Release Date: 2020-05-20

• Support for Looking Glass Holographic Displays
• New pi_interactions command finds Pi-Pi and Pi-Cation interactions (A > find > pi-interactions)
• New WaterMap result presets (A > preset > WaterMap …)
• APBS Plugin: Support multi-state assemblies without splitting states
• APBS Plugin: Support for `–with-ph=6.0 –ph-calc-method=propka`
• MAE import: Consider `pdb_literal_names` setting
• Desmond virtual site handling improved (pseudo-atoms hidden by default, won’t affect polar contacts)

• Trajectories show states slider by default (even without a movie defined)
• load_traj: support netcdf format
• load_traj: support `selection` argument with all file formats

• Distinguish .ccp4 and .mrc extensions (respect file format differences regarding origin)
• Ignore N*START when loading MRC files with ORIGIN
• .map extension: auto-detect the format

• New distance mode 8 for distance to vdW ratio cutoff (for clashes)
• MMTF export: Consider `pdb_retain_ids` setting
• GLTF export (based on collada2gltf)
• New “header” command in PWG language (e.g. “header add Access-Control-Allow-Origin *”)
• New “internal_gui_name_color_mode” setting
• MPEG4 Movie export: Apply `movie_fps` setting to exported file

• Improved error handling with exceptions. Error messages are now captured in the exception instead of printed directly to standard out. E.g. a plugin could catch selection errors and handle them gracefully.
• New: cmd.rebond()
• New: cmd.get_capabilities()
• cmd.fit() et al.: raise on error
• Fix: cmd.get_bonds() state off by one
• Change: cmd.slice_new(): if the provided name is the same as a previously existing name of an object which is not a slice, the command will now result in an error.

• Restore “-V” launch argument for external GUI height
• macOS: “open” event opens new window

• Do not blacklist “nouveau” driver

• Eliminate selector word length limit
• Objects inside hidden groups flash in scene movie
• Handle “missing” CA atoms when building amino acids (fuse command)
• macOS: fix Zalman (byrow) stereo
• Windows: workaround for crashing legacy plugins on window resizing (https://bugs.python.org/issue40075)
• Fix secondary structure selection in builder wizard mode
• Fix crash with pseudoatom state=0
• Fix cmd.create(discrete=1) with multi-state input
• Fix cmd.select_list() with state>0
• Apply ignore_case more consistently

• Looking Glass:
  • Add mouse interactions
  • Add “Display > Looking Glass” toggle to hide the LG window
  • Set line_smooth=off for better performance
  • On Windows, handle display scaling >100%
  • Support changing background color (bg_color)
• mmCIF connect_mode=4: Ignore conflicting “_chem_comp_atom.alt_atom_id”
• Fix isomesh selection=all
• Fix isosurface ray_color_ramps regression (#115)
• Fix isosurface isolevel regression

• macOS: Fix linking in combination with conda-forge (#154)
• macOS DMG installer: Fix legacy plugin support (tk)
• Fix ffmpeg installation
• Fix mdelete on movie with no key frames (crash)
• Fix excessive memory usage with 'set surface_type, 2'