Open Recent, print sizes through an invalid resolution, Color Grading under Color (12.14b)

src/IO/RecentProjects.h

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+#pragma once
+#include <QObject>
+#include <QStringList>
+
+// Swift's RecentProjects: newest first, kept in QSettings.
+class RecentProjects : public QObject {
+    Q_OBJECT
+public:
+    static RecentProjects &shared();
+    // At most this many, as macOS keeps by default.
+    static constexpr int limit = 10;
+
+    // The projects that still exist, newest first.
+    const QStringList &paths() const { return m_paths; }
+    void note(const QString &path);
+    void clear();
+    // Drops the projects since moved or deleted.
+    void refresh();
+
+signals:
+    void changed();
+
+private:
+    RecentProjects();
+    void store(const QStringList &paths);
+
+    QStringList m_paths;
+};