Terminal features

• SUB and CAN controls terminate ESC sequences and are displayed (DEC, xterm 397).
• LAM/ALEF single-cell joining mode (DECSET 2521).
• Arabic joining considers ZWJ and ZWNJ formatters.
• Fix graphics (image/sixel) and emoji display to adapt to horizontal scrolling.
• Fix mouse position click coordinates to adapt to horizontal scrolling.
• Fix reflow to avoid vanishing graphics on terminal resizing.
• Changed image size limit from 1MB to configurable value, default > 4MB.

Character rendering

• Fix overhang rendering for some characters, clipped in 3.7.7 (#1304).
• Optional single-cell rendering of Arabic LAM/ALEF ligatures.
• Revise background clearing to catch border cases (#1310).
• Option to center position of smaller glyphs in CJK ranges (#1313).

Keyboard handling

• Enforce Ctrl as held down (except with AltGr) (~#1266, ~#1273).

Window handling

• Fix frame adjustment when disabling darkmode.
• Display hair cross mouse pointer in pixel-grained mouse reporting modes.

Font configuration:

• Handle font metrics errors (#1309).

Configuration:

• New option ThemeDark to be used if Windows Darkmode is set (#1305, ~#1303).
• New glyph centering prefix ">" for option FontChoice (#1313).
• Propagate TERM config setting to WSL HOSTTERM variable (mintty/wsltty#290, ~mintty/wsltty#278).
• New option PixMousePointer.
• New option MaxImageSize.