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The following plugin will create a new file, open the new file, write to it and then save. Even though the file is marked as not dirty, the tab indicate that it is dirty and trying to close the file prompt the save dialog.

import sublime, sublime_plugin
target = None
def insert_world(view):
    edit = view.begin_edit()
    view.insert(edit, 0, "Hello world!")
    view.end_edit(edit)
    view.run_command('save')
    print view.is_dirty() # print False
class SaveStillDirtyBugListener(sublime_plugin.EventListener):
    def on_load(self, view):
        global target
        if target is None:
            return
        if view.file_name() == target.file_name():
            insert_world(view)
            target = None
class SaveStillDirtyBugCommand(sublime_plugin.TextCommand):
    def run(self, edit):
        with open('test', 'w+') as test:
            test.close()
        view = self.view.window().open_file('test')
        if view.is_loading():
            global target
            target = view
        else:
            insert_world(view)

ST ignores Shift + F10, it is standard for opening context menu in other applications and Windows in general.

When you view/invoke the side bar in Sublime Text 2, the width of the window stays constant—the side bar appears on the left, code in the middle and the mini-map on the right. This usually “squishes” the code view…

It would be nice if there was a way to keep the code and mini-map locked to a specific width and force the window to grow wider when you invoke the side bar. Displaying it as a "drawer" is not really necessary, but making the window expand is mainly what I am suggesting.