Release Date: 2021-05-10

• Multi-level undo/redo for all PyMOL actions
• MAE import: more ribbon styles and label improvements
• MAE import dialog: discrete states support
• Builder: Nucleotides from the PDB can now be extended
• APBS plugin: PDB2PQR 3 compatibility
• STL export: average normals when exporting
• `sphere_mode` s 10/11 scaled
• Builder: “Remove Residue” button added
• Load collada as CGO

• DX binary map import support (*dxbin)
• PDB/MMTF export: symmetry information now added
• Improved FASTA import
• Support for map.gz and mrc.gz extensions

• Builder: Improved fuse command (disallows hypervalent bonds, substitute monovalent atoms instead of attaching to them)
• Panel: Customizable Keyboard Shortcut Menu
• Panel: Properties inspector now supports unsetting settings with “Delete” key

• Ray interior colors now match primitives with `set ray_interior_color, atomic` 120
• Isomesh transparency support

• `sphere_mode` 5 removed (9 as replacement)
• Curved cartoon cylindrical helices `cartoon_cylindrical_helices=1` (previous =2) . #131
• Isosurface generation via marching cubes with setting `isosurface_algorithm, (0, 1)` (0 requires VTKm)

• Periodic boundary conditions supported in rebond, smooth, and intra_fit

• Python 2 support removed
• pbc argument added to rebond, smooth, and intra_fit
• png(None) returns bytes
• scene_order() allows list for `names`
• pbc_wrap() and pbc_unwrap added
• matrix_reset() supports `state=0` for all states
• editing_ring() added
• unset now restores the default value for global settings
• load_traj now uses state=1 by default
• get_area command and dots representation: Exclude “flag ignore” atoms

• Fix align and related commands output regression
• Fix crash when moving labels on MacOS
• Fix quiet argument for png

• Fix gromacs file reading
• Fix movie slider not appearing upon reinitialize
• Fix debug asserts being fired on Macs

• Fix workspace disappearing on specific display resolutions
• Fix pair_fit crash while undo is active
• Fix movie commands referencing out-of-bound frames
• Fix repeating builder undo warning message
• Fix command name sometimes not appearing in undo menu
• Fix guide selector bug (submitted by Thomas Holder)
• Fetch path blacklisted (submitted by Thomas Holder)
• Fix small-value-included CGOs sometimes not appearing
• Fix builder crash occurring when sometimes attempting to add residue internally

• Fix grid_mode not working in batch mode
• Fix stalling when creating a program
• Fix quiet argument for cif file loads

• Fix set_name throwing error on success
• Fix crash when loading discrete object
• Fix TypeError for Lighting Plugin (later Python versions)
• Fix Build Residues not working from menu

• Fix quiet argument not working on `load_coordset`
• Fix quiet argument not working in `scene`
• Fix crash in `find_molfile_plugin` (submitted by Thomas Holder)
• Fix GIL for `object_ttt` and related functions (submitted by Thomas Holder)

• Update RCSB URLs
• Fix multiple undo not restoring `delete all`

• Electrostatic demo periodically crashing on Windows
• 3Dconnexion connection no longer working
• Ability to disable undo in pymolrc
• conda commands not working in PyMOL