diff --git a/flow-libs/atom.js.flow b/flow-libs/atom.js.flow
index 01548c44..f4f25fa2 100644
--- a/flow-libs/atom.js.flow
+++ b/flow-libs/atom.js.flow
@@ -77,6 +77,7 @@ declare class atom$Package {
   getType(): 'atom' | 'textmate' | 'theme',
   hasActivationCommands(): boolean,
   hasActivationHooks(): boolean,
+  initializeTime: number,
   getActivationHooks(): Array<string>,
   onDidDeactivate(cb: () => mixed): IDisposable,
   activateNow(): void,
@@ -296,6 +297,7 @@ declare class atom$Disposable {
 }
 
 declare class atom$Emitter {
+  static onEventHandlerException(error: any): IDisposable,
   dispose(): void,
   on(name: string, callback: (v: any) => mixed): IDisposable,
   once(name: string, callback: (v: any) => mixed): IDisposable,
@@ -403,6 +405,7 @@ declare class atom$PackageManager {
   getLoadedPackage(name: string): ?atom$Package,
   getLoadedPackages(): Array<atom$Package>,
   isPackageLoaded(name: string): boolean,
+  hasLoadedInitialPackages(): boolean,
 
   // Accessing available packages
   getAvailablePackageNames(): Array<string>,
@@ -413,6 +416,7 @@ declare class atom$PackageManager {
   deactivatePackages(): Promise<void>,
   deactivatePackage(name: string, suppressSerialization?: boolean): Promise<void>,
   emitter: atom$Emitter,
+  loadedPackages: {[packageName: string]: atom$Package},
   loadPackage(name: string): void,
   loadPackages(): void,
   serializePackage(pkg: atom$Package): void,
@@ -531,6 +535,7 @@ declare class atom$Pane {
   setActiveItem(item: Object): Object,
   setFlexScale(flexScale: number): number,
   getContainer(): atom$PaneContainer,
+  getActiveEditor(): ?atom$TextEditor,
 
   element: HTMLElement,
 }
@@ -648,12 +653,19 @@ declare class atom$Range {
     object: atom$RangeLike,
     copy?: boolean,
   ): atom$Range,
+  static fromPointWithDelta(
+    startPoint: atom$PointLike,
+    rowDelta: number,
+    columnDelta: number
+  ): atom$Range,
+
   constructor(pointA: atom$PointLike, pointB: atom$PointLike): void,
   compare(other: atom$Range): number,
   start: atom$Point,
   end: atom$Point,
   isEmpty(): boolean,
   isEqual(otherRange: atom$RangeLike): boolean,
+  isSingleLine(): boolean,
   intersectsWith(otherRange: atom$RangeLike, exclusive?: boolean): boolean,
   containsPoint(point: atom$PointLike, exclusive?: boolean): boolean,
   containsRange(other: atom$Range, exclusive?: boolean): boolean,
@@ -853,6 +865,7 @@ declare class atom$TextEditor extends atom$Model {
   onDidChangeSoftWrapped(callback: (softWrapped: boolean) => mixed): IDisposable,
   onDidChangeSelectionRange(callback: (event: atom$ChangeSelectionRangeEvent) => mixed): IDisposable,
   observeSelections(callback: (selection: atom$Selection) => mixed): IDisposable,
+  onDidAddSelection(callback: (selection: atom$Selection) => mixed): IDisposable,
 
   // File Details
   getTitle: () => string,
@@ -932,6 +945,7 @@ declare class atom$TextEditor extends atom$Model {
   getVisibleRowRange(): [number, number],
   bufferRowForScreenRow(screenRow: number): number,
   screenRangeForBufferRange(bufferRange: atom$RangeLike): atom$Range,
+  bufferRangeForBufferRow(bufferRow: number): atom$Range,
 
   // Decorations
   decorateMarker(marker: atom$Marker, decorationParams: DecorateMarkerParams): atom$Decoration,
@@ -982,6 +996,7 @@ declare class atom$TextEditor extends atom$Model {
   unfoldBufferRow(bufferRow: number): void,
 
   // Selections
+  getLastSelection(): atom$Selection,
   getSelectedText(): string,
   selectAll(): void,
   getSelectedBufferRange(): atom$Range,
@@ -1023,7 +1038,7 @@ declare class atom$TextEditor extends atom$Model {
   scan(
     regex: RegExp,
     iterator: (foundMatch: {
-      match: mixed,
+      match: RegExp$matchResult,
       matchText: string,
       range: atom$Range,
       stop: () => mixed,
@@ -1746,6 +1761,7 @@ declare class atom$Project {
   onDidAddBuffer(callback: (buffer: atom$TextBuffer) => mixed): IDisposable,
   onDidReplace((settings: atom$ProjectSpecification) => mixed): IDisposable,
   observeBuffers(callback: (buffer: atom$TextBuffer) => mixed): IDisposable,
+  observeRepositories(callback: (repository: atom$Repository)=> mixed): IDisposable,
   replace?: (newSettings: atom$ProjectSpecification) => void,
   // Accessing the git repository
   getRepositories(): Array<?atom$Repository>,
@@ -2221,6 +2237,7 @@ declare class atom$Selection {
       undo?: boolean,
     },
   ): string,
+  isEmpty(): boolean,
 }
 
 declare class atom$PanelContainer {