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Release Notes

November 28 2023

  • Export image of the dotplot as a PNG file
  • Added an "undo" option to the ideogram navigation
  • Updated design for the chromosome "flip" button
  • Simplified right-click context menu options
  • Additional minor style and performance improvements

October 12 2023

  • Improved gene search using NCBI Datasets annotation tables
  • Performance improvements and bug fixes

September 11 2023

  • You can now use selector menus on the dotplot view to select and zoom to chromosomes in each assembly
  • Fixed a bug preventing visualization of the dotplot on Android mobile browser
  • Additional minor style improvements

August 2 2023

  • Updated navigation button panel for ideogram view including adding zoom in/out and pan buttons
  • Added access to Genome Data Viewer (GDV) to the ideogram view navigation button panel
  • Add option to zoom to the alignment from the alignment information popup
  • Additional minor improvements and bug fixes

June 23 2023

  • Loading indicator added to dotplot view
  • Additional minor improvements and bug fixes

May 25 2023

  • Exon-intron structure of genes is displayed upon zooming near the gene
  • Improved behavior of in-context hints on the ideogram widget
  • Added the ability to zoom by dragging over the gene density histogram
  • New dotplot view is available
  • Alignment connectors are shown even when one end of the alignment is offscreen
  • Fixed a bug that prevented you from going to a previous view using the web browser back button
  • Additional minor improvements and bug fixes

April 2023

  • You can flip the orientation of a chromosome to better evaluate gene synteny in regions that are inverted in one assembly relative to another

March 2023

  • You can download the FASTA alignment file for an alignment segment via the right-click menu
  • You can open the pairwise alignment in the NCBI MSA viewer via the right-click menu
  • You can also open a panel that shows a preview of the alignment sequence
  • Genome Data Viewer (GDV) opened from the right-click menu will zoom to the same coordinates as shown in CGV
  • We improved the order of organisms in the selection menu on the CGV home page
  • Made improvements to page accessibility and rendering on mobile devices
  • Lots of animal cross-species alignments added
  • Additional small improvements and bug fixes

January 2023

  • New visual style for alignments including "twist" for reverse alignments
  • Forward and reverse alignments are colored distinctly (green and purple)
  • New filtering option to view only forward or reverse alignments
  • You can now click on annotated gene to zoom to the region in the alignment
  • Added more in-context hints
  • Additional style tweaks

December 2022

  • New ability to search for genes in the viewer
  • You can now adjust the font size of labels and other text in the viewer
  • Downloaded SVG image can be edited in a wider range of image editors
  • Additional bug fixes and style tweaks

October 2022

  • You can download an SVG image of the view you are looking at
  • The size of the alignment is now reported in the alignment information popover
  • Navigation, view, and download options added to the alignment context right-click menu
  • Some bug fixes and style updates

September 2022

  • You can switch your view to show all alignments, not just reciprocal best placed alignments
  • New Download menu for alignment data downloads
  • Style changes to assembly titles on viewer page
  • Style and behavior changes to alignment information popover
  • Style changes to block size slider

August 2022

  • Non-RefSeq assembly alignments are available
  • GDV genome browser sessions are now pre-configured to show assembly-assembly alignments as alignment and graph tracks
  • Updates to behavior of alignment selection menu

July 2022

  • CGV is released as beta! Enjoy!
Last updated:Tuesday November 28, 2023