v4.2.6 for Blender 4.2

What's Changed

• Split double and triple bonds visually by @BradyAJohnston in #581
• fix error with importing a relative local file by @BradyAJohnston in #586
• Expose initial 'Group Pick' nodes by @BradyAJohnston in #587
• disable warning when loading with no MNSession by @BradyAJohnston in #588
• add check for online access when drawing panels by @BradyAJohnston in #590
• Fix nucleic base instancing when only backbone selected by @BradyAJohnston in #591
• bump upload artefact workflow by @BradyAJohnston in #592
• Fix sidechain hydrogen selection by @BradyAJohnston in #594
• Fix materials for starting starfile arrows by @BradyAJohnston in #595
• 585 build extension via gha by @BradyAJohnston in #597
• fix artefact upload by @BradyAJohnston in #599
• Refactor internals of Style Cartoon and Style Ribbon nodes by @BradyAJohnston in #603
• Change license to GPL-3.0 by @BradyAJohnston in #596
• Update Template File by @BradyAJohnston in #604
• Option to offset trajectory playback by @BradyAJohnston in #608
• Expose more nodes and refactor docs buildling by @BradyAJohnston in #605

Full Changelog: v4.2.5...v4.2.6