diff --git a/.github/workflows/samples-cpp-qt-client.yaml b/.github/workflows/samples-cpp-qt-client.yaml
index b885f4dbe7cd..44dacd8fe709 100644
--- a/.github/workflows/samples-cpp-qt-client.yaml
+++ b/.github/workflows/samples-cpp-qt-client.yaml
@@ -30,4 +30,4 @@ jobs:
           target: "desktop"
       - name: Build
         working-directory: "samples/client/petstore/cpp-qt"
-        run: cmake . && cmake --build .
+        run: cmake . && cmake --build . --verbose
diff --git a/modules/openapi-generator/src/main/resources/cpp-qt-client/HttpRequest.cpp.mustache b/modules/openapi-generator/src/main/resources/cpp-qt-client/HttpRequest.cpp.mustache
index d5aa5f863e63..b6469763e2bd 100644
--- a/modules/openapi-generator/src/main/resources/cpp-qt-client/HttpRequest.cpp.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-qt-client/HttpRequest.cpp.mustache
@@ -372,6 +372,7 @@ void {{prefix}}HttpRequestWorker::execute({{prefix}}HttpRequestInput *input) {
     }
     if (reply != nullptr) {
         reply->setParent(this);
+        connect(reply, &QNetworkReply::downloadProgress, this, &{{prefix}}HttpRequestWorker::downloadProgress);
         connect(reply, &QNetworkReply::finished, [this, reply] {
             on_reply_finished(reply);
         });
diff --git a/modules/openapi-generator/src/main/resources/cpp-qt-client/HttpRequest.h.mustache b/modules/openapi-generator/src/main/resources/cpp-qt-client/HttpRequest.h.mustache
index 660ef7590503..1ec374f90f89 100644
--- a/modules/openapi-generator/src/main/resources/cpp-qt-client/HttpRequest.h.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-qt-client/HttpRequest.h.mustache
@@ -72,6 +72,7 @@ public:
 
 Q_SIGNALS:
     void on_execution_finished({{prefix}}HttpRequestWorker *worker);
+    void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
 
 private:
     enum {{prefix}}CompressionType{
diff --git a/modules/openapi-generator/src/main/resources/cpp-qt-client/api-body.mustache b/modules/openapi-generator/src/main/resources/cpp-qt-client/api-body.mustache
index 56e90e5c4799..6e4bb4743fe1 100644
--- a/modules/openapi-generator/src/main/resources/cpp-qt-client/api-body.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-qt-client/api-body.mustache
@@ -660,6 +660,8 @@ void {{classname}}::{{nickname}}({{#allParams}}{{#required}}const {{{dataType}}}
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+{{#addDownloadProgress}}
+    connect(worker, &{{prefix}}HttpRequestWorker::downloadProgress, this, &{{classname}}::{{nickname}}Progress);{{/addDownloadProgress}}
     connect(worker, &{{prefix}}HttpRequestWorker::on_execution_finished, this, &{{classname}}::{{nickname}}Callback);
     connect(this, &{{classname}}::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
diff --git a/modules/openapi-generator/src/main/resources/cpp-qt-client/api-header.mustache b/modules/openapi-generator/src/main/resources/cpp-qt-client/api-header.mustache
index faa0bd472739..5391f6a6b057 100644
--- a/modules/openapi-generator/src/main/resources/cpp-qt-client/api-header.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-qt-client/api-header.mustache
@@ -88,6 +88,8 @@ private:
 Q_SIGNALS:
 {{#operations}}{{#operation}}
     void {{nickname}}Signal({{#returnType}}{{{.}}} summary{{/returnType}});{{/operation}}{{/operations}}
+{{#operations}}{{#operation}}{{#addDownloadProgress}}
+    void {{nickname}}Progress(qint64 bytesReceived, qint64 bytesTotal);{{/addDownloadProgress}}{{/operation}}{{/operations}}
 {{#operations}}{{#operation}}
     void {{nickname}}SignalFull({{prefix}}HttpRequestWorker *worker{{#returnType}}, {{{.}}} summary{{/returnType}});{{/operation}}{{/operations}}
 {{#operations}}{{#operation}}
diff --git a/samples/client/petstore/cpp-qt/client/PFXHttpRequest.cpp b/samples/client/petstore/cpp-qt/client/PFXHttpRequest.cpp
index 40d869cfaf6a..4e36e7a596f0 100644
--- a/samples/client/petstore/cpp-qt/client/PFXHttpRequest.cpp
+++ b/samples/client/petstore/cpp-qt/client/PFXHttpRequest.cpp
@@ -379,6 +379,7 @@ void PFXHttpRequestWorker::execute(PFXHttpRequestInput *input) {
     }
     if (reply != nullptr) {
         reply->setParent(this);
+        connect(reply, &QNetworkReply::downloadProgress, this, &PFXHttpRequestWorker::downloadProgress);
         connect(reply, &QNetworkReply::finished, [this, reply] {
             on_reply_finished(reply);
         });
diff --git a/samples/client/petstore/cpp-qt/client/PFXHttpRequest.h b/samples/client/petstore/cpp-qt/client/PFXHttpRequest.h
index 8d9656ed8675..e44027c91c14 100644
--- a/samples/client/petstore/cpp-qt/client/PFXHttpRequest.h
+++ b/samples/client/petstore/cpp-qt/client/PFXHttpRequest.h
@@ -80,6 +80,7 @@ class PFXHttpRequestWorker : public QObject {
 
 Q_SIGNALS:
     void on_execution_finished(PFXHttpRequestWorker *worker);
+    void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
 
 private:
     enum PFXCompressionType{
diff --git a/samples/client/petstore/cpp-qt/client/PFXPetApi.cpp b/samples/client/petstore/cpp-qt/client/PFXPetApi.cpp
index 298c9458a8e7..5084e4f4deaf 100644
--- a/samples/client/petstore/cpp-qt/client/PFXPetApi.cpp
+++ b/samples/client/petstore/cpp-qt/client/PFXPetApi.cpp
@@ -240,6 +240,7 @@ void PFXPetApi::addPet(const PFXPet &pfx_pet) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXPetApi::addPetCallback);
     connect(this, &PFXPetApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -348,6 +349,7 @@ void PFXPetApi::allPets() {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXPetApi::allPetsCallback);
     connect(this, &PFXPetApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -446,6 +448,7 @@ void PFXPetApi::deletePet(const qint64 &pet_id, const ::test_namespace::Optional
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXPetApi::deletePetCallback);
     connect(this, &PFXPetApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -640,6 +643,7 @@ void PFXPetApi::findPetsByStatus(const QList<QString> &status) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXPetApi::findPetsByStatusCallback);
     connect(this, &PFXPetApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -844,6 +848,7 @@ void PFXPetApi::findPetsByTags(const QList<QString> &tags) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXPetApi::findPetsByTagsCallback);
     connect(this, &PFXPetApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -980,6 +985,7 @@ void PFXPetApi::getPetById(const qint64 &pet_id) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXPetApi::getPetByIdCallback);
     connect(this, &PFXPetApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -1054,6 +1060,7 @@ void PFXPetApi::updatePet(const PFXPet &pfx_pet) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXPetApi::updatePetCallback);
     connect(this, &PFXPetApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -1184,6 +1191,7 @@ void PFXPetApi::updatePetWithForm(const qint64 &pet_id, const ::test_namespace::
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXPetApi::updatePetWithFormCallback);
     connect(this, &PFXPetApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -1314,6 +1322,7 @@ void PFXPetApi::uploadFile(const qint64 &pet_id, const ::test_namespace::Optiona
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXPetApi::uploadFileCallback);
     connect(this, &PFXPetApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
diff --git a/samples/client/petstore/cpp-qt/client/PFXPetApi.h b/samples/client/petstore/cpp-qt/client/PFXPetApi.h
index ba85ac3b95e9..42d40f1735fd 100644
--- a/samples/client/petstore/cpp-qt/client/PFXPetApi.h
+++ b/samples/client/petstore/cpp-qt/client/PFXPetApi.h
@@ -152,6 +152,7 @@ class PFXPetApi : public QObject {
     void updatePetWithFormSignal();
     void uploadFileSignal(PFXApiResponse summary);
 
+
     void addPetSignalFull(PFXHttpRequestWorker *worker);
     void allPetsSignalFull(PFXHttpRequestWorker *worker, QSet<PFXPet> summary);
     void deletePetSignalFull(PFXHttpRequestWorker *worker);
diff --git a/samples/client/petstore/cpp-qt/client/PFXPrimitivesApi.cpp b/samples/client/petstore/cpp-qt/client/PFXPrimitivesApi.cpp
index 143ad71ca044..5836fc875527 100644
--- a/samples/client/petstore/cpp-qt/client/PFXPrimitivesApi.cpp
+++ b/samples/client/petstore/cpp-qt/client/PFXPrimitivesApi.cpp
@@ -225,6 +225,7 @@ void PFXPrimitivesApi::primitivesIntegerPost(const ::test_namespace::OptionalPar
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXPrimitivesApi::primitivesIntegerPostCallback);
     connect(this, &PFXPrimitivesApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -297,6 +298,7 @@ void PFXPrimitivesApi::primitivesNumberPut(const ::test_namespace::OptionalParam
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXPrimitivesApi::primitivesNumberPutCallback);
     connect(this, &PFXPrimitivesApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
diff --git a/samples/client/petstore/cpp-qt/client/PFXPrimitivesApi.h b/samples/client/petstore/cpp-qt/client/PFXPrimitivesApi.h
index 7ecebdef01d9..64de9e41430b 100644
--- a/samples/client/petstore/cpp-qt/client/PFXPrimitivesApi.h
+++ b/samples/client/petstore/cpp-qt/client/PFXPrimitivesApi.h
@@ -96,6 +96,7 @@ class PFXPrimitivesApi : public QObject {
     void primitivesIntegerPostSignal();
     void primitivesNumberPutSignal();
 
+
     void primitivesIntegerPostSignalFull(PFXHttpRequestWorker *worker);
     void primitivesNumberPutSignalFull(PFXHttpRequestWorker *worker);
 
diff --git a/samples/client/petstore/cpp-qt/client/PFXStoreApi.cpp b/samples/client/petstore/cpp-qt/client/PFXStoreApi.cpp
index 646715359362..b8f9698839b0 100644
--- a/samples/client/petstore/cpp-qt/client/PFXStoreApi.cpp
+++ b/samples/client/petstore/cpp-qt/client/PFXStoreApi.cpp
@@ -239,6 +239,7 @@ void PFXStoreApi::deleteOrder(const QString &order_id) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXStoreApi::deleteOrderCallback);
     connect(this, &PFXStoreApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -311,6 +312,7 @@ void PFXStoreApi::getInventory() {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXStoreApi::getInventoryCallback);
     connect(this, &PFXStoreApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -403,6 +405,7 @@ void PFXStoreApi::getOrderById(const qint64 &order_id) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXStoreApi::getOrderByIdCallback);
     connect(this, &PFXStoreApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -477,6 +480,7 @@ void PFXStoreApi::placeOrder(const PFXOrder &pfx_order) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXStoreApi::placeOrderCallback);
     connect(this, &PFXStoreApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
diff --git a/samples/client/petstore/cpp-qt/client/PFXStoreApi.h b/samples/client/petstore/cpp-qt/client/PFXStoreApi.h
index a9ac689d36d0..0966e3f00d6c 100644
--- a/samples/client/petstore/cpp-qt/client/PFXStoreApi.h
+++ b/samples/client/petstore/cpp-qt/client/PFXStoreApi.h
@@ -110,6 +110,7 @@ class PFXStoreApi : public QObject {
     void getOrderByIdSignal(PFXOrder summary);
     void placeOrderSignal(PFXOrder summary);
 
+
     void deleteOrderSignalFull(PFXHttpRequestWorker *worker);
     void getInventorySignalFull(PFXHttpRequestWorker *worker, QMap<QString, qint32> summary);
     void getOrderByIdSignalFull(PFXHttpRequestWorker *worker, PFXOrder summary);
diff --git a/samples/client/petstore/cpp-qt/client/PFXUserApi.cpp b/samples/client/petstore/cpp-qt/client/PFXUserApi.cpp
index d404aeb17694..560da635bf00 100644
--- a/samples/client/petstore/cpp-qt/client/PFXUserApi.cpp
+++ b/samples/client/petstore/cpp-qt/client/PFXUserApi.cpp
@@ -238,6 +238,7 @@ void PFXUserApi::createUser(const PFXUser &pfx_user) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXUserApi::createUserCallback);
     connect(this, &PFXUserApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -310,6 +311,7 @@ void PFXUserApi::createUsersWithArrayInput(const QList<PFXUser> &pfx_user) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXUserApi::createUsersWithArrayInputCallback);
     connect(this, &PFXUserApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -382,6 +384,7 @@ void PFXUserApi::createUsersWithListInput(const QList<PFXUser> &pfx_user) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXUserApi::createUsersWithListInputCallback);
     connect(this, &PFXUserApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -464,6 +467,7 @@ void PFXUserApi::deleteUser(const QString &username) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXUserApi::deleteUserCallback);
     connect(this, &PFXUserApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -546,6 +550,7 @@ void PFXUserApi::getUserByName(const QString &username) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXUserApi::getUserByNameCallback);
     connect(this, &PFXUserApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -646,6 +651,7 @@ void PFXUserApi::loginUser(const QString &username, const QString &password) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXUserApi::loginUserCallback);
     connect(this, &PFXUserApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -716,6 +722,7 @@ void PFXUserApi::logoutUser() {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXUserApi::logoutUserCallback);
     connect(this, &PFXUserApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
@@ -803,6 +810,7 @@ void PFXUserApi::updateUser(const QString &username, const PFXUser &pfx_user) {
         input.headers.insert(keyValueIt->first, keyValueIt->second);
     }
 
+
     connect(worker, &PFXHttpRequestWorker::on_execution_finished, this, &PFXUserApi::updateUserCallback);
     connect(this, &PFXUserApi::abortRequestsSignal, worker, &QObject::deleteLater);
     connect(worker, &QObject::destroyed, this, [this]() {
diff --git a/samples/client/petstore/cpp-qt/client/PFXUserApi.h b/samples/client/petstore/cpp-qt/client/PFXUserApi.h
index 552a683e142e..29bfe7159715 100644
--- a/samples/client/petstore/cpp-qt/client/PFXUserApi.h
+++ b/samples/client/petstore/cpp-qt/client/PFXUserApi.h
@@ -139,6 +139,7 @@ class PFXUserApi : public QObject {
     void logoutUserSignal();
     void updateUserSignal();
 
+
     void createUserSignalFull(PFXHttpRequestWorker *worker);
     void createUsersWithArrayInputSignalFull(PFXHttpRequestWorker *worker);
     void createUsersWithListInputSignalFull(PFXHttpRequestWorker *worker);