# Top **URL:** https://discuss.avogadro.cc/top.md [Latest](https://discuss.avogadro.cc/latest.md) · [Categories](https://discuss.avogadro.cc/categories.md) --- ## [Plotting Conformer / Trajectory Energies](https://discuss.avogadro.cc/t/plotting-conformer-trajectory-energies/7214)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 30\ **Last updated:** [October 4, 2026, 9:06am UTC](https://discuss.avogadro.cc/t/plotting-conformer-trajectory-energies/7214 "2026-10-04T09:06:57Z")
Several people have asked about a plot for relative energies, etc. Here’s an example for an NEB trajectory. My idea is that this “Plot Conformers…” dialog would allow you to switch between RMSD or relative energies.… --- ## [Camera Controls with 3D Trackpad](https://discuss.avogadro.cc/t/camera-controls-with-3d-trackpad/7506)
**Author:** [@vhanzl](https://discuss.avogadro.cc/u/vhanzl)\ **Replies:** 38\ **Last updated:** [September 4, 2026, 1:04am UTC](https://discuss.avogadro.cc/t/camera-controls-with-3d-trackpad/7506 "2026-09-04T01:04:03Z")
I’d love to have some camera controls which work the same regardless of the current mode, even some awkward ones - this would make it possible to control the camera from outside at least by simulated keystrokes and/or mo… --- ## [Avogadro 2026 Survey Results](https://discuss.avogadro.cc/t/avogadro-2026-survey-results/7502)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 16\ **Last updated:** [August 25, 2026, 11:13am UTC](https://discuss.avogadro.cc/t/avogadro-2026-survey-results/7502 "2026-08-25T11:13:52Z")
A few weeks ago, I posted the 2026 Community Feedback Survey - and I’d like to start doing this annually. Thank you to the 49 50 of you who filled out the development survey. Several people wrote multi-paragraph answers… --- ## [Gaussian output not recognized](https://discuss.avogadro.cc/t/gaussian-output-not-recognized/7282)
**Author:** [@Nyama](https://discuss.avogadro.cc/u/Nyama)\ **Replies:** 27\ **Last updated:** [August 11, 2026, 4:49pm UTC](https://discuss.avogadro.cc/t/gaussian-output-not-recognized/7282 "2026-08-11T16:49:30Z")
Thank you for all your hard work developing Avogadro2. I believe this to be a bug with Avogadro: (Please describe your bug or issue) Environment Information Avogadro version: Avogadro2 1.102.1 Nightly Build Operating… --- ## [New Plugin Infrastructure](https://discuss.avogadro.cc/t/new-plugin-infrastructure/7336)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 21\ **Last updated:** [March 6, 2026, 10:45pm UTC](https://discuss.avogadro.cc/t/new-plugin-infrastructure/7336 "2026-03-06T22:45:38Z")
Thanks to plenty of help from @matterhorn103 and @brockdyer03 the current HEAD and continuous build should be mostly stable again. There are probably still bugs (just squashed one) - but you should be able to see plugin… --- ## [Automatic Download Button](https://discuss.avogadro.cc/t/automatic-download-button/7222)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 9\ **Last updated:** [November 11, 2025, 9:49pm UTC](https://discuss.avogadro.cc/t/automatic-download-button/7222 "2025-11-11T21:49:56Z")
I’ve been testing out some minimal JavaScript (and a Python script to format the GitHub release API) for the downloads. This should present something similar to the Blender download page – auto-detecting your OS and arc… --- ## [New Z-Matrix Editor](https://discuss.avogadro.cc/t/new-z-matrix-editor/7523)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 9\ **Last updated:** [September 21, 2026, 7:03am UTC](https://discuss.avogadro.cc/t/new-z-matrix-editor/7523 "2026-09-21T07:03:16Z")
There have been several requests for a z-matrix editor over the years. We had something for v1.0, but never shipped it because it didn’t feel right. (Part of the problem is the need to renumber atoms to make a coherent z… --- ## [Combined plugins & plugin list](https://discuss.avogadro.cc/t/combined-plugins-plugin-list/7225)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 23\ **Last updated:** [December 16, 2025, 10:08pm UTC](https://discuss.avogadro.cc/t/combined-plugins-plugin-list/7225 "2025-12-16T22:08:54Z")
For a bit @matterhorn103 has been outlining some ideas for “combined” plugins. For example, maybe you want the xtb plugin to provide: commands (e.g., generate some orbitals for me) energy scripts (e.g., add GFN-FF and … --- ## [Require installing all plugins including generators?](https://discuss.avogadro.cc/t/require-installing-all-plugins-including-generators/7310)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 21\ **Last updated:** [February 28, 2026, 1:24am UTC](https://discuss.avogadro.cc/t/require-installing-all-plugins-including-generators/7310 "2026-02-28T01:24:00Z")
In general, we’ve bundled the input generator scripts with the main release - because they’re one of the most common features. On the other hand, if you don’t have Python installed or configured, they won’t show up. It’… --- ## [Plugin feature names and categories](https://discuss.avogadro.cc/t/plugin-feature-names-and-categories/7309)
**Author:** [@matterhorn103](https://discuss.avogadro.cc/u/matterhorn103)\ **Replies:** 23\ **Last updated:** [February 13, 2026, 10:56pm UTC](https://discuss.avogadro.cc/t/plugin-feature-names-and-categories/7309 "2026-02-13T22:56:43Z")
Currently there are five types of plugin, which after much discussion are destined to become “feature” types (i.e. sorts of functionality) that a plugin may offer. Those five plugin/feature types/categories are: Nam… --- ## [CIF handling should be optimized (I)](https://discuss.avogadro.cc/t/cif-handling-should-be-optimized-i/7287)
**Author:** [@anon86203829](https://discuss.avogadro.cc/u/anon86203829)\ **Replies:** 21\ **Last updated:** [January 29, 2026, 2:01pm UTC](https://discuss.avogadro.cc/t/cif-handling-should-be-optimized-i/7287 "2026-01-29T14:01:22Z")
Dear all, since the release of Avogadro 2 is imminent, I would like to quickly mention a few things regarding the crystallography functionalities. I think most users would expect that when loading a CIF, the entire u… --- ## [Incorrect MO number in creating surface from MOPAC results](https://discuss.avogadro.cc/t/incorrect-mo-number-in-creating-surface-from-mopac-results/7228)
**Author:** [@tsubomura](https://discuss.avogadro.cc/u/tsubomura)\ **Replies:** 10\ **Last updated:** [November 18, 2025, 12:53am UTC](https://discuss.avogadro.cc/t/incorrect-mo-number-in-creating-surface-from-mopac-results/7228 "2025-11-18T00:53:15Z")
I would like to use Avogadro to depict Molecular orbitals using the aux files calculated by OpenMOPAC2016 software. The MO number seems to be invalid if I calculate MO surface in the “Analyze” → “create surface” menu. F… --- ## [Molecular distortion during xtb optimization in Nightly 1.103.0](https://discuss.avogadro.cc/t/molecular-distortion-during-xtb-optimization-in-nightly-1-103-0/7379)
**Author:** [@Nyama](https://discuss.avogadro.cc/u/Nyama)\ **Replies:** 9\ **Last updated:** [April 3, 2026, 2:48pm UTC](https://discuss.avogadro.cc/t/molecular-distortion-during-xtb-optimization-in-nightly-1-103-0/7379 "2026-04-03T14:48:30Z")
I would like to express my sincere gratitude for your hard work and dedication to developing Avogadro2. I’ve noticed an issue when performing geometry optimization using the xtb extension within Avogadro2. As shown in t… --- ## [Export Graphics does not color the orbitals](https://discuss.avogadro.cc/t/export-graphics-does-not-color-the-orbitals/7415)
**Author:** [@Juanes](https://discuss.avogadro.cc/u/Juanes)\ **Replies:** 10\ **Last updated:** [April 22, 2026, 3:50pm UTC](https://discuss.avogadro.cc/t/export-graphics-does-not-color-the-orbitals/7415 "2026-04-22T15:50:52Z")
The shape of the orbitals is visible in the image produced by the “Export Graphics” functionality but they are not properly colored. Could ti be a bug or a problem from my end? --- ## [PubChem 2D SDF File to Avogadro 3D File Maximum Size Inquiry?](https://discuss.avogadro.cc/t/pubchem-2d-sdf-file-to-avogadro-3d-file-maximum-size-inquiry/7241)
**Author:** [@mjsubach](https://discuss.avogadro.cc/u/mjsubach)\ **Replies:** 9\ **Last updated:** [December 1, 2025, 4:25pm UTC](https://discuss.avogadro.cc/t/pubchem-2d-sdf-file-to-avogadro-3d-file-maximum-size-inquiry/7241 "2025-12-01T16:25:45Z")
Hello Avogadro I had used the Avogadro (with gold lace) application to generate a 3D File from a PubChem 2D file, the ligand was large 89-heavy atoms/1000 Daltons, was Avogadro able to accurately 3D build this large of a… --- ## [Can Avogadro read Gaussian output?](https://discuss.avogadro.cc/t/can-avogadro-read-gaussian-output/7339)
**Author:** [@davidshobe](https://discuss.avogadro.cc/u/davidshobe)\ **Replies:** 13\ **Last updated:** [March 10, 2026, 9:31pm UTC](https://discuss.avogadro.cc/t/can-avogadro-read-gaussian-output/7339 "2026-03-10T21:31:01Z")
Can Avogadro read Gaussian output? If so, does the file have to have a certain extension? –David Shobe --- ## [Orbital Table with open-shell alpha/beta](https://discuss.avogadro.cc/t/orbital-table-with-open-shell-alpha-beta/7280)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 16\ **Last updated:** [March 2, 2026, 6:22pm UTC](https://discuss.avogadro.cc/t/orbital-table-with-open-shell-alpha-beta/7280 "2026-03-02T18:22:28Z")
I’ve implemented open shell orbitals in the molecular orbital window. For the moment, I’m listing alpha and beta and attempting to guess them.. on the other hand, that obviously doesn’t go great because of course the… --- ## [Pixi issues with AppImage Release](https://discuss.avogadro.cc/t/pixi-issues-with-appimage-release/7412)
**Author:** [@Helium5793](https://discuss.avogadro.cc/u/Helium5793)\ **Replies:** 13\ **Last updated:** [August 15, 2026, 4:56pm UTC](https://discuss.avogadro.cc/t/pixi-issues-with-appimage-release/7412 "2026-08-15T16:56:50Z")
I just tried to write input to mopac for my structure and it said it need pixi and it wasn’t available. (linux appimage). As I just searched for Avogadro and pixi and came up with this discussion, I am wondering if pix… --- ## [Mulliken charge label from orca output](https://discuss.avogadro.cc/t/mulliken-charge-label-from-orca-output/7271)
**Author:** [@hisacro](https://discuss.avogadro.cc/u/hisacro)\ **Replies:** 11\ **Last updated:** [February 3, 2026, 9:34am UTC](https://discuss.avogadro.cc/t/mulliken-charge-label-from-orca-output/7271 "2026-02-03T09:34:36Z")
Hello I’m trying to display the information from population analysis done on orca. Particularly Mulliken charge analysis, I’m attaching the output file from orca. Avogadro currently is not reading it, just shows the pa… --- ## [Issue with visualizing multiple frequency results in ORCA output](https://discuss.avogadro.cc/t/issue-with-visualizing-multiple-frequency-results-in-orca-output/7437)
**Author:** [@mandaro](https://discuss.avogadro.cc/u/mandaro)\ **Replies:** 12\ **Last updated:** [September 8, 2026, 7:13am UTC](https://discuss.avogadro.cc/t/issue-with-visualizing-multiple-frequency-results-in-orca-output/7437 "2026-09-08T07:13:32Z")
Hello, I’m using the following ORCA input: ! r2SCAN-3c ! OptTS Freq ! CPCM(water) %geom recalc\_hess 5 calc\_hess true end \*xyzfile 0 2 F83\_TS\_calcfc.xyz The output file contains multiple sets of frequencies. When I… --- ## [Incorrect Bond Connectivity When Importing xTB .xyz Files into Avogadro](https://discuss.avogadro.cc/t/incorrect-bond-connectivity-when-importing-xtb-xyz-files-into-avogadro/7372)
**Author:** [@Nai](https://discuss.avogadro.cc/u/Nai)\ **Replies:** 14\ **Last updated:** [March 26, 2026, 1:40pm UTC](https://discuss.avogadro.cc/t/incorrect-bond-connectivity-when-importing-xtb-xyz-files-into-avogadro/7372 "2026-03-26T13:40:38Z")
Why are the atoms not correctly connected when an .xyz file generated by xTB is opened in Avogadro? How can this be corrected manually? Is there any documentation available on this issue? --- ## [New plugin index](https://discuss.avogadro.cc/t/new-plugin-index/7319)
**Author:** [@matterhorn103](https://discuss.avogadro.cc/u/matterhorn103)\ **Replies:** 17\ **Last updated:** [March 13, 2026, 1:28pm UTC](https://discuss.avogadro.cc/t/new-plugin-index/7319 "2026-03-13T13:28:13Z")
As various topics have mentioned, the 2.0 release will bring with it an overhaul of the plugin framework. Two components of this are a new Avogadro-plugin API, and a new way for plugins to specify metadata for Avogadro (… --- ## [Migrating to OpenGL 4.0 core profile](https://discuss.avogadro.cc/t/migrating-to-opengl-4-0-core-profile/7281)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 14\ **Last updated:** [January 29, 2026, 9:31pm UTC](https://discuss.avogadro.cc/t/migrating-to-opengl-4-0-core-profile/7281 "2026-01-29T21:31:58Z")
tldr; I’ll need some folks to help test a new OpenGL 4.0 build, particularly on Windows and Linux, where hardware esp. GPU and drivers are more diverse. I had been putting it off for a while, but recent bug reports abou… --- ## [Mouse scroll can only zoom out occasionally](https://discuss.avogadro.cc/t/mouse-scroll-can-only-zoom-out-occasionally/7245)
**Author:** [@brockdyer03](https://discuss.avogadro.cc/u/brockdyer03)\ **Replies:** 10\ **Last updated:** [December 9, 2025, 3:00pm UTC](https://discuss.avogadro.cc/t/mouse-scroll-can-only-zoom-out-occasionally/7245 "2025-12-09T15:00:00Z")
Environment Information Avogadro version: Latest Nightly Operating system and version: Windows 11 Pro 10.0.26200 Expected Behavior Scroll wheel follows desired setting in Navigate tool options, e.g. scrolling down zoom… --- ## [Error reading crystal structure (.cif)](https://discuss.avogadro.cc/t/error-reading-crystal-structure-cif/7363)
**Author:** [@Juanes](https://discuss.avogadro.cc/u/Juanes)\ **Replies:** 10\ **Last updated:** [March 20, 2026, 10:34pm UTC](https://discuss.avogadro.cc/t/error-reading-crystal-structure-cif/7363 "2026-03-20T22:34:15Z")
I have never used crystal structures before and was about to open up my first one with Avogadro. For some reason it is giving me this error: Any thoughts as to what could be happening? (Also, .cif attachments are not… --- ## [Pixi timeout at launch](https://discuss.avogadro.cc/t/pixi-timeout-at-launch/7220)
**Author:** [@matterhorn103](https://discuss.avogadro.cc/u/matterhorn103)\ **Replies:** 11\ **Last updated:** [November 11, 2025, 3:27pm UTC](https://discuss.avogadro.cc/t/pixi-timeout-at-launch/7220 "2025-11-11T15:27:18Z")
Hi, can we maybe try the Pixi setup steps during launch fewer times? Currently, it’s not working for me, which isn’t necessarily the end of the world, but each failed attempt takes a good 5 seconds and Avogadro seems to … --- ## [Avogadro not reading MOPAC .out files](https://discuss.avogadro.cc/t/avogadro-not-reading-mopac-out-files/7480)
**Author:** [@Helium5793](https://discuss.avogadro.cc/u/Helium5793)\ **Replies:** 12\ **Last updated:** [September 10, 2026, 12:12pm UTC](https://discuss.avogadro.cc/t/avogadro-not-reading-mopac-out-files/7480 "2026-09-10T12:12:18Z")
At one time I thought this was working but it is not. Under both Avogadro2.appimage and windows avogadro2 I have been working with the latest version of MOPAC (2023). A2 writes the .mop file. I run it through MOPAC an… --- ## [Long-Term Vision](https://discuss.avogadro.cc/t/long-term-vision/7557)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 12\ **Last updated:** [October 26, 2026, 5:11pm UTC](https://discuss.avogadro.cc/t/long-term-vision/7557 "2026-10-26T17:11:00Z")
Where Avogadro started Avogadro started 20 years ago with a manifesto. There were plenty of tools for viewing chemistry in 3D, but few for building and editing molecules, and almost none of those were free and open sou… --- ## [Issue with 2D geometries on AppImage and Windows](https://discuss.avogadro.cc/t/issue-with-2d-geometries-on-appimage-and-windows/7436)
**Author:** [@Helium5793](https://discuss.avogadro.cc/u/Helium5793)\ **Replies:** 12\ **Last updated:** [May 12, 2026, 6:45pm UTC](https://discuss.avogadro.cc/t/issue-with-2d-geometries-on-appimage-and-windows/7436 "2026-05-12T18:45:35Z")
I believe this to be a bug with Avogadro: (Please describe your bug or issue) Expected Behavior optimize geometry Actual Behavior Appimage deletes the structure, windows optimizes geometry Steps to Reproduce: This is… --- ## [genXrnPattern binary location/installation?](https://discuss.avogadro.cc/t/genxrnpattern-binary-location-installation/7219)
**Author:** [@fmentink](https://discuss.avogadro.cc/u/fmentink)\ **Replies:** 10\ **Last updated:** [March 17, 2026, 11:43pm UTC](https://discuss.avogadro.cc/t/genxrnpattern-binary-location-installation/7219 "2026-03-17T23:43:39Z")
Hi there, I wanted to use the PXrd function generation under Crystal/Plot Theoretical … As I attempted to use it, the binary was missing. I tried to look for the information as to where to place it, but so far I am uns… --- ## [Unbundling generator scripts](https://discuss.avogadro.cc/t/unbundling-generator-scripts/7338)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 11\ **Last updated:** [March 25, 2026, 1:15pm UTC](https://discuss.avogadro.cc/t/unbundling-generator-scripts/7338 "2026-03-25T13:15:25Z")
We had a discussion about this recently, but I’m coming back around: if users have to install all plugins (including generators, xtb, etc.) everything receives the same treatment and we avoid issues with read-only AppI… --- ## [\`userOptions\` and \`highlightStyles\`](https://discuss.avogadro.cc/t/useroptions-and-highlightstyles/7317)
**Author:** [@matterhorn103](https://discuss.avogadro.cc/u/matterhorn103)\ **Replies:** 14\ **Last updated:** [March 15, 2026, 7:18pm UTC](https://discuss.avogadro.cc/t/useroptions-and-highlightstyles/7317 "2026-03-15T19:18:59Z")
So as it stands, the JSON files that a plugin should in future provide for userOptions and highlightStyles are identical to the output that the plugins should currently return upon being called with --print-options (and h… --- ## [Feedback and deployment experience with Avogadro2 v2.0.0 to Open Ondemand](https://discuss.avogadro.cc/t/feedback-and-deployment-experience-with-avogadro2-v2-0-0-to-open-ondemand/7422)
**Author:** [@chiensh](https://discuss.avogadro.cc/u/chiensh)\ **Replies:** 9\ **Last updated:** [May 4, 2026, 3:17pm UTC](https://discuss.avogadro.cc/t/feedback-and-deployment-experience-with-avogadro2-v2-0-0-to-open-ondemand/7422 "2026-05-04T15:17:41Z")
First off, a huge congrats on the launch of v2.0.0! The improvements are tremendous, and it’s clear how much work has gone into making Avogadro an indispensable tool for the community. We’ve just set up Avogadro2 v2.0.0… --- ## [Semi-Empirical QM(xTB) functions do not work](https://discuss.avogadro.cc/t/semi-empirical-qm-xtb-functions-do-not-work/7410)
**Author:** [@Renyun\_Zhang](https://discuss.avogadro.cc/u/Renyun_Zhang)\ **Replies:** 9\ **Last updated:** [April 15, 2026, 12:35am UTC](https://discuss.avogadro.cc/t/semi-empirical-qm-xtb-functions-do-not-work/7410 "2026-04-15T00:35:46Z")
Avogardro Version: 2.0.0 system: MACOS Tahoe 26.2, Apple M3 Only “orbitals” function works under Semi-Empirical QM(xTB), the other functions do not work (no response). RDkit does not work. Python settings: can not ma… --- ## [Issues with the avo\_xtb plugin](https://discuss.avogadro.cc/t/issues-with-the-avo-xtb-plugin/7447)
**Author:** [@Piotr](https://discuss.avogadro.cc/u/Piotr)\ **Replies:** 9\ **Last updated:** [May 28, 2026, 6:27pm UTC](https://discuss.avogadro.cc/t/issues-with-the-avo-xtb-plugin/7447 "2026-05-28T18:27:22Z")
Dear Developers I installed the latest stable Avogadro release (2.0.0) on a Windows 10 PC and a Linux (Lubuntu 26.04, AppImage) machine. I also installed the avo\_xtb (0.11.1) plugin via the Manage plugins…command in the… --- ## [Keyboard shortcut to switch through files](https://discuss.avogadro.cc/t/keyboard-shortcut-to-switch-through-files/7368)
**Author:** [@Juanes](https://discuss.avogadro.cc/u/Juanes)\ **Replies:** 10\ **Last updated:** [March 26, 2026, 1:05am UTC](https://discuss.avogadro.cc/t/keyboard-shortcut-to-switch-through-files/7368 "2026-03-26T01:05:37Z")
Speaking of keyboard shortcuts, in my work I am dealing with a large number of molecules and I was just inspecting the optimized structures. I found myself looking for a keyboard shortcut that would allow me to go th… --- ## [Xtb-energy Plugin Depends on Python Environment](https://discuss.avogadro.cc/t/xtb-energy-plugin-depends-on-python-environment/7380)
**Author:** [@Javier\_Cerezo](https://discuss.avogadro.cc/u/Javier_Cerezo)\ **Replies:** 9\ **Last updated:** [April 1, 2026, 5:28pm UTC](https://discuss.avogadro.cc/t/xtb-energy-plugin-depends-on-python-environment/7380 "2026-04-01T17:28:10Z")
I have noticed a strange behavior of the xtb energy calculators in Linux. Namely, the performance of the plugin depends on the python environment of the shell where the code is launched (with the same python path in the … --- ## [Build issues relating to JKQTPlotter](https://discuss.avogadro.cc/t/build-issues-relating-to-jkqtplotter/7286)
**Author:** [@matterhorn103](https://discuss.avogadro.cc/u/matterhorn103)\ **Replies:** 9\ **Last updated:** [February 13, 2026, 6:13pm UTC](https://discuss.avogadro.cc/t/build-issues-relating-to-jkqtplotter/7286 "2026-02-13T18:13:49Z")
Sorry to trouble you with a request for help like this, but I don’t really have the time to figure it out myself and I suspect the solution might be immediately obvious to you… I can’t build Avogadro from source right n… --- ## [Avogadro2 on debian/ubuntu: spectral plot (jkqtplotter) examples?](https://discuss.avogadro.cc/t/avogadro2-on-debian-ubuntu-spectral-plot-jkqtplotter-examples/7481)
**Author:** [@RizzerOnGitHub](https://discuss.avogadro.cc/u/RizzerOnGitHub)\ **Replies:** 11\ **Last updated:** [June 30, 2026, 8:24pm UTC](https://discuss.avogadro.cc/t/avogadro2-on-debian-ubuntu-spectral-plot-jkqtplotter-examples/7481 "2026-06-30T20:24:26Z")
jkqtplotter is now available on debian, and that means avogadro 2.0.0 is becoming available (ubuntu will follow soon after). It would be nice to be able to test that jkqtplotter is doing its job properly. Are there any… --- ## [Avogadro 2.0.0 Release 🎉](https://discuss.avogadro.cc/t/avogadro-2-0-0-release/7384)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 2\ **Last updated:** [April 1, 2026, 7:13pm UTC](https://discuss.avogadro.cc/t/avogadro-2-0-0-release/7384 "2026-04-01T19:13:51Z")
We are pleased to announce the latest release of Avogadro, including piles of bug fixes and many feature enhancements. Thanks to many for suggestions, bug reports, translations, and discussions. Avogadro is built from th… --- ## [Avogadro 2026 Roadmap](https://discuss.avogadro.cc/t/avogadro-2026-roadmap/7268)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 0\ **Last updated:** [December 31, 2025, 6:53pm UTC](https://discuss.avogadro.cc/t/avogadro-2026-roadmap/7268 "2025-12-31T18:53:38Z")
Following the 2024 and 2025 roadmaps. Avogadro 2.0 Intended for release on 06 Feb 2026 (i.e., 06.02) This will mostly concentrate on bug fixes, performance and polish, including a revised plugin system and updated do… --- ## [Avogadro 1.103 Release](https://discuss.avogadro.cc/t/avogadro-1-103-release/7299)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 0\ **Last updated:** [February 6, 2026, 2:07am UTC](https://discuss.avogadro.cc/t/avogadro-1-103-release/7299 "2026-02-06T02:07:46Z")
We are pleased to announce the latest release of Avogadro, including piles of bug fixes and many feature enhancements. Thanks to many for suggestions, bug reports, and discussions. Our hope is that this is the last “pre… --- ## [Different unit cell conventions](https://discuss.avogadro.cc/t/different-unit-cell-conventions/7291)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 0\ **Last updated:** [January 31, 2026, 8:40pm UTC](https://discuss.avogadro.cc/t/different-unit-cell-conventions/7291 "2026-01-31T20:40:44Z")
I was using the Materials Project to look up the unit cell of rutile and they have a useful naming scheme of unit cell conventions: So they classify: input cell (e.g., for DFT codes) primitive conventional reduced … --- ## [3 Million Downloads](https://discuss.avogadro.cc/t/3-million-downloads/7233)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 1\ **Last updated:** [March 29, 2026, 2:03am UTC](https://discuss.avogadro.cc/t/3-million-downloads/7233 "2026-03-29T02:03:08Z")
At some point last night, we passed 3,000,000 downloads all time - it was only two years ago that we passed two million downloads. SourceForge is still providing the bulk of the downloads, but that will likely change wh… --- ## [Avogadro 2.1.0 Release](https://discuss.avogadro.cc/t/avogadro-2-1-0-release/7559)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 1\ **Last updated:** [October 23, 2026, 3:09pm UTC](https://discuss.avogadro.cc/t/avogadro-2-1-0-release/7559 "2026-10-23T15:09:24Z")
We are pleased to announce the Avogadro 2.1, with new features, performance improvements, and piles of bug fixes. A particular effort was made to improve testing and code quality. Thanks to everyone who made suggestio… --- ## [Interest in syntax highlighting for ORCA?](https://discuss.avogadro.cc/t/interest-in-syntax-highlighting-for-orca/7316)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 6\ **Last updated:** [February 21, 2026, 12:45am UTC](https://discuss.avogadro.cc/t/interest-in-syntax-highlighting-for-orca/7316 "2026-02-21T00:45:17Z")
I know ORCA is generally popular. Would there be interest in adding syntax highlighting rules for the ORCA input generator? (Even if it’s just a small start?) --- ## [YouTube Walkthroughs](https://discuss.avogadro.cc/t/youtube-walkthroughs/7223)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 1\ **Last updated:** [November 9, 2025, 6:25pm UTC](https://discuss.avogadro.cc/t/youtube-walkthroughs/7223 "2025-11-09T18:25:59Z")
I’m going to post links to the YouTube walkthrough videos, in part to make them easier to find: Introduction and Key Skills Intro & Welcome Download by name and simple sketches Building with the Template Tool Displa… --- ## [Polymer Builder](https://discuss.avogadro.cc/t/polymer-builder/7453)
**Author:** [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\ **Replies:** 0\ **Last updated:** [May 25, 2026, 5:29pm UTC](https://discuss.avogadro.cc/t/polymer-builder/7453 "2026-05-25T17:29:46Z")
While it never made it into a v1.2 release, I was asked to create a polymer builder tool years and years ago. This will be part of the 2.1 release. At the moment, the feature creates a SMILES from a large library of … --- ## [Feature request: Save 2D structure](https://discuss.avogadro.cc/t/feature-request-save-2d-structure/7327)
**Author:** [@Juanes](https://discuss.avogadro.cc/u/Juanes)\ **Replies:** 6\ **Last updated:** [February 26, 2026, 11:36pm UTC](https://discuss.avogadro.cc/t/feature-request-save-2d-structure/7327 "2026-02-26T23:36:45Z")
Ran into the need of saving my molecules in 2D (ChemDraw-like) format. I was wondering if Avogadro2 can do this? --- ## [Future of the \`avo\_xtb\` plugin](https://discuss.avogadro.cc/t/future-of-the-avo-xtb-plugin/7320)
**Author:** [@matterhorn103](https://discuss.avogadro.cc/u/matterhorn103)\ **Replies:** 2\ **Last updated:** [February 22, 2026, 10:22pm UTC](https://discuss.avogadro.cc/t/future-of-the-avo-xtb-plugin/7320 "2026-02-22T22:22:13Z")
The overhaul of the plugin API for Avogadro 2.0 will be great for the xtb/CREST plugin that I wrote and maintain, and I plan to fully take advantage of the changes in a number of ways. My intentions: The plugin will … [Next page](https://discuss.avogadro.cc/top.md?page=1&per_page=50)