diff --git a/rtengine/iccstore.cc b/rtengine/iccstore.cc
index 9d7024bff..6b2be1713 100644
--- a/rtengine/iccstore.cc
+++ b/rtengine/iccstore.cc
@@ -635,7 +635,7 @@ public:
 
         MyMutex::MyLock lock(mutex);
 
-        for (const auto profile : fileProfiles) {
+        for (const auto& profile : fileProfiles) {
             if (
                 (
                     type == ICCStore::ProfileType::MONITOR
diff --git a/rtengine/ipwavelet.cc b/rtengine/ipwavelet.cc
index 9034768b5..df2a46dc8 100644
--- a/rtengine/ipwavelet.cc
+++ b/rtengine/ipwavelet.cc
@@ -1846,8 +1846,8 @@ void ImProcFunctions::WaveletcontAllL(LabImage * labco, float ** varhue, float *
             WavCoeffs_L0[i] = aft[i];
         }
 
-        delete bef;
-        delete aft;
+        delete[] bef;
+        delete[] aft;
     }
 //
 #ifdef _OPENMP
@@ -2074,8 +2074,8 @@ void ImProcFunctions::WaveletcontAllL(LabImage * labco, float ** varhue, float *
                         WavCoeffs_L[dir][co] = aft[co];
                     }
 
-                    delete bef;
-                    delete aft;
+                    delete[] bef;
+                    delete[] aft;
                 }
             }
         }
@@ -2292,8 +2292,8 @@ void ImProcFunctions::WaveletcontAllAB(LabImage * labco, float ** varhue, float
             WavCoeffs_ab0[i] = aft[i];
         }
 
-        delete bef;
-        delete aft;
+        delete[] bef;
+        delete[] aft;
     }
 
 
@@ -2375,8 +2375,8 @@ void ImProcFunctions::WaveletcontAllAB(LabImage * labco, float ** varhue, float
                         WavCoeffs_ab[dir][co] = aft[co];
                     }
 
-                    delete bef;
-                    delete aft;
+                    delete[] bef;
+                    delete[] aft;
                 }
 
 
diff --git a/rtgui/editorpanel.cc b/rtgui/editorpanel.cc
index 7fd93cdad..cc095d720 100644
--- a/rtgui/editorpanel.cc
+++ b/rtgui/editorpanel.cc
@@ -172,7 +172,7 @@ private:
 
         const std::vector<Glib::ustring> profiles = rtengine::ICCStore::getInstance()->getProfiles (rtengine::ICCStore::ProfileType::MONITOR);
 
-        for (const auto profile : profiles) {
+        for (const auto& profile : profiles) {
             profileBox.append (profile);
         }
 
diff --git a/rtgui/preferences.cc b/rtgui/preferences.cc
index 161e6ce3d..c283fb824 100644
--- a/rtgui/preferences.cc
+++ b/rtgui/preferences.cc
@@ -782,7 +782,7 @@ Gtk::Widget* Preferences::getColorManPanel ()
 
     const std::vector<Glib::ustring> profiles = rtengine::ICCStore::getInstance()->getProfiles(rtengine::ICCStore::ProfileType::MONITOR);
 
-    for (const auto profile : profiles) {
+    for (const auto& profile : profiles) {
         if (profile.find("file:") != 0) {
             std::string fileis_RTv4 = profile.substr(0, 4);
 
@@ -851,7 +851,7 @@ Gtk::Widget* Preferences::getColorManPanel ()
 
     const std::vector<Glib::ustring> prtprofiles = rtengine::ICCStore::getInstance()->getProfiles(rtengine::ICCStore::ProfileType::PRINTER);
 
-    for (const auto prtprofile : prtprofiles) {
+    for (const auto& prtprofile : prtprofiles) {
         prtProfile->append(prtprofile);
     }
 
diff --git a/rtgui/profilestorecombobox.cc b/rtgui/profilestorecombobox.cc
index bb294189f..a6085e7a9 100644
--- a/rtgui/profilestorecombobox.cc
+++ b/rtgui/profilestorecombobox.cc
@@ -182,7 +182,7 @@ Gtk::TreeIter ProfileStoreComboBox::findRowFromEntry (const ProfileStoreEntry *p
 Gtk::TreeIter ProfileStoreComboBox::findRowFromFullPath_ (Gtk::TreeModel::Children childs, int parentFolderId, const Glib::ustring &name) const
 {
 
-    for (const auto iter : childs) {
+    for (const auto& iter : childs) {
         const Gtk::TreeModel::Row row = *iter;
         // Hombre: is there a smarter way of knowing if this row has childs?
         const ProfileStoreEntry *pse = row[methodColumns.profileStoreEntry];
@@ -309,7 +309,7 @@ Gtk::TreeIter ProfileStoreComboBox::getRowFromLabel (const Glib::ustring &name)
     const Gtk::TreeModel::Children childs = refTreeModel->children();
 
     if (!name.empty()) {
-        for (const auto iter : childs) {
+        for (const auto& iter : childs) {
             const Gtk::TreeModel::Row currRow = *iter;
             const ProfileStoreEntry *pse = currRow[methodColumns.profileStoreEntry];
 
diff --git a/rtgui/wavelet.cc b/rtgui/wavelet.cc
index 89e05346a..5d2de1a02 100644
--- a/rtgui/wavelet.cc
+++ b/rtgui/wavelet.cc
@@ -90,7 +90,7 @@ Wavelet::Wavelet() :
     reschro(Gtk::manage(new Adjuster(M("TP_WAVELET_RESCHRO"), -100, 100, 1, 0))),
     resblur(Gtk::manage(new Adjuster(M("TP_WAVELET_RESBLUR"), 0, 100, 1, 0))),
     resblurc(Gtk::manage(new Adjuster(M("TP_WAVELET_RESBLURC"), 0, 100, 1, 0))),
-    bluwav(Gtk::manage(new Adjuster(M("TP_WAVELET_BLUWAV"), 0.05, 2.5, 0.5, 50.))),
+    bluwav(Gtk::manage(new Adjuster(M("TP_WAVELET_BLUWAV"), 0.05, 2.5, 0.5, 1.))),
     tmrs(Gtk::manage(new Adjuster(M("TP_WAVELET_TMSTRENGTH"), -1.0, 2.0, 0.01, 0.0))),
     edgs(Gtk::manage(new Adjuster(M("TP_WAVELET_TMEDGS"), 0.1, 4.0, 0.01, 1.4))),
     scale(Gtk::manage(new Adjuster(M("TP_WAVELET_TMSCALE"), 0.1, 10.0, 0.01, 1.0))),