            Self::resolve_completion_item(doc, item.item.clone())
+                        {
+                            item.item = resolved;
+                        }
+                    };
+                    // if more text was entered, remove it
+                    doc.restore(view, &savepoint, true);
                     let transaction = item_to_transaction(
                         doc,
                         view.id,
-                        item,
+                        &item,
                         offset_encoding,
                         trigger_offset,
                         false,
                         replace_mode,
                     );
-
                     doc.apply(&transaction, view.id);
 
-                    editor.last_completion = Some(CompleteAction {
+                    editor.last_completion = Some(CompleteAction::Applied {
                         trigger_offset,
                         changes: completion_changes(&transaction, trigger_offset),
                     });
 
-                    // apply additional edits, mostly used to auto import unqualified types
-                    let resolved_item = if item
-                        .additional_text_edits
-                        .as_ref()
-                        .map(|edits| !edits.is_empty())
-                        .unwrap_or(false)
-                    {
-                        None
-                    } else {
-                        Self::resolve_completion_item(doc, item.clone())
-                    };
-
-                    if let Some(additional_edits) = resolved_item
-                        .as_ref()
-                        .and_then(|item| item.additional_text_edits.as_ref())
-                        .or(item.additional_text_edits.as_ref())
-                    {
+                    // TODO: add additional _edits to completion_changes?
+                    if let Some(additional_edits) = item.item.additional_text_edits {
                         if !additional_edits.is_empty() {
                             let transaction = util::generate_transaction_from_edits(
                                 doc.text(),
-                                additional_edits.clone(),
+                                additional_edits,
                                 offset_encoding, // TODO: should probably transcode in Client
                             );
                             doc.apply(&transaction, view.id);
@@ -306,7 +325,7 @@ impl Completion {
     fn resolve_completion_item(
         doc: &Document,
         completion_item: lsp::CompletionItem,
-    ) -> Option<CompletionItem> {
+    ) -> Option<lsp::CompletionItem> {
         let language_server = doc.language_server()?;
 
         let future = language_server.resolve_completion_item(completion_item)?;
@@ -359,7 +378,7 @@ impl Completion {
         self.popup.contents().is_empty()
     }
 
-    fn replace_item(&mut self, old_item: lsp::CompletionItem, new_item: lsp::CompletionItem) {
+    fn replace_item(&mut self, old_item: CompletionItem, new_item: CompletionItem) {
         self.popup.contents_mut().replace_option(old_item, new_item);
     }
 
@@ -375,7 +394,7 @@ impl Completion {
         // > The returned completion item should have the documentation property filled in.
         // https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_completion
         let current_item = match self.popup.contents().selection() {
-            Some(item) if item.documentation.is_none() => item.clone(),
+            Some(item) if !item.resolved => item.clone(),
             _ => return false,
         };
 
@@ -385,7 +404,7 @@ impl Completion {
         };
 
         // This method should not block the compositor so we handle the response asynchronously.
-        let future = match language_server.resolve_completion_item(current_item.clone()) {
+        let future = match language_server.resolve_completion_item(current_item.item.clone()) {
             Some(future) => future,
             None => return false,
         };
@@ -403,7 +422,13 @@ impl Completion {
                     .unwrap()
                     .completion
                 {
-                    completion.replace_item(current_item, resolved_item);
+                    completion.replace_item(
+                        current_item,
+                        CompletionItem {
+                            item: resolved_item,
+                            resolved: true,
+                        },
+                    );
                 }
             },
         );
@@ -457,25 +482,25 @@ impl Component for Completion {
             Markdown::new(md, cx.editor.syn_loader.clone())
         };
 
-        let mut markdown_doc = match &option.documentation {
+        let mut markdown_doc = match &option.item.documentation {
             Some(lsp::Documentation::String(contents))
             | Some(lsp::Documentation::MarkupContent(lsp::MarkupContent {
                 kind: lsp::MarkupKind::PlainText,
                 value: contents,
             })) => {
                 // TODO: convert to wrapped text
-                markdowned(language, option.detail.as_deref(), Some(contents))
+                markdowned(language, option.item.detail.as_deref(), Some(contents))
             }
             Some(lsp::Documentation::MarkupContent(lsp::MarkupContent {
                 kind: lsp::MarkupKind::Markdown,
                 value: contents,
             })) => {
                 // TODO: set language based on doc scope
-                markdowned(language, option.detail.as_deref(), Some(contents))
+                markdowned(language, option.item.detail.as_deref(), Some(contents))
             }
-            None if option.detail.is_some() => {
+            None if option.item.detail.is_some() => {
                 // TODO: set language based on doc scope
-                markdowned(language, option.detail.as_deref(), None)
+                markdowned(language, option.item.detail.as_deref(), None)
             }
             None => return,
         };
diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index 3494da07d67f0..86d88b9125f78 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -20,7 +20,7 @@ use helix_core::{
     syntax::{self, HighlightEvent},
     text_annotations::TextAnnotations,
     unicode::width::UnicodeWidthStr,
-    visual_offset_from_block, Position, Range, Selection, Transaction,
+    visual_offset_from_block, Change, Position, Range, Selection, Transaction,
 };
 use helix_view::{
     document::{Mode, SavePoint, SCRATCH_BUFFER_NAME},
@@ -49,7 +49,10 @@ pub struct EditorView {
 #[derive(Debug, Clone)]
 pub enum InsertEvent {
     Key(KeyEvent),
-    CompletionApply(CompleteAction),
+    CompletionApply {
+        trigger_offset: usize,
+        changes: Vec<Change>,
+    },
     TriggerCompletion,
     RequestCompletion,
 }
@@ -813,7 +816,7 @@ impl EditorView {
                 }
                 (Mode::Insert, Mode::Normal) => {
                     // if exiting insert mode, remove completion
-                    self.completion = None;
+                    self.clear_completion(cxt.editor);
                     cxt.editor.completion_request_handle = None;
 
                     // TODO: Use an on_mode_change hook to remove signature help
@@ -891,22 +894,25 @@ impl EditorView {
                     for key in self.last_insert.1.clone() {
                         match key {
                             InsertEvent::Key(key) => self.insert_mode(cxt, key),
-                            InsertEvent::CompletionApply(compl) => {
+                            InsertEvent::CompletionApply {
+                                trigger_offset,
+                                changes,
+                            } => {
                                 let (view, doc) = current!(cxt.editor);
 
                                 if let Some(last_savepoint) = last_savepoint.as_deref() {
-                                    doc.restore(view, last_savepoint);
+                                    doc.restore(view, last_savepoint, true);
                                 }
 
                                 let text = doc.text().slice(..);
                                 let cursor = doc.selection(view.id).primary().cursor(text);
 
                                 let shift_position =
-                                    |pos: usize| -> usize { pos + cursor - compl.trigger_offset };
+                                    |pos: usize| -> usize { pos + cursor - trigger_offset };
 
                                 let tx = Transaction::change(
                                     doc.text(),
-                                    compl.changes.iter().cloned().map(|(start, end, t)| {
+                                    changes.iter().cloned().map(|(start, end, t)| {
                                         (shift_position(start), shift_position(end), t)
                                     }),
                                 );
@@ -979,6 +985,21 @@ impl EditorView {
 
     pub fn clear_completion(&mut self, editor: &mut Editor) {
         self.completion = None;
+        if let Some(last_completion) = editor.last_completion.take() {
+            match last_completion {
+                CompleteAction::Applied {
+                    trigger_offset,
+                    changes,
+                } => self.last_insert.1.push(InsertEvent::CompletionApply {
+                    trigger_offset,
+                    changes,
+                }),
+                CompleteAction::Selected { savepoint } => {
+                    let (view, doc) = current!(editor);
+                    doc.restore(view, &savepoint, false);
+                }
+            }
+        }
 
         // Clear any savepoints
         editor.clear_idle_timer(); // don't retrigger
@@ -1265,12 +1286,22 @@ impl Component for EditorView {
                                         jobs: cx.jobs,
                                         scroll: None,
                                     };
-                                    completion.handle_event(event, &mut cx)
-                                };
 
-                                if let EventResult::Consumed(callback) = res {
-                                    consumed = true;
+                                    if let EventResult::Consumed(callback) =
+                                        completion.handle_event(event, &mut cx)
+                                    {
+                                        consumed = true;
+                                        Some(callback)
+                                    } else if let EventResult::Consumed(callback) =
+                                        completion.handle_event(&Event::Key(key!(Enter)), &mut cx)
+                                    {
+                                        Some(callback)
+                                    } else {
+                                        None
+                                    }
+                                };
 
+                                if let Some(callback) = res {
                                     if callback.is_some() {
                                         // assume close_fn
                                         self.clear_completion(cx.editor);
@@ -1286,10 +1317,6 @@ impl Component for EditorView {
 
                             // if completion didn't take the event, we pass it onto commands
                             if !consumed {
-                                if let Some(compl) = cx.editor.last_completion.take() {
-                                    self.last_insert.1.push(InsertEvent::CompletionApply(compl));
-                                }
-
                                 self.insert_mode(&mut cx, key);
 
                                 // record last_insert key
diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
index 4afb79d4bdca2..e717cf72f33d0 100644
--- a/helix-view/src/document.rs
+++ b/helix-view/src/document.rs
@@ -112,6 +112,19 @@ pub struct SavePoint {
     /// The view this savepoint is associated with
     pub view: ViewId,
     revert: Mutex<Transaction>,
+    pub text: Rope,
+}
+
+impl SavePoint {
+    pub fn cursor(&self) -> usize {
+        // we always create transactions with selections
+        self.revert
+            .lock()
+            .selection()
+            .unwrap()
+            .primary()
+            .cursor(self.text.slice(..))
+    }
 }
 
 pub struct Document {
@@ -914,7 +927,12 @@ impl Document {
     }
 
     /// Apply a [`Transaction`] to the [`Document`] to change its text.
-    fn apply_impl(&mut self, transaction: &Transaction, view_id: ViewId) -> bool {
+    fn apply_impl(
+        &mut self,
+        transaction: &Transaction,
+        view_id: ViewId,
+        emit_lsp_notification: bool,
+    ) -> bool {
         use helix_core::Assoc;
 
         let old_doc = self.text().clone();
@@ -1010,25 +1028,31 @@ impl Document {
                 apply_inlay_hint_changes(padding_after_inlay_hints);
             }
 
-            // emit lsp notification
-            if let Some(language_server) = self.language_server() {
-                let notify = language_server.text_document_did_change(
-                    self.versioned_identifier(),
-                    &old_doc,
-                    self.text(),
-                    changes,
-                );
+            if emit_lsp_notification {
+                // emit lsp notification
+                if let Some(language_server) = self.language_server() {
+                    let notify = language_server.text_document_did_change(
+                        self.versioned_identifier(),
+                        &old_doc,
+                        self.text(),
+                        changes,
+                    );
 
-                if let Some(notify) = notify {
-                    tokio::spawn(notify);
+                    if let Some(notify) = notify {
+                        tokio::spawn(notify);
+                    }
                 }
             }
         }
         success
     }
 
-    /// Apply a [`Transaction`] to the [`Document`] to change its text.
-    pub fn apply(&mut self, transaction: &Transaction, view_id: ViewId) -> bool {
+    fn apply_inner(
+        &mut self,
+        transaction: &Transaction,
+        view_id: ViewId,
+        emit_lsp_notification: bool,
+    ) -> bool {
         // store the state just before any changes are made. This allows us to undo to the
         // state just before a transaction was applied.
         if self.changes.is_empty() && !transaction.changes().is_empty() {
@@ -1038,7 +1062,7 @@ impl Document {
             });
         }
 
-        let success = self.apply_impl(transaction, view_id);
+        let success = self.apply_impl(transaction, view_id, emit_lsp_notification);
 
         if !transaction.changes().is_empty() {
             // Compose this transaction with the previous one
@@ -1048,12 +1072,23 @@ impl Document {
         }
         success
     }
+    /// Apply a [`Transaction`] to the [`Document`] to change its text.
+    pub fn apply(&mut self, transaction: &Transaction, view_id: ViewId) -> bool {
+        self.apply_inner(transaction, view_id, true)
+    }
+
+    /// Apply a [`Transaction`] to the [`Document`] to change its text
+    /// without notifying the language servers. This is useful for temporary transactions
+    /// that must not influence the server.
+    pub fn apply_temporary(&mut self, transaction: &Transaction, view_id: ViewId) -> bool {
+        self.apply_inner(transaction, view_id, false)
+    }
 
     fn undo_redo_impl(&mut self, view: &mut View, undo: bool) -> bool {
         let mut history = self.history.take();
         let txn = if undo { history.undo() } else { history.redo() };
         let success = if let Some(txn) = txn {
-            self.apply_impl(txn, view.id)
+            self.apply_impl(txn, view.id, true)
         } else {
             false
         };
@@ -1085,15 +1120,32 @@ impl Document {
     /// the state it had when this function was called.
     pub fn savepoint(&mut self, view: &View) -> Arc<SavePoint> {
         let revert = Transaction::new(self.text()).with_selection(self.selection(view.id).clone());
+        // check if there is already an existing (identical) savepoint around
+        if let Some(savepoint) = self
+            .savepoints
+            .iter()
+            .rev()
+            .find_map(|savepoint| savepoint.upgrade())
+        {
+            let transaction = savepoint.revert.lock();
+            if savepoint.view == view.id
+                && transaction.changes().is_empty()
+                && transaction.selection() == revert.selection()
+            {
+                drop(transaction);
+                return savepoint;
+            }
+        }
         let savepoint = Arc::new(SavePoint {
             view: view.id,
             revert: Mutex::new(revert),
+            text: self.text.clone(),
         });
         self.savepoints.push(Arc::downgrade(&savepoint));
         savepoint
     }
 
-    pub fn restore(&mut self, view: &mut View, savepoint: &SavePoint) {
+    pub fn restore(&mut self, view: &mut View, savepoint: &SavePoint, emit_lsp_notification: bool) {
         assert_eq!(
             savepoint.view, view.id,
             "Savepoint must not be used with a different view!"
@@ -1108,7 +1160,7 @@ impl Document {
 
         let savepoint_ref = self.savepoints.remove(savepoint_idx);
         let mut revert = savepoint.revert.lock();
-        self.apply(&revert, view.id);
+        self.apply_inner(&revert, view.id, emit_lsp_notification);
         *revert = Transaction::new(self.text()).with_selection(self.selection(view.id).clone());
         self.savepoints.push(savepoint_ref)
     }
@@ -1121,7 +1173,7 @@ impl Document {
         };
         let mut success = false;
         for txn in txns {
-            if self.apply_impl(&txn, view.id) {
+            if self.apply_impl(&txn, view.id, true) {
                 success = true;
             }
         }
diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs
index 0541b2403a6c6..9e057974f7693 100644
--- a/helix-view/src/editor.rs
+++ b/helix-view/src/editor.rs
@@ -2,7 +2,7 @@ use crate::{
     align_view,
     annotations::diagnostics::InlineDiagnosticsConfig,
     clipboard::{get_clipboard_provider, ClipboardProvider},
-    document::{DocumentSavedEventFuture, DocumentSavedEventResult, Mode},
+    document::{DocumentSavedEventFuture, DocumentSavedEventResult, Mode, SavePoint},
     graphics::{CursorKind, Rect},
     info::Info,
     input::KeyEvent,
@@ -910,9 +910,14 @@ enum ThemeAction {
 }
 
 #[derive(Debug, Clone)]
-pub struct CompleteAction {
-    pub trigger_offset: usize,
-    pub changes: Vec<Change>,
+pub enum CompleteAction {
+    Applied {
+        trigger_offset: usize,
+        changes: Vec<Change>,
+    },
+    /// A savepoint of the currently selected completion. The savepoint
+    /// MUST be restored before sending any event to the LSP
+    Selected { savepoint: Arc<SavePoint> },
 }
 
 #[derive(Debug, Copy, Clone)]