diff --git a/src/app/memorychecker.cpp b/src/app/memorychecker.cpp
index 9b53042ac..24e7d2ecf 100644
--- a/src/app/memorychecker.cpp
+++ b/src/app/memorychecker.cpp
@@ -108,6 +108,17 @@ void MemoryChecker::sGetFreeKB(intKB& procFreeKB,
                   (task_info_t)&vm_info,
                   &vm_info_count) == KERN_SUCCESS) {
         bytes_in_use_by_app = vm_info.phys_footprint;
+    } else {
+        task_basic_info_data_t basic_info;
+        mach_msg_type_number_t basic_info_count = TASK_BASIC_INFO_COUNT;
+        if (task_info(mach_task_self(),
+                      TASK_BASIC_INFO,
+                      (task_info_t)&basic_info,
+                      &basic_info_count) == KERN_SUCCESS) {
+            bytes_in_use_by_app = basic_info.resident_size;
+        } else {
+            RuntimeThrow("Could not retrieve process memory usage");
+        }
     }
 #endif
 
diff --git a/src/core/Boxes/boundingbox.cpp b/src/core/Boxes/boundingbox.cpp
index 4da8ea0fd..fe65b6013 100644
--- a/src/core/Boxes/boundingbox.cpp
+++ b/src/core/Boxes/boundingbox.cpp
@@ -555,6 +555,9 @@ void BoundingBox::planUpdate(const UpdateReason reason) {
     if(reason == UpdateReason::userChange) {
         mStateId++;
         mRenderDataHandler.clear();
+        if(const auto canvas = enve_cast<Canvas*>(this)) {
+            canvas->invalidateSceneFramesCache();
+        }
     }
 
     mDrawRenderContainer.setExpired(true);
diff --git a/src/core/CacheHandlers/hddcachablecachehandler.h b/src/core/CacheHandlers/hddcachablecachehandler.h
index 33f1ebae6..a4698f44b 100644
--- a/src/core/CacheHandlers/hddcachablecachehandler.h
+++ b/src/core/CacheHandlers/hddcachablecachehandler.h
@@ -99,7 +99,7 @@ class CORE_EXPORT HddCachableCacheHandler {
     }
 
     auto begin() const { return mConts.begin(); }
-    auto end() const { return mConts.begin(); }
+    auto end() const { return mConts.end(); }
 private:
     RangeMap<stdsptr<Cont>> mConts;
     UsedRange mUsedRange;
diff --git a/src/core/CacheHandlers/hddcachablecont.cpp b/src/core/CacheHandlers/hddcachablecont.cpp
index 2b10587d3..c96fa90aa 100644
--- a/src/core/CacheHandlers/hddcachablecont.cpp
+++ b/src/core/CacheHandlers/hddcachablecont.cpp
@@ -49,6 +49,10 @@ eTask *HddCachableCont::scheduleDeleteTmpFile() {
 eTask *HddCachableCont::scheduleSaveToTmpFile() {
     if(mTmpSaveTask || mTmpFile) return nullptr;
     mTmpSaveTask = createTmpFileDataSaver();
+    if(!mTmpSaveTask) {
+        tmpFileSaveFailed();
+        return nullptr;
+    }
     mTmpSaveTask->queTask();
     return mTmpSaveTask.get();
 }
@@ -59,6 +63,10 @@ eTask *HddCachableCont::scheduleLoadFromTmpFile() {
     if(!mTmpSaveTask && !mTmpFile) return nullptr;
 
     mTmpLoadTask = createTmpFileDataLoader();
+    if(!mTmpLoadTask) {
+        tmpFileLoadFailed();
+        return nullptr;
+    }
     if(mTmpSaveTask)
         mTmpSaveTask->addDependent(mTmpLoadTask.get());
     mTmpLoadTask->queTask();
@@ -70,6 +78,16 @@ void HddCachableCont::setDataSavedToTmpFile(const qsptr<QTemporaryFile> &tmpFile
     mTmpFile = tmpFile;
 }
 
+void HddCachableCont::tmpFileSaveFailed() {
+    mTmpSaveTask.reset();
+    if(!mDataInMemory && !mTmpFile) noDataLeft_k();
+}
+
+void HddCachableCont::tmpFileLoadFailed() {
+    mTmpLoadTask.reset();
+    if(!mDataInMemory && !mTmpFile && !mTmpSaveTask) noDataLeft_k();
+}
+
 void HddCachableCont::afterDataLoadedFromTmpFile() {
     setDataInMemory(true);
     mTmpLoadTask.reset();
diff --git a/src/core/CacheHandlers/hddcachablecont.h b/src/core/CacheHandlers/hddcachablecont.h
index bb3194589..5efb40857 100644
--- a/src/core/CacheHandlers/hddcachablecont.h
+++ b/src/core/CacheHandlers/hddcachablecont.h
@@ -45,6 +45,8 @@ class CORE_EXPORT HddCachableCont : public CacheContainer {
     eTask* scheduleLoadFromTmpFile();
 
     void setDataSavedToTmpFile(const qsptr<QTemporaryFile> &tmpFile);
+    void tmpFileSaveFailed();
+    void tmpFileLoadFailed();
 
     bool storesDataInMemory() const { return mDataInMemory; }
     qsptr<QTemporaryFile> getTmpFile() const { return mTmpFile; }
diff --git a/src/core/CacheHandlers/imagecachecontainer.cpp b/src/core/CacheHandlers/imagecachecontainer.cpp
index e40491e30..545b44065 100644
--- a/src/core/CacheHandlers/imagecachecontainer.cpp
+++ b/src/core/CacheHandlers/imagecachecontainer.cpp
@@ -49,6 +49,10 @@ int ImageCacheContainer::getByteCount() {
 }
 
 void ImageCacheContainer::setDataLoadedFromTmpFile(const sk_sp<SkImage> &img) {
+    if(!img) {
+        tmpFileLoadFailed();
+        return;
+    }
     replaceImage(img);
     afterDataLoadedFromTmpFile();
 }
@@ -58,6 +62,7 @@ int ImageCacheContainer::clearMemory() {
 }
 
 stdsptr<eHddTask> ImageCacheContainer::createTmpFileDataSaver() {
+    if(!getImage()) return nullptr;
     return enve::make_shared<ImgSaver>(this, getImage());
 }
 
diff --git a/src/core/CacheHandlers/imagecachecontainer.h b/src/core/CacheHandlers/imagecachecontainer.h
index c62aae1f7..d1a702913 100644
--- a/src/core/CacheHandlers/imagecachecontainer.h
+++ b/src/core/CacheHandlers/imagecachecontainer.h
@@ -64,6 +64,7 @@ class CORE_EXPORT ImgSaver : public TmpSaver {
         TmpSaver(target), mImage(image) {}
 
     void write(eWriteStream& dst) {
+        if(!mImage) return;
         SkiaHelpers::writeImg(mImage, dst);
     }
 private:
diff --git a/src/core/CacheHandlers/soundcachecontainer.cpp b/src/core/CacheHandlers/soundcachecontainer.cpp
index a2483a275..b186fbe15 100644
--- a/src/core/CacheHandlers/soundcachecontainer.cpp
+++ b/src/core/CacheHandlers/soundcachecontainer.cpp
@@ -38,6 +38,7 @@ SoundCacheContainer::SoundCacheContainer(const stdsptr<Samples>& samples,
 }
 
 stdsptr<eHddTask> SoundCacheContainer::createTmpFileDataSaver() {
+    if(!mSamples) return nullptr;
     return enve::make_shared<SoundContainerTmpFileDataSaver>(mSamples, this);
 }
 
diff --git a/src/core/CacheHandlers/soundtmpfilehandlers.cpp b/src/core/CacheHandlers/soundtmpfilehandlers.cpp
index b175c6bed..13d0908d3 100644
--- a/src/core/CacheHandlers/soundtmpfilehandlers.cpp
+++ b/src/core/CacheHandlers/soundtmpfilehandlers.cpp
@@ -36,6 +36,10 @@ void SoundContainerTmpFileDataLoader::read(eReadStream& src) {
 }
 
 void SoundContainerTmpFileDataLoader::afterProcessing() {
+    if(!mSamples) {
+        if(mTarget) mTarget->tmpFileLoadFailed();
+        return;
+    }
     mTarget->setDataLoadedFromTmpFile(mSamples);
 }
 
@@ -45,5 +49,6 @@ SoundContainerTmpFileDataSaver::SoundContainerTmpFileDataSaver(
     TmpSaver(target), mSamples(samples) {}
 
 void SoundContainerTmpFileDataSaver::write(eWriteStream& dst) {
+    if(!mSamples) return;
     mSamples->write(dst);
 }
diff --git a/src/core/CacheHandlers/tmploader.cpp b/src/core/CacheHandlers/tmploader.cpp
index 77c42c8a0..ab63ae43a 100644
--- a/src/core/CacheHandlers/tmploader.cpp
+++ b/src/core/CacheHandlers/tmploader.cpp
@@ -30,7 +30,7 @@ TmpLoader::TmpLoader(const qsptr<QTemporaryFile> &file,
     mTmpFile(file), mTarget(target) {}
 
 void TmpLoader::process() {
-    if(!mTmpFile) return;
+    if(!mTmpFile) RuntimeThrow("Temporary cache file is missing.");
     if(mTmpFile->open()) {
         eReadStream src(mTmpFile.get());
         read(src);
diff --git a/src/core/CacheHandlers/tmpsaver.cpp b/src/core/CacheHandlers/tmpsaver.cpp
index 9799b876d..c4eb1ef8a 100644
--- a/src/core/CacheHandlers/tmpsaver.cpp
+++ b/src/core/CacheHandlers/tmpsaver.cpp
@@ -24,12 +24,18 @@
 // Fork of enve - Copyright (C) 2016-2020 Maurycy Liebner
 
 #include "tmpsaver.h"
+#include "appsupport.h"
+
+#include <QDir>
 
 TmpSaver::TmpSaver(HddCachableCont* const target) :
     mTarget(target) {}
 
 void TmpSaver::process() {
-    mTmpFile = qsptr<QTemporaryFile>(new QTemporaryFile());
+    QDir().mkpath(AppSupport::getAppTempPath());
+    const QString templ = AppSupport::getAppTempPath() +
+                          "/friction-cache-XXXXXX.tmp";
+    mTmpFile = qsptr<QTemporaryFile>(new QTemporaryFile(templ));
     if(mTmpFile->open()) {
         eWriteStream dst(mTmpFile.get());
         write(dst);
@@ -42,6 +48,13 @@ void TmpSaver::process() {
 
 void TmpSaver::afterProcessing() {
     if(!mTarget) return;
-    if(!mSavingSuccessful) return;
+    if(!mSavingSuccessful) {
+        mTarget->tmpFileSaveFailed();
+        return;
+    }
     mTarget->setDataSavedToTmpFile(mTmpFile);
 }
+
+void TmpSaver::afterCanceled() {
+    if(mTarget) mTarget->tmpFileSaveFailed();
+}
diff --git a/src/core/CacheHandlers/tmpsaver.h b/src/core/CacheHandlers/tmpsaver.h
index acebce5a5..480619b18 100644
--- a/src/core/CacheHandlers/tmpsaver.h
+++ b/src/core/CacheHandlers/tmpsaver.h
@@ -41,6 +41,7 @@ class CORE_EXPORT TmpSaver : public eHddTask {
 
     void process();
     void afterProcessing();
+    void afterCanceled();
 private:
     const stdptr<HddCachableCont> mTarget;
     bool mSavingSuccessful = false;
diff --git a/src/core/canvas.cpp b/src/core/canvas.cpp
index f6e587c51..197bfa9c3 100644
--- a/src/core/canvas.cpp
+++ b/src/core/canvas.cpp
@@ -125,11 +125,21 @@ qreal Canvas::getResolution() const
 
 void Canvas::setResolution(const qreal percent)
 {
+    if(isZero6Dec(mResolution - percent)) return;
     mResolution = percent;
+    invalidateSceneFramesCache();
     prp_afterWholeInfluenceRangeChanged();
     updateAllBoxes(UpdateReason::userChange);
 }
 
+void Canvas::invalidateSceneFramesCache()
+{
+    mSceneFrame.reset();
+    mLoadingSceneFrame.reset();
+    mSceneFrameOutdated = true;
+    mSceneFramesHandler.clear();
+}
+
 void Canvas::setCurrentGroupParentAsCurrentGroup()
 {
     setCurrentBoxesGroup(mCurrentContainer->getParentGroup());
diff --git a/src/core/canvas.h b/src/core/canvas.h
index 6bdeb5c6c..490818883 100644
--- a/src/core/canvas.h
+++ b/src/core/canvas.h
@@ -192,6 +192,7 @@ class CORE_EXPORT Canvas : public CanvasBase
     void setWorldToScreen(const QTransform& transform,
                           qreal devicePixelRatio);
     void setResolution(const qreal percent);
+    void invalidateSceneFramesCache();
 
     void applyCurrentTransformToSelected();
     QPointF getSelectedPointsAbsPivotPos();
diff --git a/src/core/videoencoder.cpp b/src/core/videoencoder.cpp
index e65177f6c..c2b52f5a4 100644
--- a/src/core/videoencoder.cpp
+++ b/src/core/videoencoder.cpp
@@ -276,16 +276,14 @@ static void addVideoStream(OutputStream * const ost,
 static AVFrame *getVideoFrame(OutputStream * const ost,
                               const sk_sp<SkImage> &image)
 {
-    AVCodecContext *c = ost->fCodec;
+    if(!image) RuntimeThrow("Missing image for video frame");
 
-    if (c->width != image->width() || c->height != image->height()) {
-        RuntimeThrow("Image size don't match codec size");
-    }
+    AVCodecContext *c = ost->fCodec;
 
     /* rely on cache manager to produce fSwsCtx if it hasn't already
      * been produced. */
     ost->fSwsCtx = sws_getCachedContext(ost->fSwsCtx,
-                                        c->width, c->height,
+                                        image->width(), image->height(),
                                         AV_PIX_FMT_RGBA,
                                         c->width, c->height,
                                         c->pix_fmt, SWS_BICUBIC,
@@ -297,7 +295,13 @@ static AVFrame *getVideoFrame(OutputStream * const ost,
     SkPixmap pixmap;
     SkBitmap unpremulBitmap;
 
-    image->peekPixels(&pixmap);
+    sk_sp<SkImage> rasterImage;
+    if(!image->peekPixels(&pixmap)) {
+        rasterImage = image->makeRasterImage();
+        if(!rasterImage || !rasterImage->peekPixels(&pixmap)) {
+            RuntimeThrow("Could not peek image pixels");
+        }
+    }
 
     // check if we need to convert to "unpremultiplied"
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->pix_fmt);
@@ -323,12 +327,13 @@ static AVFrame *getVideoFrame(OutputStream * const ost,
     const uint8_t * const dstSk[] = {static_cast<uint8_t*>(pixmap.writable_addr())};
     int linesizesSk[4];
 
-    av_image_fill_linesizes(linesizesSk, AV_PIX_FMT_RGBA, image->width());
+    av_image_fill_linesizes(linesizesSk, AV_PIX_FMT_RGBA, pixmap.width());
+    linesizesSk[0] = static_cast<int>(pixmap.rowBytes());
     const int ret = av_frame_make_writable(ost->fDstFrame) ;
     if (ret < 0) { AV_RuntimeThrow(ret, "Could not make AVFrame writable") }
 
     sws_scale(ost->fSwsCtx, dstSk,
-              linesizesSk, 0, c->height,
+              linesizesSk, 0, pixmap.height(),
               ost->fDstFrame->data,
               ost->fDstFrame->linesize);