diff -Nru nomacs-3.17.2282+dfsg/debian/changelog nomacs-3.17.2282+dfsg/debian/changelog
--- nomacs-3.17.2282+dfsg/debian/changelog	2023-09-06 15:10:36.000000000 +0100
+++ nomacs-3.17.2282+dfsg/debian/changelog	2024-11-03 12:51:33.000000000 +0000
@@ -1,3 +1,10 @@
+nomacs (3.17.2282+dfsg-2.1) UNRELEASED; urgency=medium
+
+  * Non-maintainer upload.
+  * Fix FTBFS with libexiv2-28.
+
+ -- Sudip Mukherjee <sudipm.mukherjee@gmail.com>  Sun, 03 Nov 2024 12:51:33 +0000
+
 nomacs (3.17.2282+dfsg-2) unstable; urgency=medium
 
   * Change team email to <team+lxqt@tracker.debian.org>
diff -Nru nomacs-3.17.2282+dfsg/debian/patches/0002-avoid-autoptr.patch nomacs-3.17.2282+dfsg/debian/patches/0002-avoid-autoptr.patch
--- nomacs-3.17.2282+dfsg/debian/patches/0002-avoid-autoptr.patch	1970-01-01 01:00:00.000000000 +0100
+++ nomacs-3.17.2282+dfsg/debian/patches/0002-avoid-autoptr.patch	2024-11-03 12:51:33.000000000 +0000
@@ -0,0 +1,173 @@
+Description: Avoid AutoPtr in metadata code
+
+Origin: upstream, https://github.com/nomacs/nomacs/commit/2faa57d6cd5f35408e5cf9579e7b1638554f0042
+Bug-Debian: https://bugs.debian.org/1081086
+Last-Update: 2024-11-03
+---
+
+--- nomacs-3.17.2282+dfsg.orig/ImageLounge/src/DkCore/DkMetaData.cpp
++++ nomacs-3.17.2282+dfsg/ImageLounge/src/DkCore/DkMetaData.cpp
+@@ -114,8 +114,7 @@ void DkMetaDataT::readMetaData(const QSt
+             std::string strFilePath = (fileInfo.isSymLink()) ? fileInfo.symLinkTarget().toStdString() : filePath.toStdString();
+             mExifImg = Exiv2::ImageFactory::open(strFilePath);
+         } else {
+-            Exiv2::BasicIo::AutoPtr exifBuffer(new Exiv2::MemIo((const byte *)ba->constData(), ba->size()));
+-            mExifImg = Exiv2::ImageFactory::open(exifBuffer);
++            mExifImg = Exiv2::ImageFactory::open(reinterpret_cast<const byte *>(ba->constData()), ba->size());
+         }
+     } catch (...) {
+         // TODO: check crashes here
+@@ -217,13 +216,11 @@ bool DkMetaDataT::saveMetaData(QSharedPo
+     Exiv2::XmpData &xmpData = mExifImg->xmpData();
+     Exiv2::IptcData &iptcData = mExifImg->iptcData();
+ 
+-    Exiv2::Image::AutoPtr exifImgN;
+-    Exiv2::MemIo::AutoPtr exifMem;
++    std::unique_ptr<Exiv2::Image> exifImgN;
+ 
+     try {
+         // Load new exif object (based on byte array of raw image file, see overload)
+-        exifMem = Exiv2::MemIo::AutoPtr(new Exiv2::MemIo((byte *)ba->data(), ba->size()));
+-        exifImgN = Exiv2::ImageFactory::open(exifMem);
++        exifImgN = Exiv2::ImageFactory::open(reinterpret_cast<const byte *>(ba->constData()), ba->size());
+     } catch (...) {
+         qDebug() << "could not open image for exif data";
+         return false;
+@@ -257,7 +254,7 @@ bool DkMetaDataT::saveMetaData(QSharedPo
+         return false;
+ 
+     // Replace old exif object with new one and clear "dirty" flag
+-    mExifImg = exifImgN;
++    mExifImg.swap(exifImgN);
+     mExifState = loaded;
+ 
+     return true;
+@@ -304,7 +301,7 @@ int DkMetaDataT::getOrientationDegree()
+             Exiv2::ExifData::iterator pos = exifData.findKey(key);
+ 
+             if (pos != exifData.end() && pos->count() != 0) {
+-                Exiv2::Value::AutoPtr v = pos->getValue();
++                auto v = pos->getValue();
+                 orientation = (int)pos->toFloat();
+ 
+                 switch (orientation) {
+@@ -384,7 +381,7 @@ int DkMetaDataT::getRating() const
+         Exiv2::ExifData::iterator pos = exifData.findKey(key);
+ 
+         if (pos != exifData.end() && pos->count() != 0) {
+-            Exiv2::Value::AutoPtr v = pos->getValue();
++            auto v = pos->getValue();
+             exifRating = v->toFloat();
+         }
+     }
+@@ -396,7 +393,7 @@ int DkMetaDataT::getRating() const
+ 
+         // xmp Rating tag
+         if (pos != xmpData.end() && pos->count() != 0) {
+-            Exiv2::Value::AutoPtr v = pos->getValue();
++            auto v = pos->getValue();
+             xmpRating = v->toFloat();
+         }
+ 
+@@ -405,7 +402,7 @@ int DkMetaDataT::getRating() const
+             key = Exiv2::XmpKey("Xmp.MicrosoftPhoto.Rating");
+             pos = xmpData.findKey(key);
+             if (pos != xmpData.end() && pos->count() != 0) {
+-                Exiv2::Value::AutoPtr v = pos->getValue();
++                auto v = pos->getValue();
+                 xmpRating = v->toFloat();
+             }
+         }
+@@ -505,7 +502,7 @@ QString DkMetaDataT::getXmpValue(const Q
+         }
+ 
+         if (pos != xmpData.end() && pos->count() != 0) {
+-            Exiv2::Value::AutoPtr v = pos->getValue();
++            auto v = pos->getValue();
+             info = exiv2ToQString(pos->toString());
+         }
+     }
+@@ -573,7 +570,7 @@ QString DkMetaDataT::getIptcValue(const
+         }
+ 
+         if (pos != iptcData.end() && pos->count() != 0) {
+-            Exiv2::Value::AutoPtr v = pos->getValue();
++            auto v = pos->getValue();
+             info = exiv2ToQString(pos->toString());
+         }
+     }
+@@ -994,8 +991,7 @@ void DkMetaDataT::setThumbnail(QImage th
+ 
+         try {
+             // whipe all exif data of the thumbnail
+-            Exiv2::MemIo::AutoPtr exifBufferThumb(new Exiv2::MemIo((const byte *)ba.constData(), ba.size()));
+-            Exiv2::Image::AutoPtr exifImgThumb = Exiv2::ImageFactory::open(exifBufferThumb);
++            auto exifImgThumb = Exiv2::ImageFactory::open(reinterpret_cast<const byte *>(ba.constData()), ba.size());
+ 
+             if (exifImgThumb.get() != 0 && exifImgThumb->good())
+                 exifImgThumb->clearExifData();
+@@ -1106,12 +1102,12 @@ void DkMetaDataT::setOrientation(int o)
+         pos = exifData.findKey(key);
+     }
+ 
+-    Exiv2::Value::AutoPtr v = pos->getValue();
++    auto v = pos->getValue();
+     Exiv2::UShortValue *prv = dynamic_cast<Exiv2::UShortValue *>(v.release());
+     if (!prv)
+         return;
+ 
+-    Exiv2::UShortValue::AutoPtr rv = Exiv2::UShortValue::AutoPtr(prv);
++    std::unique_ptr<Exiv2::UShortValue> rv(prv);
+     if (rv->value_.empty())
+         return;
+ 
+@@ -1202,7 +1198,7 @@ void DkMetaDataT::setRating(int r)
+         exifData["Exif.Image.Rating"] = uint16_t(r);
+         exifData["Exif.Image.RatingPercent"] = uint16_t(r);
+ 
+-        Exiv2::Value::AutoPtr v = Exiv2::Value::create(Exiv2::xmpText);
++        auto v = Exiv2::Value::create(Exiv2::xmpText);
+         v->read(sRating);
+         xmpData.add(Exiv2::XmpKey("Xmp.xmp.Rating"), v.get());
+         v->read(sRatingPercent);
+@@ -1448,9 +1444,9 @@ DkRotatingRect DkMetaDataT::getXMPRect(c
+     return DkRotatingRect(rr);
+ }
+ 
+-Exiv2::Image::AutoPtr DkMetaDataT::loadSidecar(const QString &filePath) const
++std::unique_ptr<Exiv2::Image> DkMetaDataT::loadSidecar(const QString &filePath) const
+ {
+-    Exiv2::Image::AutoPtr xmpImg;
++    std::unique_ptr<Exiv2::Image> xmpImg;
+ 
+     // TODO: check if the file type supports xmp
+ 
+@@ -1500,7 +1496,7 @@ bool DkMetaDataT::setXMPValue(Exiv2::Xmp
+         if (!pos->setValue(xmpValue.toStdString()))
+             setXMPValueSuccessful = true;
+     } else {
+-        Exiv2::Value::AutoPtr v = Exiv2::Value::create(Exiv2::xmpText);
++        auto v = Exiv2::Value::create(Exiv2::xmpText);
+         if (!v->read(xmpValue.toStdString())) {
+             if (!xmpData.add(Exiv2::XmpKey(key), v.get()))
+                 setXMPValueSuccessful = true;
+--- nomacs-3.17.2282+dfsg.orig/ImageLounge/src/DkCore/DkMetaData.h
++++ nomacs-3.17.2282+dfsg/ImageLounge/src/DkCore/DkMetaData.h
+@@ -155,7 +155,7 @@ public:
+     bool setXMPValue(Exiv2::XmpData &xmpData, QString xmpKey, QString xmpValue);
+ 
+ protected:
+-    Exiv2::Image::AutoPtr loadSidecar(const QString &filePath) const;
++    std::unique_ptr<Exiv2::Image> loadSidecar(const QString &filePath) const;
+ 
+     enum {
+         not_loaded,
+@@ -164,7 +164,7 @@ protected:
+         dirty,
+     };
+ 
+-    Exiv2::Image::AutoPtr mExifImg; // TODO std::unique_ptr<Exiv2::Image> (and all other *::AutoPtr)
++    std::unique_ptr<Exiv2::Image> mExifImg;
+     QString mFilePath;
+     QStringList mQtKeys;
+     QStringList mQtValues;
diff -Nru nomacs-3.17.2282+dfsg/debian/patches/0003-allow-building-with-exiv2.patch nomacs-3.17.2282+dfsg/debian/patches/0003-allow-building-with-exiv2.patch
--- nomacs-3.17.2282+dfsg/debian/patches/0003-allow-building-with-exiv2.patch	1970-01-01 01:00:00.000000000 +0100
+++ nomacs-3.17.2282+dfsg/debian/patches/0003-allow-building-with-exiv2.patch	2024-11-03 12:51:33.000000000 +0000
@@ -0,0 +1,48 @@
+Description: Allow builing with Exiv2 0.28.0
+
+Origin: upstream, https://github.com/nomacs/nomacs/commit/247ff3c5140e414a180f3b27d2bcf9791131e0cd
+Bug-Debian: https://bugs.debian.org/1081086
+Last-Update: 2024-11-03
+---
+
+--- nomacs-3.17.2282+dfsg.orig/ImageLounge/src/DkCore/DkMetaData.cpp
++++ nomacs-3.17.2282+dfsg/ImageLounge/src/DkCore/DkMetaData.cpp
+@@ -69,8 +69,7 @@ QSharedPointer<DkMetaDataT> DkMetaDataT:
+         // ImageFactory::create(type) may crash even if old Image object has that type
+         try {
+             // Load new Exiv2::Image object
+-            int i_type = mExifImg->imageType();
+-            metaDataN->mExifImg = Exiv2::ImageFactory::create(i_type);
++            metaDataN->mExifImg = Exiv2::ImageFactory::create(mExifImg->imageType());
+             // Copy exif data from old object into new object
+             Exiv2::ExifData data = mExifImg->exifData();
+             metaDataN->mExifImg->setExifData(data); // explicit copy of list<Exifdatum>
+@@ -243,9 +242,13 @@ bool DkMetaDataT::saveMetaData(QSharedPo
+     // Copy image + new exif and return temporary object as byte array
+     // The calling function should then write it back to the file
+     Exiv2::DataBuf exifBuf = exifImgN->io().read((long)exifImgN->io().size());
++#if EXIV2_TEST_VERSION(0, 28, 0)
++    if (!exifBuf.empty()) {
++        QSharedPointer<QByteArray> tmp = QSharedPointer<QByteArray>(new QByteArray(reinterpret_cast<const char *>(exifBuf.c_data()), exifBuf.size()));
++#else
+     if (exifBuf.pData_) {
+-        QSharedPointer<QByteArray> tmp = QSharedPointer<QByteArray>(new QByteArray((const char *)exifBuf.pData_, exifBuf.size_));
+-
++        QSharedPointer<QByteArray> tmp = QSharedPointer<QByteArray>(new QByteArray(reinterpret_cast<const char *>(exifBuf.pData_), exifBuf.size_));
++#endif
+         if (tmp->size() > qRound(ba->size() * 0.5f))
+             ba = tmp;
+         else
+@@ -712,7 +715,11 @@ QImage DkMetaDataT::getThumbnail() const
+         Exiv2::ExifThumb thumb(exifData);
+         Exiv2::DataBuf buffer = thumb.copy();
+ 
+-        QByteArray ba = QByteArray((char *)buffer.pData_, buffer.size_);
++#if EXIV2_TEST_VERSION(0, 28, 0)
++        QByteArray ba = QByteArray(reinterpret_cast<const char *>(buffer.c_data()), buffer.size());
++#else
++        QByteArray ba = QByteArray(reinterpret_cast<const char *>(buffer.pData_), buffer.size_);
++#endif
+         qThumb.loadFromData(ba);
+     } catch (...) {
+         qDebug() << "Sorry, I could not load the thumb from the exif data...";
diff -Nru nomacs-3.17.2282+dfsg/debian/patches/series nomacs-3.17.2282+dfsg/debian/patches/series
--- nomacs-3.17.2282+dfsg/debian/patches/series	2023-09-05 19:45:42.000000000 +0100
+++ nomacs-3.17.2282+dfsg/debian/patches/series	2024-11-03 12:51:33.000000000 +0000
@@ -1 +1,3 @@
 0001-Return-dummy-treeish-in-git_tag.patch
+0002-avoid-autoptr.patch
+0003-allow-building-with-exiv2.patch