diff --git a/MystatDesktopWpf/App.xaml b/MystatDesktopWpf/App.xaml
index e0e328f..93ff040 100644
--- a/MystatDesktopWpf/App.xaml
+++ b/MystatDesktopWpf/App.xaml
@@ -17,6 +17,7 @@
             
             <!-- Converters -->
             <converters:ZeroToVisibilityConverter x:Key="ZeroToVisibilityConverter"/>
+            <converters:StringToResource x:Key="StringToResource" />
 
             <!-- Custom styles -->
             <Style x:Key="PopupToolButton" TargetType="Button" BasedOn="{StaticResource MaterialDesignToolButton}">
diff --git a/MystatDesktopWpf/Converters/StringToResource.cs b/MystatDesktopWpf/Converters/StringToResource.cs
new file mode 100644
index 0000000..9138667
--- /dev/null
+++ b/MystatDesktopWpf/Converters/StringToResource.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Data;
+
+namespace MystatDesktopWpf.Converters
+{
+    public class StringToResource : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            return App.Current.FindResource(value as string);
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/MystatDesktopWpf/Languages/lang.en-US.xaml b/MystatDesktopWpf/Languages/lang.en-US.xaml
index 163f176..8f30c5b 100644
--- a/MystatDesktopWpf/Languages/lang.en-US.xaml
+++ b/MystatDesktopWpf/Languages/lang.en-US.xaml
@@ -76,6 +76,8 @@
     <v:String x:Key="m_FolderOpenError">Failed to open the folder.</v:String>
     <v:String x:Key="m_ErrorWhileLoadingHomework" xml:space="preserve">¯\_(ツ)_/¯&#13;&#13;An error occurred while loading homework, please try again later.</v:String>
     <v:String x:Key="m_AllSubjects">All subjects</v:String>
+    <v:String x:Key="m_HomeworkTypeHomework">Homework</v:String>
+    <v:String x:Key="m_HomeworkTypeLab">Lab</v:String>
 
     <!-- Homework tooltips -->
     <v:String x:Key="m_TeacherComment">Teacher's comment</v:String>
@@ -198,4 +200,9 @@
     <v:String x:Key="size-kb">KB</v:String>
     <v:String x:Key="size-mb">MB</v:String>
     <v:String x:Key="size-gb">GB</v:String>
+    
+    <!-- Experimental settings -->
+    <v:String x:Key="m_ExperimentalSettings">Experimental</v:String>
+    <v:String x:Key="m_BypassUploadRestrictions">Bypass upload restrictions for certain file types (for example .txt and .csv)</v:String>
+    <v:String x:Key="m_BypassUploadRestrictionsHelpText">May fix uploading of individual files, especially code files</v:String>
 </ResourceDictionary>
diff --git a/MystatDesktopWpf/Languages/lang.ru-RU.xaml b/MystatDesktopWpf/Languages/lang.ru-RU.xaml
index bc05ab9..a21a054 100644
--- a/MystatDesktopWpf/Languages/lang.ru-RU.xaml
+++ b/MystatDesktopWpf/Languages/lang.ru-RU.xaml
@@ -76,6 +76,8 @@
     <v:String x:Key="m_FolderOpenError">Не удалось открыть папку.</v:String>
     <v:String x:Key="m_ErrorWhileLoadingHomework" xml:space="preserve">¯\_(ツ)_/¯&#13;&#13;При загрузке домашнего задания произошла ошибка, повторите попытку позже.</v:String>
     <v:String x:Key="m_AllSubjects">Все предметы</v:String>
+    <v:String x:Key="m_HomeworkTypeHomework">Домашние задания</v:String>
+    <v:String x:Key="m_HomeworkTypeLab">Лабораторные задания</v:String>
     
     <!-- Homework tooltips -->
     <v:String x:Key="m_TeacherComment">Комментарий преподавателя</v:String>
@@ -197,4 +199,9 @@
     <v:String x:Key="size-kb">КБ</v:String>
     <v:String x:Key="size-mb">МБ</v:String>
     <v:String x:Key="size-gb">ГБ</v:String>
+
+    <!-- Experimental settings -->
+    <v:String x:Key="m_ExperimentalSettings">Эксперименты</v:String>
+    <v:String x:Key="m_BypassUploadRestrictions">Обход запрета на загрузку определенных типов файлов (например .txt и .csv)</v:String>
+    <v:String x:Key="m_BypassUploadRestrictionsHelpText">Может решить проблемы с загрузкой отдельных файлов, особенной файлов с кодом</v:String>
 </ResourceDictionary>
diff --git a/MystatDesktopWpf/Languages/lang.uk-UA.xaml b/MystatDesktopWpf/Languages/lang.uk-UA.xaml
index d6647c9..5d9a64d 100644
--- a/MystatDesktopWpf/Languages/lang.uk-UA.xaml
+++ b/MystatDesktopWpf/Languages/lang.uk-UA.xaml
@@ -52,7 +52,7 @@
     <v:String x:Key="m_ColorSelection">Кориговані кольори</v:String>
 
     <v:String x:Key="m_ShowFromTray">Розгорнути</v:String>
-	  <v:String x:Key="m_Exit">Закрити</v:String>
+	<v:String x:Key="m_Exit">Закрити</v:String>
     
     <v:String x:Key="m_TraySettings">Налаштування трею</v:String>
     <v:String x:Key="m_MoveToTray">Коли переміщати в трей:</v:String>
@@ -76,6 +76,8 @@
     <v:String x:Key="m_FolderOpenError">Не вдалося відкрити папку.</v:String>
     <v:String x:Key="m_ErrorWhileLoadingHomework" xml:space="preserve">¯\_(ツ)_/¯&#13;&#13;Під час завантаження домашнього завдання виникла помилка, повторіть спробу пізніше.</v:String>
     <v:String x:Key="m_AllSubjects">Всі предмети</v:String>
+    <v:String x:Key="m_HomeworkTypeHomework">Домашні завдання</v:String>
+    <v:String x:Key="m_HomeworkTypeLab">Лабораторні завдання</v:String>
 
     <!-- Homework tooltips -->
     <v:String x:Key="m_TeacherComment">Коментар викладача</v:String>
@@ -197,4 +199,9 @@
     <v:String x:Key="size-kb">КБ</v:String>
     <v:String x:Key="size-mb">МБ</v:String>
     <v:String x:Key="size-gb">ГБ</v:String>
+
+    <!-- Experimental settings -->
+    <v:String x:Key="m_ExperimentalSettings">Експерименти</v:String>
+    <v:String x:Key="m_BypassUploadRestrictions">Обхід заборони завантаження певних типів файлів (наприклад, .txt і .csv)</v:String>
+    <v:String x:Key="m_BypassUploadRestrictionsHelpText">Може вирішити проблеми із завантаженням окремих файлів, особливо файлів з кодом</v:String>
 </ResourceDictionary>
diff --git a/MystatDesktopWpf/Services/SettingsService.cs b/MystatDesktopWpf/Services/SettingsService.cs
index 6d11afa..002baae 100644
--- a/MystatDesktopWpf/Services/SettingsService.cs
+++ b/MystatDesktopWpf/Services/SettingsService.cs
@@ -47,6 +47,7 @@ static SettingsService()
             Settings.Theme.OnPropertyChanged += SettingsChanged;
             Settings.Tray.OnPropertyChanged += SettingsChanged;
             Settings.TimezoneConvertion.OnPropertyChanged += SettingsChanged;
+            Settings.Experimental.OnPropertyChanged += SettingsChanged;
         }
 
         public static Settings? Load()
@@ -172,6 +173,7 @@ то мы ставим анлийский*/
         public ThemeSubSettings Theme { get; set; } = new();
         public TraySubSettings Tray { get; set; } = new();
         public TimezoneSubSettings TimezoneConvertion { get; set; } = new();
+        public ExperimentalFeaturesSubSettings Experimental { get; set; } = new();
         public bool AutoLessonEvaluationEnabled { get; set; } = false;
         public string Language { get; set; }
 
diff --git a/MystatDesktopWpf/SubSettings/ExperimentalFeaturesSubSettings.cs b/MystatDesktopWpf/SubSettings/ExperimentalFeaturesSubSettings.cs
new file mode 100644
index 0000000..215f63f
--- /dev/null
+++ b/MystatDesktopWpf/SubSettings/ExperimentalFeaturesSubSettings.cs
@@ -0,0 +1,31 @@
+using MystatDesktopWpf.Services;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MystatDesktopWpf.SubSettings
+{
+    public class ExperimentalFeaturesSubSettings : ISettingsProperty
+    {
+        public event Action? OnPropertyChanged;
+
+        private bool bypassUploadRestrictions = false;
+
+        public bool BypassUploadRestrictions
+        {
+            get => bypassUploadRestrictions;
+            set
+            {
+                bypassUploadRestrictions = value;
+                PropertyChanged();
+            }
+        }
+
+        public void PropertyChanged()
+        {
+            OnPropertyChanged?.Invoke();
+        }
+    }
+}
diff --git a/MystatDesktopWpf/UserControls/DialogContent/UploadHomework.xaml.cs b/MystatDesktopWpf/UserControls/DialogContent/UploadHomework.xaml.cs
index 319bbd5..152e942 100644
--- a/MystatDesktopWpf/UserControls/DialogContent/UploadHomework.xaml.cs
+++ b/MystatDesktopWpf/UserControls/DialogContent/UploadHomework.xaml.cs
@@ -1,6 +1,7 @@
 using MaterialDesignThemes.Wpf;
 using Microsoft.Win32;
 using MystatAPI.Entity;
+using MystatDesktopWpf.Services;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -17,6 +18,7 @@ namespace MystatDesktopWpf.UserControls.DialogContent
     /// </summary>
     public partial class UploadHomework : UserControl
     {
+        public static string[] mystatForbiddenExtentions = new string[] { ".txt", ".csv", ".py" };
         public static readonly DependencyProperty HeaderProperty =
            DependencyProperty.Register("Header", typeof(string), typeof(UploadHomework));
         public string Header
@@ -79,7 +81,10 @@ private void UpdateFileInfo()
                 fileLine.Visibility = Visibility.Visible;
 
                 string extension = Path.GetExtension(files[0]);
-                if (files?.Length != 1 || extension == ".txt" || extension == ".csv" || Directory.Exists(files[0]))
+                if (
+                    files?.Length != 1 
+                    || (mystatForbiddenExtentions.Contains(extension) && !SettingsService.Settings.Experimental.BypassUploadRestrictions) 
+                    || Directory.Exists(files[0]))
                 {
                     Archive = true;
                     fileTextBox.Visibility = Visibility.Visible;
diff --git a/MystatDesktopWpf/UserControls/Menus/Homeworks.xaml b/MystatDesktopWpf/UserControls/Menus/Homeworks.xaml
index 6d0bfa8..2293777 100644
--- a/MystatDesktopWpf/UserControls/Menus/Homeworks.xaml
+++ b/MystatDesktopWpf/UserControls/Menus/Homeworks.xaml
@@ -15,7 +15,6 @@
     <materialDesign:DialogHost x:Name="homeworkDialog" CloseOnClickAway="True" DialogTheme="Inherit">
         <Grid>
             <materialDesign:Transitioner x:Name="transitioner" SelectedIndex="0">
-
                 <materialDesign:TransitionerSlide>
                     <materialDesign:TransitionerSlide.ForwardWipe>
                         <materialDesign:FadeWipe/>
@@ -26,14 +25,24 @@
                 <materialDesign:TransitionerSlide BackwardWipe="{x:Null}">
                     <ScrollViewer>
                         <StackPanel x:Name="HomeworkStackPanel" Margin="16">
-                            <ComboBox x:Name="SpecsComboBox" ItemsSource="{Binding Specs}" Margin="8 0" HorizontalAlignment="Left"
-                                      SelectedItem="{Binding SelectedSpec, Mode=OneWay}" Width="430" >
-                                <ComboBox.ItemTemplate>
-                                    <DataTemplate>
-                                        <TextBlock Text="{Binding Name}"/>
-                                    </DataTemplate>
-                                </ComboBox.ItemTemplate>
-                            </ComboBox>
+                            <StackPanel Orientation="Horizontal">
+                                <!--<ComboBox x:Name="TypeComboBox"  Margin="8 0" HorizontalAlignment="Left" Width="200" ItemsSource="{Binding Types}" 
+                                          SelectedItem="{Binding SelectedType, Mode=OneWay}">
+                                    <ComboBox.ItemTemplate>
+                                        <DataTemplate>
+                                            <TextBlock Text="{Binding TranslationKey, Converter={StaticResource StringToResource}}"/>
+                                        </DataTemplate>
+                                    </ComboBox.ItemTemplate>
+                                </ComboBox>-->
+                                <ComboBox x:Name="SpecsComboBox" ItemsSource="{Binding Specs}" Margin="8 0" HorizontalAlignment="Left"
+                                          SelectedItem="{Binding SelectedSpec, Mode=OneWay}" Width="430" >
+                                    <ComboBox.ItemTemplate>
+                                        <DataTemplate>
+                                            <TextBlock Text="{Binding Name}"/>
+                                        </DataTemplate>
+                                    </ComboBox.ItemTemplate>
+                                </ComboBox>
+                            </StackPanel>
                             <controls:HomeworkList x:Name="OverdueList" Header="{DynamicResource m_Overdue}" 
                                                    HomeworkManager="{Binding ElementName=Control}"/>
 
diff --git a/MystatDesktopWpf/UserControls/Menus/LessonEvaluation.xaml.cs b/MystatDesktopWpf/UserControls/Menus/LessonEvaluation.xaml.cs
index 7687dc3..32f4ae3 100644
--- a/MystatDesktopWpf/UserControls/Menus/LessonEvaluation.xaml.cs
+++ b/MystatDesktopWpf/UserControls/Menus/LessonEvaluation.xaml.cs
@@ -2,11 +2,10 @@
 using MystatDesktopWpf.Domain;
 using MystatDesktopWpf.Services;
 using MystatDesktopWpf.ViewModels;
-using System.Linq;
 using System;
+using System.Linq;
 using System.Windows;
 using System.Windows.Controls;
-using MystatAPI.Entity;
 
 namespace MystatDesktopWpf.UserControls.Menus
 {
@@ -16,6 +15,8 @@ namespace MystatDesktopWpf.UserControls.Menus
     public partial class LessonEvaluation : UserControl, IRefreshable
     {
         private LessonEvaluationViewModel viewModel;
+        private static bool autoRefreshCompleted = false;
+
         public LessonEvaluation()
         {
             InitializeComponent();
@@ -38,7 +39,7 @@ private async void AutoRefresh()
                         return;
                     }
                 }
-                
+
                 // If not - schedule for tomorrow 
                 scheduleList = await MystatAPISingleton.Client.GetScheduleByDate(DateTime.Now.AddDays(1));
                 if (scheduleList.Length > 0)
diff --git a/MystatDesktopWpf/UserControls/Menus/Settings.xaml b/MystatDesktopWpf/UserControls/Menus/Settings.xaml
index 9291ea4..56c311a 100644
--- a/MystatDesktopWpf/UserControls/Menus/Settings.xaml
+++ b/MystatDesktopWpf/UserControls/Menus/Settings.xaml
@@ -20,6 +20,7 @@
             <controls:ThemeSettings Margin="8"/>
             <controls:TraySettings Margin="8"/>
             <controls:TimezoneSettings Margin="8"/>
+            <controls:ExperimentalSettings Margin="8"/>
             <controls:CacheSettings x:Name="CacheSettings" Margin="8"/>
         </StackPanel>
     </ScrollViewer>
diff --git a/MystatDesktopWpf/UserControls/SettingsSections/ExperimentalSettings.xaml b/MystatDesktopWpf/UserControls/SettingsSections/ExperimentalSettings.xaml
new file mode 100644
index 0000000..fb60ea0
--- /dev/null
+++ b/MystatDesktopWpf/UserControls/SettingsSections/ExperimentalSettings.xaml
@@ -0,0 +1,22 @@
+<UserControl x:Class="MystatDesktopWpf.UserControls.SettingsSections.ExperimentalSettings"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:MystatDesktopWpf.UserControls.SettingsSections"
+             xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <materialDesign:Card Padding="8">
+        <StackPanel Margin="8 0 0 0">
+            <TextBlock Text="{DynamicResource m_ExperimentalSettings}" HorizontalAlignment="Left" Style="{DynamicResource MaterialDesignBody1TextBlock}"/>
+            <StackPanel Orientation="Horizontal" Margin="0 8">
+                <ToggleButton x:Name="BypassUploadToggle" Unchecked="ToggleButton_Unchecked" Checked='ToggleButton_Checked' VerticalAlignment="Top" />
+                <StackPanel Orientation="Vertical" Margin="8 0 0 0">
+                    <TextBlock Text="{DynamicResource m_BypassUploadRestrictions}"/>
+                    <TextBlock Text="{DynamicResource m_BypassUploadRestrictionsHelpText}" FontSize="10" Margin="0 4 0 0"/>
+                </StackPanel>
+            </StackPanel>
+        </StackPanel>
+    </materialDesign:Card>
+</UserControl>
diff --git a/MystatDesktopWpf/UserControls/SettingsSections/ExperimentalSettings.xaml.cs b/MystatDesktopWpf/UserControls/SettingsSections/ExperimentalSettings.xaml.cs
new file mode 100644
index 0000000..faca5f6
--- /dev/null
+++ b/MystatDesktopWpf/UserControls/SettingsSections/ExperimentalSettings.xaml.cs
@@ -0,0 +1,44 @@
+using MystatDesktopWpf.Domain;
+using MystatDesktopWpf.Services;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace MystatDesktopWpf.UserControls.SettingsSections
+{
+    /// <summary>
+    /// Interaction logic for ExperimentalSettings.xaml
+    /// </summary>
+    public partial class ExperimentalSettings : UserControl
+    {
+        public ExperimentalSettings()
+        {
+            InitializeComponent();
+            BypassUploadToggle.IsChecked = SettingsService.Settings.Experimental.BypassUploadRestrictions;
+        }
+
+        private void ToggleButton_Checked(object sender, RoutedEventArgs e)
+        {
+            MystatAPISingleton.Client.BypassUploadRestrictions = true;
+            SettingsService.Settings.Experimental.BypassUploadRestrictions = true;
+        }
+
+        private void ToggleButton_Unchecked(object sender, RoutedEventArgs e)
+        {
+            MystatAPISingleton.Client.BypassUploadRestrictions = false;
+            SettingsService.Settings.Experimental.BypassUploadRestrictions = false;
+        }
+    }
+}
diff --git a/MystatDesktopWpf/ViewModels/HomeworksViewModel.cs b/MystatDesktopWpf/ViewModels/HomeworksViewModel.cs
index 05b5c26..28d4bde 100644
--- a/MystatDesktopWpf/ViewModels/HomeworksViewModel.cs
+++ b/MystatDesktopWpf/ViewModels/HomeworksViewModel.cs
@@ -6,8 +6,6 @@
 using System.Threading.Tasks;
 using System.ComponentModel;
 using System.Linq;
-using System.Xml.Linq;
-using Microsoft.VisualBasic.FileIO;
 using MystatDesktopWpf.UserControls.Menus;
 
 namespace MystatDesktopWpf.ViewModels
@@ -19,6 +17,12 @@ internal class HomeworksViewModel : ViewModelBase, INotificationCount
 
         private List<Spec> specs;
         public List<Spec> Specs { get => specs; set => SetProperty(ref specs, value); }
+        
+        private List<HomeworkTypeListEntry> types = new List<HomeworkTypeListEntry>() {
+            new HomeworkTypeListEntry(HomeworkType.Homework, "m_HomeworkTypeHomework"),
+            new HomeworkTypeListEntry(HomeworkType.Lab, "m_HomeworkTypeLab"),
+        };
+        public List<HomeworkTypeListEntry> Types { get => types; set => SetProperty(ref types, value); }
 
         private readonly Spec allSpecsItem;
         private Spec selectedSpec;
@@ -32,6 +36,16 @@ private set
             }
         }
 
+        private HomeworkTypeListEntry selectedHomeworkType;
+        public HomeworkTypeListEntry SelectedType
+        {
+            get => selectedHomeworkType;
+            private set
+            {
+                SetProperty(ref selectedHomeworkType, value);
+            }
+        }
+
         public HomeworksViewModel()
         {
             Homework[HomeworkStatus.Active].PropertyChanged += HomeworksViewModel_PropertyChanged;
@@ -45,6 +59,7 @@ public HomeworksViewModel()
             };
             allSpecsItem.ShortName = allSpecsItem.Name;
             selectedSpec = allSpecsItem;
+            selectedHomeworkType = types[0];
             UpdateHomeworkCollectionSpecs();
             App.LanguageChanged += App_LanguageChanged;
             App.GroupChanged += (_, _) => { 
@@ -231,4 +246,16 @@ public async Task<bool> LoadNextPage()
             }
         }
     }
+
+    class HomeworkTypeListEntry
+    {
+        public HomeworkType HomeworkType { get; set; }
+        public string TranslationKey { get; set; }
+
+        public HomeworkTypeListEntry(HomeworkType homeworkType, string translationKey)
+        {
+            HomeworkType = homeworkType;
+            TranslationKey = translationKey;
+        }
+    }
 }
\ No newline at end of file
diff --git a/mystatapi-cs b/mystatapi-cs
index e5ba128..774cdf1 160000
--- a/mystatapi-cs
+++ b/mystatapi-cs
@@ -1 +1 @@
-Subproject commit e5ba12825ae57aeb7350017cf9f9e876fe903f1a
+Subproject commit 774cdf1f4137b0a10ca20bbc1f23a54e2d3cb650