Release Notes#
Latest Version: 2026.1#
Machine-learning Calculator
Integration of MACE Machine-Learning Potentials: Added support for single-point, geometry optimization, molecular dynamics, equation of state and nudged elastic band calculations .
Built-in library of pretrained models:
MACE-MPA-0
MACE MP-b3
MACE MP-b2
MACE MP-b
Native support to load, manage, and execute custom user-trained MACE models
Local and remote execution environments tailored for ML calculations.
Job Submission and Monitoring
Automated batch processing: batch submission tool supports simultaneous submission of multiple projects.
Improved job tracking: Provides cleared updates and improved stability of monitoring ongoing runs.
Molecular Dynamics
Expanded thermostats and barostats: NVT Langevin, Ansersen, Berendsen, Bussi, and NPT Berendsen.
Added cell optimization modes and revised external pressure options.
Revised default values for thermostat and barostat parameters for better baseline stability.
Geometry optimization
Added cell optimization modes and revised external pressure options.
Version: 2026.0#
SIESTA Calculator
Support for the SIESTA preview version with implicit solvent:
Automatic update of pseudopotentials (to fulfill .psf needed requirement) when the implicit feature is selected.
Guidance on the XC functional choice according to the pseudopotential availability in the database.
More robust and user friendly SIESTA binary downloaders
Miscellany
Support for projects with unavailable or missing pseudopotentials.
More robust import of CIF structural files.
Version: 2025.1#
SIESTA calculator
Full support for SIESTA 5.4.
Support for SIESTA preview versions with
Hybrid XC functionals.
Faster geometry optimization using native SIESTA implementation.
Pseudopotentials update automatically (to fulfill .psf needed requirement) when the implicit feature is selected.
Improved SIESTA input customization.
Quantum ESPRESSO calculator
Support for Spin-Orbit Coupling (SOC).
Support for hybrid XC functionals.
Fermi surface calculation with QE.
Adjustment of pseudopotentials depending on chosen spin option.
More reliable default calculation parameters.
Nudged Elastic Band (NEB), Equation Of State (EOS) and Convergence Tools Projects
Intermediate results can now be viewed.
Phonons Project
Tracking of project progress is now possible.
General improvements
Support for the Altair Grid Engine job scheduler.
More reliable remote connections with two-factor authentication.
Generalized forces are now tracked during geometry optimization.
Deprecations and breaking changes
Python 3.8 is not supported anymore.
SIESTA 4.0 is excluded from possible calculators for new projects.
It is the last version of ASAP that supports Ubuntu 20.04.
Version: 2025.0#
SIESTA calculator
Full support for SIESTA 5.2.
Built-in downloader for both parallel and serial SIESTA versions.
Pseudopotentials update automatically based on your settings.
New input options for faster SCF convergence.
Quantum ESPRESSO calculator
Now supports Quantum ESPRESSO 7.x.
Built-in downloader for serial QE.
QE Input files are fully customizable.
Greater control over pseudopotential selection.
Analysis
(NEB) View intermediate results for the type of projects NEB, equation of state, and convergence tools:BZ sampling.
(Transport) Improved TranSIESTA analysis widget.
Other improvements
Release notes now accessible from the main menu.
ASAP Pro Transport
Siesta 5.2 can now be used for TranSIESTA.
Version: 2024.1#
Parameter widget
(Properties) Potential & work function option available in properties section.
Calculator-SIESTA
SIESTA 5.0 is available as a new calculator.
Analysis
(Single-point) Work function can now be computed.
(Transport) k-resolved transmission can now be plotted.
Miscellany
Support for offline licenses.
Support for floating licenses.
Psml pseudopotential support (through SIESTA5.0 calculator).
Enhanced DFT+U table.
Others miscellany fixes
SIESTA calculator improvements
Fixed inconsistencies when the system contains ghost atoms.
Enforced consistency between DFT+U parameters and pseudopotentials.
Improved dipole correction settings.
Quantum Espresso calculator improvements
Fixed QE failing when run on remote environments.
Update pseudos when changing XC functional.
Transport project improvements
SIESTA 5.0 can be used as a TranSIESTA executable.
Fixed transport merger tool failing with some nanotubes.
Fixed problems with electrode lengths.
Fixed transport preprocessing failing on file systems without link support.
Better analysis widgets for transport calculations.
Added k-resolved transmission to transport analysis.
Licensing improvements
Improved device detection.
License-checking mechanism more resilient to device failures.
General improvements
Fixed various issues with the management of remote connections.
The remote config checker now detects failures with RC files.
Command-line options can be specified when submitting remote jobs.
Fixed defaults for Bloch coefficients.
Fixed inconsistencies in atom indices for slabs.
Fixed inconsistencies when reverting from a custom basis set.
Fixed total energy output for molecular dynamics.
Fixed the name of the saved LDOS grid file.
Improved mechanism to select pseudopotentials.
Improved data flow for NEB calculations.
Improved settings for magnetic moments.
Access online docs from the Help menu.
Version: 2024.0#
Projects
(Transport) Implemented the possibility of importing FDF (TranSIESTA input file) file from a transiesta calculation.
Parameter widget
(Properties) Fermi surface implementation (available also for 2D systems).
Calculator-Quantum Espresso (now compatible with the following ASAP workflows: Single-point, Geometry Optimisation, EOS, NEB & Vibrations)
The recently implemented Quantum Espresso calculator has been significantly improved.
The net charge (tot_charge) parameter is added to Quantum Espresso calculator.
The number of computed bands can be controlled for Quantum Espresso calculator.
The NEB project can use the Quantum Espresso calculator.
The Vibrations project can use Quantum Espresso calculator.
New parameters have been added to the GUI-QE interface, including the number of computed bands and the net charge parameter.
Analysis
(single-point) Analysis of Fermi surface.
(LDOS) Iso-surfaces of the Local Density of States (LDOS) can be plotted for the sum of the spin-up and spin-down densities.
(Transport) In the transport post processing analysis widget, the data corresponding to the plot can be exported.
Miscellany
SSH connections using ProxyCommand are now possible on Windows.
Online documentation (https://docs.simuneatomistics.com ).