More options in map display prefs panel.

Thing angle arrow options, to be precise.
Double-clicking a texture def entry will focus it.

When double-clicking a PNAMES, TEXTURE1, TEXTURE2, or TEXTURES entry, or
clicking on the "Edit Textures" button from this entry's default panel,
the texture editor will open or be selected as usual, but will also
select the proper tab. (One cannot believe how long this has bugged me.)