Quasar

[ENH] Tests for irfft calcuations (agilent data)
[ENH] Rock XAS readers
[ENH] OWPreprocess: show up to 100 preview spectra
[ENH] Increase shown spectra limit from 100 to 1000
[ENH] Normalize by reference
[ENH] Show preprocessor exceptions as errors in Preprocess Spectra
[ENH] Preprocessor warnings
[ENH] Enable changing the reference frame in Stack Align
[FIX] owpreprocess: fix segfault on widget removal
[FIX] Interferogram to Spectrum: fix zero-filling factor
[FIX] Subtract DC value from IFG
[FIX] Fix rubberband (qhull) ValueError on all-NaN sample row
[FIX] OWIntegrate: fix non-meta output
Test and handle (-) infs in preprocessors

[ENH] STXM stack aligner
[ENH] Feedback on Stack Alignment
[FIX] Preprocess widget: always output preprocessor (also on no input data)
[FIX] FFT widget: keep metas

[ENH] SpectralReader: do not create intermediate tables (lower memory use)
[ENH] owspectra: use less memory for computing averages
[ENH] Agilent read interferogram data (seq and drd)
[ENH] OWFFT: use laser wavenumber and sampling interval metadata if present
[FIX] Preprocessors in the Preprocess Spectra widget also preprocess the reference
[FIX] Fix preprocessor saving
[FIX] Save preview positions in Preprocess Spectra and Integrate
Remove opusFC from requirements

[FIX] AgilentReaders: use correct file extensions
[ENH] Better Matlab support

[ENH] OWAverage: average by group
[ENH] FFT overhaul
[ENH] owpreprocess: highlight pairs of spectra
[ENH] CurvePlot: an option to color individual curves
[FIX] Support for refactored Orange projection
[FIX] Support for DomainTransformationError
[FIX] Spectra: correct sampling info in average view
[FIX] CurvePlot: fix average with unknown feature value
Remove automatic interpolation with some readers

[FIX] Installation from the pypi source package