v1.43.0

• Enable interactive legend (#359)
• Improve transcript navigation, close popover on "Escape" (#358)
• Update to Ensembl 110 and GRCm39; refine protein colors (#357)
• Show signal peptides in protein diagrams (#356)
• Protein diagrams: show unfeatured regions, enlarge (#355)
• Illustrate membrane proteins (#353, #354)
• Clarify sequence features in protein diagrams (#352)
• Add mouse RNA and protein diagrams, update human protein diagrams (#351)
• Refine paralog neighborhoods (#350)
• Refine tooltips for splice toggle and isoform arrows (#349)
• Coarsen fruit fly chromosomes to fix cytoband issues (#348)
• Add Poplar assembly (#346)