diff --git a/src/config.cc b/src/config.cc
index aa5c7c1..b2206fc 100644
--- a/src/config.cc
+++ b/src/config.cc
@@ -97,18 +97,21 @@ void Config::retrieve_config() {
   window.version = cfg.get<std::string>("version");
   window.default_size = {cfg.get<int>("default_window_size.width"), cfg.get<int>("default_window_size.height")};
   
-  project.save_on_compile_or_run=cfg.get<bool>("project.save_on_compile_or_run");
   project.default_build_path=cfg.get<std::string>("project.default_build_path");
   project.debug_build_path=cfg.get<std::string>("project.debug_build_path");
   project.make_command=cfg.get<std::string>("project.make_command");
   project.cmake_command=cfg.get<std::string>("project.cmake_command");
+  project.clear_terminal_on_compile=cfg.get<bool>("project.clear_terminal_on_compile");
   
-  terminal.history_size=cfg.get<int>("terminal_history_size");
+  terminal.history_size=cfg.get<int>("terminal.history_size");
+  terminal.font=cfg.get<std::string>("terminal.font");
   terminal.clang_format_command="clang-format";
 #ifdef __linux
   if(terminal.clang_format_command=="clang-format" &&
      !boost::filesystem::exists("/usr/bin/clang-format") && !boost::filesystem::exists("/usr/local/bin/clang-format")) {
-    if(boost::filesystem::exists("/usr/bin/clang-format-3.7"))
+    if(boost::filesystem::exists("/usr/bin/clang-format-3.8"))
+      terminal.clang_format_command="/usr/bin/clang-format-3.8";
+    else if(boost::filesystem::exists("/usr/bin/clang-format-3.7"))
       terminal.clang_format_command="/usr/bin/clang-format-3.7";
     else if(boost::filesystem::exists("/usr/bin/clang-format-3.6"))
       terminal.clang_format_command="/usr/bin/clang-format-3.6";
@@ -118,10 +121,10 @@ void Config::retrieve_config() {
 #endif
 }
 
-bool Config::check_config_file(const boost::property_tree::ptree &default_cfg, std::string parent_path) {
+bool Config::add_missing_nodes(const boost::property_tree::ptree &default_cfg, std::string parent_path) {
   if(parent_path.size()>0)
     parent_path+=".";
-  bool exists=true;
+  bool unchanged=true;
   for(auto &node: default_cfg) {
     auto path=parent_path+node.first;
     try {
@@ -129,15 +132,29 @@ bool Config::check_config_file(const boost::property_tree::ptree &default_cfg, s
     }
     catch(const std::exception &e) {
       cfg.add(path, node.second.data());
-      exists=false;
+      unchanged=false;
     }
+    unchanged&=add_missing_nodes(node.second, path);
+  }
+  return unchanged;
+}
+
+bool Config::remove_deprecated_nodes(const boost::property_tree::ptree &default_cfg, boost::property_tree::ptree &config_cfg, std::string parent_path) {
+  if(parent_path.size()>0)
+    parent_path+=".";
+  bool unchanged=true;
+  for(auto &node: config_cfg) {
+    auto path=parent_path+node.first;
     try {
-      exists&=check_config_file(node.second, path);
+      default_cfg.get<std::string>(path);
+      unchanged&=remove_deprecated_nodes(default_cfg, node.second, path);
     }
     catch(const std::exception &e) {
+      config_cfg.erase(node.first);
+      unchanged=false;
     }
   }
-  return exists;
+  return unchanged;
 }
 
 void Config::update_config_file() {
@@ -159,10 +176,10 @@ void Config::update_config_file() {
     std::cerr << "Error reading json-file: " << e.what() << std::endl;
     cfg_ok=false;
   }
-  cfg_ok&=check_config_file(default_cfg);
-  if(!cfg_ok) {
+  cfg_ok&=add_missing_nodes(default_cfg);
+  cfg_ok&=remove_deprecated_nodes(default_cfg, cfg);
+  if(!cfg_ok)
     boost::property_tree::write_json((home/"config"/"config.json").string(), cfg);
-  }
 }
 
 void Config::get_source() {
diff --git a/src/config.h b/src/config.h
index 1add042..e6f6d82 100644
--- a/src/config.h
+++ b/src/config.h
@@ -26,6 +26,7 @@ public:
   public:
     std::string clang_format_command;
     int history_size;
+    std::string font;
     
 #ifdef _WIN32
     boost::filesystem::path msys2_mingw_path;
@@ -39,6 +40,7 @@ public:
     std::string cmake_command;
     std::string make_command;
     bool save_on_compile_or_run;
+    bool clear_terminal_on_compile;
   };
   
   class Source {
@@ -90,7 +92,8 @@ public:
 private:
   void find_or_create_config_files();
   void retrieve_config();
-  bool check_config_file(const boost::property_tree::ptree &default_cfg, std::string parent_path="");
+  bool add_missing_nodes(const boost::property_tree::ptree &default_cfg, std::string parent_path="");
+  bool remove_deprecated_nodes(const boost::property_tree::ptree &default_cfg, boost::property_tree::ptree &config_cfg, std::string parent_path="");
   void update_config_file();
   void get_source();
 
diff --git a/src/files.h b/src/files.h
index c69c48d..11a09a9 100644
--- a/src/files.h
+++ b/src/files.h
@@ -2,7 +2,7 @@
 #define JUCI_FILES_H_
 #include <string>
 
-#define JUCI_VERSION "1.1.1"
+#define JUCI_VERSION "1.1.2-rc1"
 
 const std::string configjson =
 "{\n"
@@ -11,13 +11,17 @@ const std::string configjson =
 "        \"width\": 800,\n"
 "        \"height\": 600\n"
 "    },\n"
-"    \"terminal_history_size\": 1000,\n"
 "    \"gtk_theme\": {\n"
 "        \"name_comment\": \"Use \\\"\\\" for default theme, At least these two exist on all systems: Adwaita, Raleigh\",\n"
 "        \"name\": \"Adwaita\",\n"
 "        \"variant_comment\": \"Use \\\"\\\" for default variant, and \\\"dark\\\" for dark theme variant\",\n"
 "        \"variant\": \"\"\n"
 "    },\n"
+"    \"terminal\": {\n"
+"        \"history_size\": 1000,\n"
+"        \"font_comment\": \"Use \\\"\\\" to use source.font with slightly smaller size\",\n"
+"        \"font\": \"\"\n"
+"    },\n"
 "    \"source\": {\n"
 "        \"style_comment\": \"Use \\\"\\\" for default style, and for instance juci-dark or juci-dark-blue together with dark gtk_theme variant. Styles from normal gtksourceview install: classic, cobalt, kate, oblivion, solarized-dark, solarized-light, tango\",\n"
 "        \"style\": \"juci-light\",\n"
@@ -130,7 +134,8 @@ const std::string configjson =
 "        \"cmake_command\": \"cmake\",\n"
 #endif
 "        \"make_command\": \"cmake --build .\",\n"
-"        \"save_on_compile_or_run\": true\n"
+"        \"save_on_compile_or_run\": true,\n"
+"        \"clear_terminal_on_compile\": true\n"
 "    },\n"
 "    \"documentation_searches\": {\n"
 "        \"clang\": {\n"
diff --git a/src/project.cc b/src/project.cc
index 4925bb9..7ebc39f 100644
--- a/src/project.cc
+++ b/src/project.cc
@@ -167,7 +167,8 @@ void Project::Clang::compile() {
   if(default_build_path.empty() || !build->update_default_build())
     return;
   
-  Terminal::get().clear();
+  if(Config::get().project.clear_terminal_on_compile)
+    Terminal::get().clear();
   
   compiling=true;
   Terminal::get().print("Compiling project "+build->project_path.string()+"\n");
@@ -201,7 +202,8 @@ void Project::Clang::compile_and_run() {
     arguments=filesystem::escape_argument(arguments);
   }
   
-  Terminal::get().clear();
+  if(Config::get().project.clear_terminal_on_compile)
+    Terminal::get().clear();
   
   compiling=true;
   Terminal::get().print("Compiling and running "+arguments+"\n");
@@ -282,7 +284,8 @@ void Project::Clang::debug_start() {
     }
   }
   
-  Terminal::get().clear();
+  if(Config::get().project.clear_terminal_on_compile)
+    Terminal::get().clear();
   
   debugging=true;
   Terminal::get().print("Compiling and debugging "+run_arguments+"\n");
diff --git a/src/terminal.cc b/src/terminal.cc
index a82d0a7..ed9231b 100644
--- a/src/terminal.cc
+++ b/src/terminal.cc
@@ -9,7 +9,9 @@ Terminal::InProgress::InProgress(const std::string& start_msg): stop(false) {
 }
 
 Terminal::InProgress::~InProgress() {
+  stop_mutex.lock();
   stop=true;
+  stop_mutex.unlock();
   if(wait_thread.joinable())
     wait_thread.join();
 }
@@ -18,7 +20,14 @@ void Terminal::InProgress::start(const std::string& msg) {
   line_nr=Terminal::get().print(msg+"...\n");
   wait_thread=std::thread([this](){
     size_t c=0;
-    while(!stop) {
+    while(true) {
+      stop_mutex.lock();
+      if(stop) {
+        stop_mutex.unlock();
+        break;
+      }
+      else
+        stop_mutex.unlock();
       if(c%100==0)
         Terminal::get().async_print(line_nr-1, ".");
       std::this_thread::sleep_for(std::chrono::milliseconds(10));
@@ -28,17 +37,25 @@ void Terminal::InProgress::start(const std::string& msg) {
 }
 
 void Terminal::InProgress::done(const std::string& msg) {
+  stop_mutex.lock();
   if(!stop) {
     stop=true;
+    stop_mutex.unlock();
     Terminal::get().async_print(line_nr-1, msg);
   }
+  else
+    stop_mutex.unlock();
 }
 
 void Terminal::InProgress::cancel(const std::string& msg) {
+  stop_mutex.lock();
   if(!stop) {
     stop=true;
+    stop_mutex.unlock();
     Terminal::get().async_print(line_nr-1, msg);
   }
+  else
+    stop_mutex.unlock();
 }
 
 Terminal::Terminal() {
@@ -241,10 +258,30 @@ void Terminal::async_print(size_t line_nr, const std::string &message) {
   });
 }
 
+void Terminal::configure() {
+  if(Config::get().terminal.font.size()>0) {
+    override_font(Pango::FontDescription(Config::get().terminal.font));
+  }
+  else if(Config::get().source.font.size()>0) {
+    Pango::FontDescription font_description(Config::get().source.font);
+    auto font_description_size=font_description.get_size();
+    if(font_description_size==0) {
+      Pango::FontDescription default_font_description(Gtk::Settings::get_default()->property_gtk_font_name());
+      font_description_size=default_font_description.get_size();
+    }
+    if(font_description_size>0)
+      font_description.set_size(font_description_size*0.95);
+    override_font(font_description);
+  }
+}
+
 void Terminal::clear() {
   in_progresses_mutex.lock();
-  for(auto &in_progress: in_progresses)
+  for(auto &in_progress: in_progresses) {
+    in_progress->stop_mutex.lock();
     in_progress->stop=true;
+    in_progress->stop_mutex.unlock();
+  }
   in_progresses_mutex.unlock();
   while(g_main_context_pending(NULL))
     g_main_context_iteration(NULL, false);
diff --git a/src/terminal.h b/src/terminal.h
index 7fd0c20..2140969 100644
--- a/src/terminal.h
+++ b/src/terminal.h
@@ -24,7 +24,9 @@ public:
   private:
     void start(const std::string& msg);
     size_t line_nr;
-    std::atomic<bool> stop;
+    
+    bool stop;
+    std::mutex stop_mutex;
     
     std::thread wait_thread;
   };
@@ -48,6 +50,8 @@ public:
   void async_print(const std::string &message, bool bold=false);
   void async_print(size_t line_nr, const std::string &message);
   
+  void configure();
+  
   void clear();
 protected:
   bool on_key_press_event(GdkEventKey *event);
diff --git a/src/window.cc b/src/window.cc
index 08b21c4..7c12135 100644
--- a/src/window.cc
+++ b/src/window.cc
@@ -146,18 +146,7 @@ void Window::configure() {
   style_context->add_provider_for_screen(screen, css_provider, GTK_STYLE_PROVIDER_PRIORITY_SETTINGS);
   Directories::get().update();
   Menu::get().set_keys();
-  
-  if(Config::get().source.font.size()>0) {
-    Pango::FontDescription font_description(Config::get().source.font);
-    auto font_description_size=font_description.get_size();
-    if(font_description_size==0) {
-      Pango::FontDescription default_font_description(Gtk::Settings::get_default()->property_gtk_font_name());
-      font_description_size=default_font_description.get_size();
-    }
-    if(font_description_size>0)
-      font_description.set_size(font_description_size*0.95);
-    Terminal::get().override_font(font_description);
-  }
+  Terminal::get().configure();
 }
 
 void Window::set_menu_actions() {