Thread:Support/Loss of script functionality

I am sorry, since few days, I am experiencing several problems which are not prohibitive to translating but make is almost worse than ever since I have been contributing here. A quick summary is, that several scrips partially stopped working. Reloading everything and clearing the browser cache does not help. Some details:
 * The "Introduction" link in the navbar is not hidden any more.
 * The JS editor window is few characters wide and 4 or 5 lines high each time initially. You can resize it, but you have to do that on each invocation and after every operation involving one of the buttons in it.
 * In the JS editor window, when you are editing a message, and you click one of the dots so as to e.g. correct a typo in a message shown in the translation memory field, the current JS edit window is replaced by a new JS edit window showing the message from the translation memory. The previous JS edit window including your edits are lost, and there is no way to get it back.
 * In the normal editor, clicking one of the special characters or pairs underneath the edit window does not have any effect any more.
 * In the normal editor, my personal edit buttons do not appear any more above the edit window.
 * On threaded talk pages, there is a menu "Versions, Edit, Delete ..." now in top-down orientation with one link per two lines, which had been in one line previously.
 * In threaded talk pages, in the menu mentioned above, the link "permalink" does not display a choice of two links (wikilink and URL) any more as it used to be, but rather shows the single message of the thread on its own.
 * In the [ statistic page], collapsing and expanding does not work any more.
 * The link to identical messages is not shown in /qqq any more, nor is the list.