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ChemDraft 0.3.3

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@jgassens jgassens released this 12 Aug 16:45
· 364 commits to main since this release
v0.3.3
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Learn about vigilant mode.

Charge marks, electron-pushing mechanism arrows, and a Copy As menu for chemistry formats.

  • Charge marks: anions and cations are now movable marks that associate with the nearest atom — place one from the charge dropdown and the atom takes the charge; drag the mark away and the atom reverts to its neutral valence instead of showing a stuck error. Marks ride along when their molecule is dragged, rotated, flipped, or scaled, so a repositioned structure keeps its chemistry.
  • Mechanism arrows: ChemDraw-style electron-pushing arrows (full- and half-headed) that anchor to atoms or charge marks and gain one or two Bézier handles by length. They replace the old rotate-into-circle curved arrows.
  • Symbol tools: charge, radical-dot, and lone-pair tools live behind one dropdown, matching the ChemDraw palette.
  • Atom relabel: the text tool can relabel an existing atom — hover, click, type the element, then Enter or click off.
  • Copy As: a new submenu in the Edit menu and the object right-click for SMILES, InChI, InChI Key, CDXML, MOL V2000/V3000, SVG, and PNG. PNG copies render at 4× with embedded 384 dpi density metadata, so they paste at the drawn size instead of oversized; SVG copies paste as real vector art in Illustrator instead of raw markup.
  • Clipboard fixes: structure paste no longer corrupts the desktop clipboard, right-click no longer collapses a multi-object selection, and scoped copies keep their charges and mechanism arrows with unwarped arrow geometry.

Automatic updates are delivered via Sparkle (File ▸ Check for Updates…).

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