Chem4Word 2026 - Release 14 (V3.3.16)

The main feature being implemented with this release is the ability to add Electrons, Lone Pairs and Electron Pushers.

Improvements and Enhancements

• UI: Improvements in how Molecular Weight can be rendered in a Word document
• UI: Added ability to auto-set atom electron configurations
• UI: Can now toggle between creating nascent bonds or pushing directly to an atom
• UI: Added ability to create Electron pushers (between Atoms or Bonds)
• UI: Added ability to create Electrons (on Atoms)
• UI: Editor now supports electron pushers
• UI: Added ability to right-click on an atom to add/remove electrons

Bug Fixes

• BugFix: Top Alignment of molecules and Annotations fixed
• BugFix: MOLFile Import map unknown Atoms to ?? pseudo functional group
• BugFix: Fixed Long standing bug in nRing drawing
• BugFix: Fix and Improve searching (ChEBI/PubChem/OPSIN)

Internal housekeeping

• Internal: Improved SQLite error handling
• Internal: Added code to ensure a valid search path for assembly SQLite.Interop.dll exists
• Internal: Updated to WiX 7
• Internal: Updated to .Net Framework 4.8
• Internal: Updated NuGet packages
• Internal: Updated to xUnit Test V3
• Internal: Performance improvement in OoXml renderer
• Internal: Fix xaml binding errors (in ACME)
• Internal: Refactor of generation of Concise Formula
• Internal: Added GetByPath function for key model objects