# Changelog fuzzyfold
All notable changes to this crate will be documented in this file.
## [0.4.1] - 2026-02-26
## Changed
- Updates for energy evaluation (compiled parameters only, P support).
- Parameters default to "extended" with additional haipin energies and modifications.
- Updates for rate model selection (Arrhenius only).
- Restricted alphabets for RNA {A, C, G, U, P} and DNA {A, C, G, T}.
## [0.4.0] - 2026-02-06
## Added
- ff-trajectory silent mode.
- ff-trajectory co-transcriptional mode.
- three-way and four-way shift move support for ff-explore and Metropolis rate model.
## Changed
- ff-trajectory / ff-timecourse input formats!
Both programs now require an input structure. (A starting structure can now
only be omitted in co-transcriptional mode.)
- ff-explore instead of ff-locmin
Renamed to avoid confusion with different software. Supports shift moves.
- new default parameters in kinetic parsers.
## [0.3.0] - 2026-01-13
### Added
- ff-eval now supports multi-fold
- ff-locmin release
- Kawasaki support for ff-trajectory / ff-timecourse
### Changed
- ff-trajectory output formatting
- ff-timecourse k0 default for consistency