diff --git a/.mapping.json b/.mapping.json
index 63b40cb..c8deb1d 100644
--- a/.mapping.json
+++ b/.mapping.json
@@ -223,6 +223,7 @@
   "Specs/VGSL/3.0.1/VGSL.podspec":"mobile/vgsl/public/Specs/VGSL/3.0.1/VGSL.podspec",
   "Specs/VGSL/3.0.2/VGSL.podspec":"mobile/vgsl/public/Specs/VGSL/3.0.2/VGSL.podspec",
   "Specs/VGSL/3.1.2/VGSL.podspec":"mobile/vgsl/public/Specs/VGSL/3.1.2/VGSL.podspec",
+  "Specs/VGSL/4.0.0/VGSL.podspec":"mobile/vgsl/public/Specs/VGSL/4.0.0/VGSL.podspec",
   "Specs/VGSLBase/2.2.0/VGSLBase.podspec":"mobile/vgsl/public/Specs/VGSLBase/2.2.0/VGSLBase.podspec",
   "Specs/VGSLBase/2.3.0/VGSLBase.podspec":"mobile/vgsl/public/Specs/VGSLBase/2.3.0/VGSLBase.podspec",
   "Specs/VGSLBase/2.3.1/VGSLBase.podspec":"mobile/vgsl/public/Specs/VGSLBase/2.3.1/VGSLBase.podspec",
@@ -233,6 +234,7 @@
   "Specs/VGSLBase/3.0.1/VGSLBase.podspec":"mobile/vgsl/public/Specs/VGSLBase/3.0.1/VGSLBase.podspec",
   "Specs/VGSLBase/3.0.2/VGSLBase.podspec":"mobile/vgsl/public/Specs/VGSLBase/3.0.2/VGSLBase.podspec",
   "Specs/VGSLBase/3.1.2/VGSLBase.podspec":"mobile/vgsl/public/Specs/VGSLBase/3.1.2/VGSLBase.podspec",
+  "Specs/VGSLBase/4.0.0/VGSLBase.podspec":"mobile/vgsl/public/Specs/VGSLBase/4.0.0/VGSLBase.podspec",
   "Specs/VGSLBaseTiny/2.2.0/VGSLBaseTiny.podspec":"mobile/vgsl/public/Specs/VGSLBaseTiny/2.2.0/VGSLBaseTiny.podspec",
   "Specs/VGSLBaseTiny/2.3.0/VGSLBaseTiny.podspec":"mobile/vgsl/public/Specs/VGSLBaseTiny/2.3.0/VGSLBaseTiny.podspec",
   "Specs/VGSLBaseTiny/2.3.1/VGSLBaseTiny.podspec":"mobile/vgsl/public/Specs/VGSLBaseTiny/2.3.1/VGSLBaseTiny.podspec",
@@ -243,6 +245,7 @@
   "Specs/VGSLBaseTiny/3.0.1/VGSLBaseTiny.podspec":"mobile/vgsl/public/Specs/VGSLBaseTiny/3.0.1/VGSLBaseTiny.podspec",
   "Specs/VGSLBaseTiny/3.0.2/VGSLBaseTiny.podspec":"mobile/vgsl/public/Specs/VGSLBaseTiny/3.0.2/VGSLBaseTiny.podspec",
   "Specs/VGSLBaseTiny/3.1.2/VGSLBaseTiny.podspec":"mobile/vgsl/public/Specs/VGSLBaseTiny/3.1.2/VGSLBaseTiny.podspec",
+  "Specs/VGSLBaseTiny/4.0.0/VGSLBaseTiny.podspec":"mobile/vgsl/public/Specs/VGSLBaseTiny/4.0.0/VGSLBaseTiny.podspec",
   "Specs/VGSLBaseUI/2.2.0/VGSLBaseUI.podspec":"mobile/vgsl/public/Specs/VGSLBaseUI/2.2.0/VGSLBaseUI.podspec",
   "Specs/VGSLBaseUI/2.3.0/VGSLBaseUI.podspec":"mobile/vgsl/public/Specs/VGSLBaseUI/2.3.0/VGSLBaseUI.podspec",
   "Specs/VGSLBaseUI/2.3.1/VGSLBaseUI.podspec":"mobile/vgsl/public/Specs/VGSLBaseUI/2.3.1/VGSLBaseUI.podspec",
@@ -253,6 +256,7 @@
   "Specs/VGSLBaseUI/3.0.1/VGSLBaseUI.podspec":"mobile/vgsl/public/Specs/VGSLBaseUI/3.0.1/VGSLBaseUI.podspec",
   "Specs/VGSLBaseUI/3.0.2/VGSLBaseUI.podspec":"mobile/vgsl/public/Specs/VGSLBaseUI/3.0.2/VGSLBaseUI.podspec",
   "Specs/VGSLBaseUI/3.1.2/VGSLBaseUI.podspec":"mobile/vgsl/public/Specs/VGSLBaseUI/3.1.2/VGSLBaseUI.podspec",
+  "Specs/VGSLBaseUI/4.0.0/VGSLBaseUI.podspec":"mobile/vgsl/public/Specs/VGSLBaseUI/4.0.0/VGSLBaseUI.podspec",
   "Specs/VGSLCommonCore/2.2.0/VGSLCommonCore.podspec":"mobile/vgsl/public/Specs/VGSLCommonCore/2.2.0/VGSLCommonCore.podspec",
   "Specs/VGSLCommonCore/2.3.0/VGSLCommonCore.podspec":"mobile/vgsl/public/Specs/VGSLCommonCore/2.3.0/VGSLCommonCore.podspec",
   "Specs/VGSLCommonCore/2.3.1/VGSLCommonCore.podspec":"mobile/vgsl/public/Specs/VGSLCommonCore/2.3.1/VGSLCommonCore.podspec",
@@ -263,6 +267,7 @@
   "Specs/VGSLCommonCore/3.0.1/VGSLCommonCore.podspec":"mobile/vgsl/public/Specs/VGSLCommonCore/3.0.1/VGSLCommonCore.podspec",
   "Specs/VGSLCommonCore/3.0.2/VGSLCommonCore.podspec":"mobile/vgsl/public/Specs/VGSLCommonCore/3.0.2/VGSLCommonCore.podspec",
   "Specs/VGSLCommonCore/3.1.2/VGSLCommonCore.podspec":"mobile/vgsl/public/Specs/VGSLCommonCore/3.1.2/VGSLCommonCore.podspec",
+  "Specs/VGSLCommonCore/4.0.0/VGSLCommonCore.podspec":"mobile/vgsl/public/Specs/VGSLCommonCore/4.0.0/VGSLCommonCore.podspec",
   "Specs/VGSLNetworking/2.2.0/VGSLNetworking.podspec":"mobile/vgsl/public/Specs/VGSLNetworking/2.2.0/VGSLNetworking.podspec",
   "Specs/VGSLNetworking/2.3.0/VGSLNetworking.podspec":"mobile/vgsl/public/Specs/VGSLNetworking/2.3.0/VGSLNetworking.podspec",
   "Specs/VGSLNetworking/2.3.1/VGSLNetworking.podspec":"mobile/vgsl/public/Specs/VGSLNetworking/2.3.1/VGSLNetworking.podspec",
@@ -273,18 +278,21 @@
   "Specs/VGSLNetworking/3.0.1/VGSLNetworking.podspec":"mobile/vgsl/public/Specs/VGSLNetworking/3.0.1/VGSLNetworking.podspec",
   "Specs/VGSLNetworking/3.0.2/VGSLNetworking.podspec":"mobile/vgsl/public/Specs/VGSLNetworking/3.0.2/VGSLNetworking.podspec",
   "Specs/VGSLNetworking/3.1.2/VGSLNetworking.podspec":"mobile/vgsl/public/Specs/VGSLNetworking/3.1.2/VGSLNetworking.podspec",
+  "Specs/VGSLNetworking/4.0.0/VGSLNetworking.podspec":"mobile/vgsl/public/Specs/VGSLNetworking/4.0.0/VGSLNetworking.podspec",
   "Specs/VGSL_Fundamentals/2.4.0/VGSL_Fundamentals.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals/2.4.0/VGSL_Fundamentals.podspec",
   "Specs/VGSL_Fundamentals/2.4.1/VGSL_Fundamentals.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals/2.4.1/VGSL_Fundamentals.podspec",
   "Specs/VGSL_Fundamentals/3.0.0/VGSL_Fundamentals.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals/3.0.0/VGSL_Fundamentals.podspec",
   "Specs/VGSL_Fundamentals/3.0.1/VGSL_Fundamentals.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals/3.0.1/VGSL_Fundamentals.podspec",
   "Specs/VGSL_Fundamentals/3.0.2/VGSL_Fundamentals.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals/3.0.2/VGSL_Fundamentals.podspec",
   "Specs/VGSL_Fundamentals/3.1.2/VGSL_Fundamentals.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals/3.1.2/VGSL_Fundamentals.podspec",
+  "Specs/VGSL_Fundamentals/4.0.0/VGSL_Fundamentals.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals/4.0.0/VGSL_Fundamentals.podspec",
   "Specs/VGSL_Fundamentals_Tiny/2.4.0/VGSL_Fundamentals_Tiny.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals_Tiny/2.4.0/VGSL_Fundamentals_Tiny.podspec",
   "Specs/VGSL_Fundamentals_Tiny/2.4.1/VGSL_Fundamentals_Tiny.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals_Tiny/2.4.1/VGSL_Fundamentals_Tiny.podspec",
   "Specs/VGSL_Fundamentals_Tiny/3.0.0/VGSL_Fundamentals_Tiny.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals_Tiny/3.0.0/VGSL_Fundamentals_Tiny.podspec",
   "Specs/VGSL_Fundamentals_Tiny/3.0.1/VGSL_Fundamentals_Tiny.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals_Tiny/3.0.1/VGSL_Fundamentals_Tiny.podspec",
   "Specs/VGSL_Fundamentals_Tiny/3.0.2/VGSL_Fundamentals_Tiny.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals_Tiny/3.0.2/VGSL_Fundamentals_Tiny.podspec",
   "Specs/VGSL_Fundamentals_Tiny/3.1.2/VGSL_Fundamentals_Tiny.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals_Tiny/3.1.2/VGSL_Fundamentals_Tiny.podspec",
+  "Specs/VGSL_Fundamentals_Tiny/4.0.0/VGSL_Fundamentals_Tiny.podspec":"mobile/vgsl/public/Specs/VGSL_Fundamentals_Tiny/4.0.0/VGSL_Fundamentals_Tiny.podspec",
   "VGSL/Exports.swift":"mobile/vgsl/public/VGSL/Exports.swift",
   "VGSL_Fundamentals/ArrayExtensions.swift":"mobile/vgsl/public/VGSL_Fundamentals/ArrayExtensions.swift",
   "VGSL_Fundamentals/CollectionExtensions.swift":"mobile/vgsl/public/VGSL_Fundamentals/CollectionExtensions.swift",
diff --git a/Specs/VGSL/4.0.0/VGSL.podspec b/Specs/VGSL/4.0.0/VGSL.podspec
new file mode 100644
index 0000000..044f3fc
--- /dev/null
+++ b/Specs/VGSL/4.0.0/VGSL.podspec
@@ -0,0 +1,23 @@
+Pod::Spec.new do |s|
+  s.name             = 'VGSL'
+  s.module_name      = 'VGSL'
+  s.version          = '4.0.0'
+  s.summary          = 'A useful set of basic components for an iOS app'
+  s.description      = 'A useful set of basic components for an iOS app'
+  s.homepage         = 'https://github.com/yandex/vgsl'
+
+  s.license          = { :type => 'MIT', :file => 'LICENSE' }
+  s.author           = { 'vgsl' => 'vgsl@yandex-team.ru' }
+  s.source           = { :git => 'https://github.com/yandex/vgsl.git', :tag => s.version.to_s }
+
+  s.swift_version = '5.9'
+  s.requires_arc = true
+  s.prefix_header_file = false
+  s.platforms = { :ios => '9.0', :tvos => '12.0' }
+
+  s.dependency 'VGSL_Fundamentals', s.version.to_s
+
+  s.source_files = [
+    'VGSL/**/*'
+  ]
+end
diff --git a/Specs/VGSLBase/4.0.0/VGSLBase.podspec b/Specs/VGSLBase/4.0.0/VGSLBase.podspec
new file mode 100644
index 0000000..e3dec5f
--- /dev/null
+++ b/Specs/VGSLBase/4.0.0/VGSLBase.podspec
@@ -0,0 +1,25 @@
+Pod::Spec.new do |s|
+  s.name             = 'VGSLBase'
+  s.module_name      = 'BasePublic'
+  s.version          = '4.0.0'
+  s.summary          = 'A useful set of basic components for an iOS app'
+  s.description      = 'A useful set of basic components for an iOS app'
+  s.homepage         = 'https://github.com/yandex/vgsl'
+
+  s.license          = { :type => 'MIT', :file => 'LICENSE' }
+  s.author           = { 'vgsl' => 'vgsl@yandex-team.ru' }
+  s.source           = { :git => 'https://github.com/yandex/vgsl.git', :tag => s.version.to_s }
+
+  s.swift_version = '5.9'
+  s.requires_arc = true
+  s.prefix_header_file = false
+  s.platforms = { :ios => '9.0', :tvos => '12.0' }
+  
+  s.dependency 'VGSLBaseTiny', s.version.to_s
+  s.dependency 'VGSLBaseUI', s.version.to_s
+  s.dependency 'VGSL_Fundamentals', s.version.to_s
+
+  s.source_files = [
+    'BasePublic/**/*'
+  ]
+end
diff --git a/Specs/VGSLBaseTiny/4.0.0/VGSLBaseTiny.podspec b/Specs/VGSLBaseTiny/4.0.0/VGSLBaseTiny.podspec
new file mode 100644
index 0000000..053a30c
--- /dev/null
+++ b/Specs/VGSLBaseTiny/4.0.0/VGSLBaseTiny.podspec
@@ -0,0 +1,23 @@
+Pod::Spec.new do |s|
+  s.name             = 'VGSLBaseTiny'
+  s.module_name      = 'BaseTinyPublic'
+  s.version          = '4.0.0'
+  s.summary          = 'A useful set of basic components for an iOS app'
+  s.description      = 'A useful set of basic components for an iOS app'
+  s.homepage         = 'https://github.com/yandex/vgsl'
+
+  s.license          = { :type => 'MIT', :file => 'LICENSE' }
+  s.author           = { 'vgsl' => 'vgsl@yandex-team.ru' }
+  s.source           = { :git => 'https://github.com/yandex/vgsl.git', :tag => s.version.to_s }
+
+  s.swift_version = '5.9'
+  s.requires_arc = true
+  s.prefix_header_file = false
+  s.platforms = { :ios => '9.0', :tvos => '12.0' }
+
+  s.dependency 'VGSL_Fundamentals_Tiny', s.version.to_s
+
+  s.source_files = [
+    'BaseTinyPublic/**/*'
+  ]
+end
diff --git a/Specs/VGSLBaseUI/4.0.0/VGSLBaseUI.podspec b/Specs/VGSLBaseUI/4.0.0/VGSLBaseUI.podspec
new file mode 100644
index 0000000..90821b7
--- /dev/null
+++ b/Specs/VGSLBaseUI/4.0.0/VGSLBaseUI.podspec
@@ -0,0 +1,23 @@
+Pod::Spec.new do |s|
+  s.name             = 'VGSLBaseUI'
+  s.module_name      = 'BaseUIPublic'
+  s.version          = '4.0.0'
+  s.summary          = 'A useful set of basic components for an iOS app'
+  s.description      = 'A useful set of basic components for an iOS app'
+  s.homepage         = 'https://github.com/yandex/vgsl'
+
+  s.license          = { :type => 'MIT', :file => 'LICENSE' }
+  s.author           = { 'vgsl' => 'vgsl@yandex-team.ru' }
+  s.source           = { :git => 'https://github.com/yandex/vgsl.git', :tag => s.version.to_s }
+
+  s.swift_version = '5.9'
+  s.requires_arc = true
+  s.prefix_header_file = false
+  s.platforms = { :ios => '9.0', :tvos => '12.0' }
+  
+  s.dependency 'VGSLBaseTiny', s.version.to_s
+
+  s.source_files = [
+    'BaseUIPublic/**/*'
+  ]
+end
diff --git a/Specs/VGSLCommonCore/4.0.0/VGSLCommonCore.podspec b/Specs/VGSLCommonCore/4.0.0/VGSLCommonCore.podspec
new file mode 100644
index 0000000..b6682c4
--- /dev/null
+++ b/Specs/VGSLCommonCore/4.0.0/VGSLCommonCore.podspec
@@ -0,0 +1,23 @@
+Pod::Spec.new do |s|
+  s.name             = 'VGSLCommonCore'
+  s.module_name      = 'CommonCorePublic'
+  s.version          = '4.0.0'
+  s.summary          = 'A useful set of basic components for an iOS app'
+  s.description      = 'A useful set of basic components for an iOS app'
+  s.homepage         = 'https://github.com/yandex/vgsl'
+
+  s.license          = { :type => 'MIT', :file => 'LICENSE' }
+  s.author           = { 'vgsl' => 'vgsl@yandex-team.ru' }
+  s.source           = { :git => 'https://github.com/yandex/vgsl.git', :tag => s.version.to_s }
+
+  s.swift_version = '5.9'
+  s.requires_arc = true
+  s.prefix_header_file = false
+  s.platforms = { :ios => '9.0', :tvos => '12.0' }
+
+  s.dependency 'VGSLBase', s.version.to_s
+
+  s.source_files = [
+    'CommonCorePublic/**/*'
+  ]
+end
diff --git a/Specs/VGSLNetworking/4.0.0/VGSLNetworking.podspec b/Specs/VGSLNetworking/4.0.0/VGSLNetworking.podspec
new file mode 100644
index 0000000..5f21ba2
--- /dev/null
+++ b/Specs/VGSLNetworking/4.0.0/VGSLNetworking.podspec
@@ -0,0 +1,23 @@
+Pod::Spec.new do |s|
+  s.name             = 'VGSLNetworking'
+  s.module_name      = 'NetworkingPublic'
+  s.version          = '4.0.0'
+  s.summary          = 'A useful set of basic components for an iOS app'
+  s.description      = 'A useful set of basic components for an iOS app'
+  s.homepage         = 'https://github.com/yandex/vgsl'
+
+  s.license          = { :type => 'MIT', :file => 'LICENSE' }
+  s.author           = { 'vgsl' => 'vgsl@yandex-team.ru' }
+  s.source           = { :git => 'https://github.com/yandex/vgsl.git', :tag => s.version.to_s }
+
+  s.swift_version = '5.9'
+  s.requires_arc = true
+  s.prefix_header_file = false
+  s.platforms = { :ios => '9.0', :tvos => '12.0' }
+
+  s.dependency 'VGSLBase', s.version.to_s
+
+  s.source_files = [
+    'NetworkingPublic/**/*'
+  ]
+end
diff --git a/Specs/VGSL_Fundamentals/4.0.0/VGSL_Fundamentals.podspec b/Specs/VGSL_Fundamentals/4.0.0/VGSL_Fundamentals.podspec
new file mode 100644
index 0000000..19eb3e7
--- /dev/null
+++ b/Specs/VGSL_Fundamentals/4.0.0/VGSL_Fundamentals.podspec
@@ -0,0 +1,23 @@
+Pod::Spec.new do |s|
+  s.name             = 'VGSL_Fundamentals'
+  s.module_name      = 'VGSL_Fundamentals'
+  s.version          = '4.0.0'
+  s.summary          = 'A useful set of basic components for an iOS app'
+  s.description      = 'A useful set of basic components for an iOS app'
+  s.homepage         = 'https://github.com/yandex/vgsl'
+
+  s.license          = { :type => 'MIT', :file => 'LICENSE' }
+  s.author           = { 'vgsl' => 'vgsl@yandex-team.ru' }
+  s.source           = { :git => 'https://github.com/yandex/vgsl.git', :tag => s.version.to_s }
+
+  s.swift_version = '5.9'
+  s.requires_arc = true
+  s.prefix_header_file = false
+  s.platforms = { :ios => '9.0', :tvos => '12.0' }
+  
+  s.dependency 'VGSL_Fundamentals_Tiny', s.version.to_s
+
+  s.source_files = [
+    'VGSL_Fundamentals/**/*'
+  ]
+end
diff --git a/Specs/VGSL_Fundamentals_Tiny/4.0.0/VGSL_Fundamentals_Tiny.podspec b/Specs/VGSL_Fundamentals_Tiny/4.0.0/VGSL_Fundamentals_Tiny.podspec
new file mode 100644
index 0000000..61f1c88
--- /dev/null
+++ b/Specs/VGSL_Fundamentals_Tiny/4.0.0/VGSL_Fundamentals_Tiny.podspec
@@ -0,0 +1,21 @@
+Pod::Spec.new do |s|
+  s.name             = 'VGSL_Fundamentals_Tiny'
+  s.module_name      = 'VGSL_Fundamentals_Tiny'
+  s.version          = '4.0.0'
+  s.summary          = 'A useful set of basic components for an iOS app'
+  s.description      = 'A useful set of basic components for an iOS app'
+  s.homepage         = 'https://github.com/yandex/vgsl'
+
+  s.license          = { :type => 'MIT', :file => 'LICENSE' }
+  s.author           = { 'vgsl' => 'vgsl@yandex-team.ru' }
+  s.source           = { :git => 'https://github.com/yandex/vgsl.git', :tag => s.version.to_s }
+
+  s.swift_version = '5.9'
+  s.requires_arc = true
+  s.prefix_header_file = false
+  s.platforms = { :ios => '9.0', :tvos => '12.0' }
+
+  s.source_files = [
+    'VGSL_Fundamentals_Tiny/**/*'
+  ]
+end