diff --git a/NvimView/NvimView/AttributesRunDrawer.swift b/NvimView/NvimView/AttributesRunDrawer.swift
index 46908acd..93caceae 100644
--- a/NvimView/NvimView/AttributesRunDrawer.swift
+++ b/NvimView/NvimView/AttributesRunDrawer.swift
@@ -219,7 +219,7 @@ final class AttributesRunDrawer {
 
   private func updateFontMetrics() {
     self.cellSize = FontUtils.cellSize(
-      of: self.font, linespacing: linespacing
+      of: self.font, linespacing: self.linespacing
     )
     self.baselineOffset = self.cellSize.height - CTFontGetAscent(self.font)
     self.descent = CTFontGetDescent(font)
diff --git a/NvimView/NvimView/FontUtils.swift b/NvimView/NvimView/FontUtils.swift
index 4e21b33b..bc1497e8 100644
--- a/NvimView/NvimView/FontUtils.swift
+++ b/NvimView/NvimView/FontUtils.swift
@@ -32,8 +32,11 @@ extension FontTrait: Hashable {
 final class FontUtils {
 
   static func cellSize(of font: NSFont, linespacing: CGFloat) -> CGSize {
-    if let cached = cellSizeCache.object(forKey: font) {
-      return cached
+    if let cached = cellSizeWithDefaultLinespacingCache.object(forKey: font) {
+      return CGSize(
+        width: cached.width,
+        height: ceil(linespacing * cached.height)
+      )
     }
 
     let capitalM = [UniChar(0x004D)]
@@ -46,11 +49,18 @@ final class FontUtils {
     let descent = CTFontGetDescent(font)
     let leading = CTFontGetLeading(font)
 
+    let cellSizeToCache = CGSize(
+      width: advancement.width,
+      height: ceil(ascent + descent + leading)
+    )
+    cellSizeWithDefaultLinespacingCache.set(
+      object: cellSizeToCache, forKey: font
+    )
+
     let cellSize = CGSize(
       width: advancement.width,
-      height: ceil(linespacing * (ascent + descent + leading))
+      height: ceil(linespacing * cellSizeToCache.height)
     )
-    cellSizeCache.set(object: cellSize, forKey: font)
 
     return cellSize
   }
@@ -87,4 +97,4 @@ final class FontUtils {
 }
 
 private let fontCache = SimpleCache<SizedFontTrait, NSFont>(countLimit: 100)
-private let cellSizeCache = SimpleCache<NSFont, CGSize>(countLimit: 100)
+private let cellSizeWithDefaultLinespacingCache = SimpleCache<NSFont, CGSize>(countLimit: 100)
diff --git a/NvimView/NvimView/com.qvacua.NvimView.vim b/NvimView/NvimView/com.qvacua.NvimView.vim
index 1f1b847e..69002294 100644
--- a/NvimView/NvimView/com.qvacua.NvimView.vim
+++ b/NvimView/NvimView/com.qvacua.NvimView.vim
@@ -1,45 +1,3 @@
 set termguicolors
 set mouse=a
 set title
-
-"function! s:VimRMakeSessionTemporary() abort
-"	call rpcnotify(0, 'com.qvacua.vimr.rpc-events.make-session-temporary')
-"endfunction
-"command! -nargs=0 VimRMakeSessionTemporary call s:VimRMakeSessionTemporary(<args>)
-"
-"function! s:VimRMaximizeWindow() abort
-"	call rpcnotify(0, 'com.qvacua.vimr.rpc-events.maximize-window')
-"endfunction
-"command! -nargs=0 VimRMaximizeWindow call s:VimRMaximizeWindow(<args>)
-"
-"" -1: hide, 0: toggle, 1: show
-"function! s:VimRToggleTools(value) abort
-"	call rpcnotify(0, 'com.qvacua.vimr.rpc-events.toggle-tools', a:value)
-"endfunction
-"command! -nargs=0 VimRHideTools call s:VimRToggleTools(-1)
-"command! -nargs=0 VimRToggleTools call s:VimRToggleTools(0)
-"command! -nargs=0 VimRShowTools call s:VimRToggleTools(1)
-"
-"" -1: hide, 0: toggle, 1: show
-"function! s:VimRToggleToolButtons(value) abort
-"	call rpcnotify(0, 'com.qvacua.vimr.rpc-events.toggle-tool-buttons', a:value)
-"endfunction
-"command! -nargs=0 VimRHideToolButtons call s:VimRToggleToolButtons(-1)
-"command! -nargs=0 VimRToggleToolButtons call s:VimRToggleToolButtons(0)
-"command! -nargs=0 VimRShowToolButtons call s:VimRToggleToolButtons(1)
-"
-"function! s:VimRToggleFullscreen() abort
-"	call rpcnotify(0, 'com.qvacua.vimr.rpc-events.toggle-fullscreen')
-"endfunction
-"command! -nargs=0 VimRToggleFullscreen call s:VimRToggleFullscreen(<args>)
-"
-"function! s:VimRTest() abort
-"  VimRMakeSessionTemporary
-"  VimRHideTools
-"  VimRMaximizeWindow
-"  normal o
-"endfunction
-"command! -nargs=0 VimRTest call s:VimRTest()
-"
-""au VimEnter * echo "hello"
-""au GuiEnter * echo "world"
diff --git a/VimR/VimR.xcodeproj/project.pbxproj b/VimR/VimR.xcodeproj/project.pbxproj
index 97f8d051..55062a01 100644
--- a/VimR/VimR.xcodeproj/project.pbxproj
+++ b/VimR/VimR.xcodeproj/project.pbxproj
@@ -80,12 +80,14 @@
 		1929BDC69A5F9D1661423488 /* ShortcutItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929BF230875DED6CD7AB3EB /* ShortcutItem.swift */; };
 		1929BDFDBDA7180D02ACB37E /* RxSwiftCommonsTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929B6C215ACCBE12672A8D7 /* RxSwiftCommonsTest.swift */; };
 		1929BE0DAEE9664C5BCFA211 /* States.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929BB6608B4F0E037CA0F4C /* States.swift */; };
+		1929BE0EB11D6BBC46D448D2 /* RpcAppearanceEpic.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929B230EE8F1428980988F0 /* RpcAppearanceEpic.swift */; };
 		1929BE0F64A6CE5BCE2A5092 /* MainWindow+Delegates.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929B714EB137AE448CE8ABD /* MainWindow+Delegates.swift */; };
 		1929BE2F3E0182CC51F2763A /* ThemedTableSubviews.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929BD2CA8DD198A6BCDBCB7 /* ThemedTableSubviews.swift */; };
 		1929BEAE0592096BC1191B67 /* PrefPane.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929B07A4A9209C88380E015 /* PrefPane.swift */; };
 		1929BEDE1BE950EDA9497363 /* GeneralPref.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929BB55946DAEBF55D24048 /* GeneralPref.swift */; };
 		1929BEFEABA0448306CDB6D4 /* FileItemIgnorePatternTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929BBC84557C8351EC6183E /* FileItemIgnorePatternTest.swift */; };
 		1929BF03FD6465F289AA80B2 /* ToolsPref.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929BB2AD21A10A0ECA66A5E /* ToolsPref.swift */; };
+		1929BF3253594E5B1908C6CE /* RpcAppearanceEpic.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929B230EE8F1428980988F0 /* RpcAppearanceEpic.swift */; };
 		1929BF4FF30D9A9DE82C3052 /* FileUtilsTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929B8042AC566CDF6C998A3 /* FileUtilsTest.swift */; };
 		1929BFC70581084B5CE04A5B /* MatcherTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929BFE179BCA3C75A13D71B /* MatcherTests.swift */; };
 		1929BFDE22D155F7C4B19E96 /* HtmlPreviewTool.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1929B85023B042C485409CE1 /* HtmlPreviewTool.swift */; };
@@ -312,6 +314,7 @@
 		1929B14A5949FB64C4B2646F /* KeysPref.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = KeysPref.swift; sourceTree = "<group>"; };
 		1929B1558455B3A74D93EF2A /* OpenQuicklyFileViewRow.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = OpenQuicklyFileViewRow.swift; sourceTree = "<group>"; };
 		1929B1DC584C89C477E83FA2 /* HttpServerMiddleware.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = HttpServerMiddleware.swift; sourceTree = "<group>"; };
+		1929B230EE8F1428980988F0 /* RpcAppearanceEpic.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = RpcAppearanceEpic.swift; sourceTree = "<group>"; };
 		1929B34FC23D805A8B29E8F7 /* Context.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Context.swift; sourceTree = "<group>"; };
 		1929B364460D86F17E80943C /* PrefMiddleware.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = PrefMiddleware.swift; sourceTree = "<group>"; };
 		1929B365A6434354B568B04F /* FileMonitor.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = FileMonitor.swift; sourceTree = "<group>"; };
@@ -627,6 +630,7 @@
 				1929B5E773BDB3B4EE9D00C1 /* Reducers */,
 				1929BFA93DC859DD76C46192 /* Middlewares */,
 				1929BFC0A5A9C6DB09BE1368 /* Types.swift */,
+				1929BE4A67D96BD8BD8168C3 /* Epics */,
 			);
 			name = UI;
 			sourceTree = "<group>";
@@ -681,6 +685,14 @@
 			name = "Open Quickly";
 			sourceTree = "<group>";
 		};
+		1929BE4A67D96BD8BD8168C3 /* Epics */ = {
+			isa = PBXGroup;
+			children = (
+				1929B230EE8F1428980988F0 /* RpcAppearanceEpic.swift */,
+			);
+			name = Epics;
+			sourceTree = "<group>";
+		};
 		1929BFA93DC859DD76C46192 /* Middlewares */ = {
 			isa = PBXGroup;
 			children = (
@@ -1191,6 +1203,7 @@
 				1929B2D56C4652E251C23AD4 /* DefaultShortcuts.swift in Sources */,
 				1929B0C7150100A84FBDB8BF /* ShortcutItem.swift in Sources */,
 				1929B250DB3FB395A700FE8C /* RpcEvents.swift in Sources */,
+				1929BF3253594E5B1908C6CE /* RpcAppearanceEpic.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -1226,6 +1239,7 @@
 				1929B0244BD7111E168726CF /* DefaultShortcuts.swift in Sources */,
 				1929BDC69A5F9D1661423488 /* ShortcutItem.swift in Sources */,
 				1929B489A51FD5B13888A00C /* RpcEvents.swift in Sources */,
+				1929BE0EB11D6BBC46D448D2 /* RpcAppearanceEpic.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
diff --git a/VimR/VimR/Context.swift b/VimR/VimR/Context.swift
index 6b4a3888..5138cb0e 100644
--- a/VimR/VimR/Context.swift
+++ b/VimR/VimR/Context.swift
@@ -28,6 +28,7 @@ class Context: ReduxContext {
     let httpMiddleware: HttpServerMiddleware = HttpServerMiddleware(port: baseServerUrl.port!)
     let uiRootReducer = UiRootReducer()
     let openQuicklyReducer = OpenQuicklyReducer()
+    let rpcEpic = RpcAppearanceEpic(emitter: self.actionEmitter)
 
     // AppState
     self.actionEmitter.observable
@@ -52,6 +53,7 @@ class Context: ReduxContext {
         middlewares: [
           self.prefMiddleware.mainWindow.apply,
           self.prefMiddleware.apply,
+          rpcEpic.apply,
         ])
       .filter { $0.modified }
       .subscribe(onNext: self.emitAppState)
diff --git a/VimR/VimR/MainWindow+Actions.swift b/VimR/VimR/MainWindow+Actions.swift
index 8a7c68b8..275b494a 100644
--- a/VimR/VimR/MainWindow+Actions.swift
+++ b/VimR/VimR/MainWindow+Actions.swift
@@ -31,7 +31,7 @@ extension MainWindow {
       self.window.setFrame(screen.frame, display: true)
 
     case .toggleTools:
-      if params.count == 0 { return }
+      guard params.count == 1 else { return }
 
       let param = params[0].integerValue
 
@@ -44,7 +44,7 @@ extension MainWindow {
       }
 
     case .toggleToolButtons:
-      if params.count == 0 { return }
+      guard params.count == 1 else { return }
 
       let param = params[0].integerValue
 
@@ -59,6 +59,23 @@ extension MainWindow {
     case .toggleFullScreen:
       self.window.toggleFullScreen(self)
 
+    case .setFont:
+      guard params.count == 2 else { return }
+      guard let fontName = params[0].stringValue,
+            let fontSize = params[1].integerValue,
+            let font = NSFont(name: fontName, size: CGFloat(fontSize))
+        else {
+        return
+      }
+
+      self.emit(self.uuidAction(for: .setFont(font)))
+
+    case .setLinespacing:
+      guard params.count == 1 else { return }
+      guard let linespacing = params[0].floatValue else { return }
+
+      self.emit(self.uuidAction(for: .setLinespacing(CGFloat(linespacing))))
+
     }
   }
 
diff --git a/VimR/VimR/MainWindow.swift b/VimR/VimR/MainWindow.swift
index eacc8c93..ec6deeaa 100644
--- a/VimR/VimR/MainWindow.swift
+++ b/VimR/VimR/MainWindow.swift
@@ -45,6 +45,10 @@ class MainWindow: NSObject,
     case setTheme(Theme)
 
     case close
+
+    // RPC actions
+    case setFont(NSFont)
+    case setLinespacing(CGFloat)
   }
 
   enum FocusableView {
diff --git a/VimR/VimR/MainWindowReducer.swift b/VimR/VimR/MainWindowReducer.swift
index 9216638e..b5d1a948 100644
--- a/VimR/VimR/MainWindowReducer.swift
+++ b/VimR/VimR/MainWindowReducer.swift
@@ -81,6 +81,10 @@ class MainWindowReducer: ReducerType {
     case .makeSessionTemporary:
       state.isTemporarySession = true
 
+      // RPC actions
+    case .setFont(let font):
+      stdoutLog.debug(font)
+
     default:
       return tuple
 
diff --git a/VimR/VimR/RpcAppearanceEpic.swift b/VimR/VimR/RpcAppearanceEpic.swift
new file mode 100644
index 00000000..c402c92f
--- /dev/null
+++ b/VimR/VimR/RpcAppearanceEpic.swift
@@ -0,0 +1,42 @@
+/**
+ * Tae Won Ha - http://taewon.de - @hataewon
+ * See LICENSE
+ */
+
+import Foundation
+
+class RpcAppearanceEpic: EpicType {
+
+  typealias StateType = AppState
+  typealias ActionType = UuidAction<MainWindow.Action>
+  typealias EmitActionType = AppearancePref.Action
+
+  required init(emitter: ActionEmitter) {
+    self.emit = emitter.typedEmit()
+  }
+
+  func typedApply(
+    _ reduce: @escaping TypedActionReduceFunction
+  ) -> TypedActionReduceFunction {
+    return { tuple in
+      let result = reduce(tuple)
+
+      switch tuple.action.payload {
+
+      case .setFont(let font):
+        self.emit(.setFont(font))
+
+      case .setLinespacing(let linespacing):
+        self.emit(.setLinespacing(linespacing))
+
+      default:
+        break
+
+      }
+
+      return result
+    }
+  }
+
+  private let emit: (EmitActionType) -> Void
+}
diff --git a/VimR/VimR/RpcEvents.swift b/VimR/VimR/RpcEvents.swift
index 020415fd..237f250b 100644
--- a/VimR/VimR/RpcEvents.swift
+++ b/VimR/VimR/RpcEvents.swift
@@ -14,4 +14,7 @@ enum RpcEvent: String, CaseIterable {
   case toggleTools = "com.qvacua.vimr.rpc-events.toggle-tools"
   case toggleToolButtons = "com.qvacua.vimr.rpc-events.toggle-tool-buttons"
   case toggleFullScreen = "com.qvacua.vimr.rpc-events.toggle-fullscreen"
+
+  case setFont = "com.qvacua.vimr.rpc-events.set-font"
+  case setLinespacing = "com.qvacua.vimr.rpc-events.set-linespacing"
 }
diff --git a/VimR/VimR/RxRedux.swift b/VimR/VimR/RxRedux.swift
index fd524384..e8be9ab6 100644
--- a/VimR/VimR/RxRedux.swift
+++ b/VimR/VimR/RxRedux.swift
@@ -95,6 +95,13 @@ extension MiddlewareType {
   }
 }
 
+protocol EpicType: MiddlewareType {
+
+  associatedtype EmitActionType
+
+  init(emitter: ActionEmitter)
+}
+
 protocol UiComponent {
 
   associatedtype StateType
diff --git a/VimR/VimR/com.qvacua.VimR.vim b/VimR/VimR/com.qvacua.VimR.vim
index eed681df..aa3a001d 100644
--- a/VimR/VimR/com.qvacua.VimR.vim
+++ b/VimR/VimR/com.qvacua.VimR.vim
@@ -28,3 +28,13 @@ function! s:VimRToggleFullscreen() abort
 	call rpcnotify(0, 'com.qvacua.NvimView', 'toggle-fullscreen')
 endfunction
 command! -nargs=0 VimRToggleFullscreen call s:VimRToggleFullscreen(<args>)
+
+function! s:VimRSetFontAndSize(font, size) abort
+	call rpcnotify(0, 'com.qvacua.NvimView', 'set-font', a:font, a:size)
+endfunction
+command! -nargs=* VimRSetFontAndSize call s:VimRSetFontAndSize(<args>)
+
+function! s:VimRSetLinespacing(linespacing) abort
+	call rpcnotify(0, 'com.qvacua.NvimView', 'set-linespacing', a:linespacing)
+endfunction
+command! -nargs=1 VimRSetLinespacing call s:VimRSetLinespacing(<args>)
diff --git a/resources/release-notes.md b/resources/release-notes.md
index 448068b0..e17752b1 100644
--- a/resources/release-notes.md
+++ b/resources/release-notes.md
@@ -3,6 +3,7 @@
 * GH-314: You can customize the key shortcut for all menu items in the *Shortcut* preferences pane.
 * GH-501: Add key shortcuts to toggle the Buffer List, Markdown Preview, and HTML Preview tools.
 * GH-649: Add commands that can control some of GUI elements.
+* GH-506: Set font, size and linespacing via `~/.config/nvim/ginig.vim`.
 * Draw the disclosure triangle in appropriate color of the current color scheme (and improve handling of changes of `cwd` in the file browser).
 * ...