This file describes the changes and bug fixes in SIMNRA since version 7.0 Version 7.01 Changes 1. Faster calculation if particles are not able to penetrate the foil. 2. Import of RUMP's RBS-files in ASCII format. 3. Improved registration: SIMNRA now can be registered for 'All users' (with administrator privileges) or for 'Current user'. 4. Improved uninstall: If files cannot be deleted because they are being used (for example shell extensions), they are queued for deletion when the system is restarted. In this case the user is asked to restart the system at the end of the uninstallation process. 5. New OLE methods App.OpenMemory, App.SaveMemory, App.Copy. Bug fixes 1. Documentation for method Setup.ReadDetectorSensitivity was incorrect. Bug fixed. 2. Differential cross-sections were incorrect if the total cross-section was given. This bug was introduced in version 7.0. Bug fixed. 3. Straggling was incorrect in some cases if SIMNRA was used by STRUCTNRA and multiple scattering was on. Bug fixed. Version 7.02 Changes 1. New OLE methods Setup.SaveAs, Setup.SaveAsDefault. 2. Improved Options:Preferences:Directories. Change of atomic data, cross-sections and stopping data directories requires administrator privileges. 3. Improved Options:Preferences:Directories. SRIM directory can be changed for 'All users' (with administrator privileges) or for 'Current user'. 4. libxml2 version 2.9.3. 5. Improved File:Read spectrum data:Energy/Counts. The data points can be ordered with ascending or descending energy. Improved stability and performance for many data points. 6. New OLE property Calc.GeometricalStraggling. 7. New OLE properties for detector geometry (Setup.ApertureDistance, ...). 8. New shortcut for 'Edit:Copy data'. Ctrl+C now copies the content of the active edit field. 9. New shortcuts for 'Edit:Copy layer' and 'Edit:Paste layer' in the Target form. 10. Fundamental constants from CODATA 2014. 11. PIGE implemented. 12. Toolbar cannot be dragged any more. 13. Cross-section data from IBANDL 2014. 14. Improved information about the problem in 'Energy overlap in cross-section data'. 15. Improved Origin fitting function asymGauss.fdf with fit parameter initialization. 16. Modern dialog for selection of directories. 17. SigmaCalc 2.0 version 3-2018. Bug fixes 1. OLE methods App.SaveMemory and App.Copy did not work correctly. This bug was introduced in version 7.01. Bug fixed. 2. Minor fixes in the OLE automation reference. 3. Calculate:Stopping:Stopping in foil/window was incorrect if the energy spread distribution deviated siginificantly from Gaussian, for example for high-energy protons and thin layers. Bug fixed. 4. The use of the OLE methods Foil.ReadLayer, Foil.SaveLayerAs, Window.ReadLayer, Window.SaveLayerAs could result in unwanted side effects. Bug fixed. 5. Opening files in xnra- or idf-format could cause a memory leak. Bug fixed. 6. Cross-section data files in R33 format with data for a nuclear reaction and the flag "Composition: Natural" resulted in the use of this cross-section for all isotopes. This does not make much sense. Bug fixed. Thanks to S. Möller, Forschungzentrum Jülich, Germany. 7. Pop-up menu did not scale the y-axis correctly. Bug fixed. 8. Resolnra and Viewnra did not work correctly for multi-elemental targets in some cases. This bug was introduced in version 7.01. Bug fixed. 9. Elements deleted from the target still showed up in the legend in some cases. Bug fixed. 10. Layer porosity was not copied if a layer was copied to the clipboard. Bug fixed. 11. If the list of cross-sections was being created a click to Reactions or Calculate:Kinematics resulted in an error. Bug fixed. Version 7.03 Changes 1. Faster creation of the list of cross-sections, especially in combination with SigmaCalc. 2. Neutron-ERDA and neutron-NRA implemented. 3. Calculation of Mott scattering cross-sections with the MottCalc program. Thanks to M. Kokkoris, Athens. 4. Calculation of DPASS stopping powers with the DPASS program. Thanks to A. Schinner, Linz, and P. Sigmund, Odense. 5. Faster start-up of the program (when invoked by OLE) and less memory consumption. 6. Faster caculation of accurate pile-up by 25-35%. 7. Improved handling of the selection of SigmaCalc cross-sections when the angle is changed. 8. Amsel model for multiple scattering. 9. Removal of duplicate reactions in the Calculate:Kinematics form. 10. Icons for Windows 10 tiles. 11. Read spectrum data from RUMP rbs files. 12. More robust reading of ASCII files. 13. Extended multiple monitor support. 14. DPASS version 21.06. 15. Refactoring of the whole code for improved readability, speed and stability. 16. Improved accuracy of counts integrals: Version 7.02 and earlier had an accuracy of about 1.4E-4; Version 7.03 has an accuracy of about 1E-5. 17. IBM 1 and IBM 2 geometries in Calculate: Exit angle beta. 18. The warning about dual scattering and non-Rutherford cross-sections can be disabled. 19. Faster calculation for samples with many thick layers. Bug fixes 1. R33 cross-section data files with cross-section data for natural isotopic composition were not recognized correctly in rare cases, for example for Zn. Bug fixed. Thanks to A. Gurbich. 2. The sorting of available cross-section data in the "Reactions" menu was not correct in rare cases. Bug fixed. 3. Open forms were not updated when an nra or xnra file was dropped. Bug fixed. 4. Parameters of calculations were not updated properly if these were entered in an Edit control, were not finalized with Enter or Tab, and F9 or F10 were used as shortcuts. Bug fixed. 5. Target form: Pasting an empty layer resulted in an error. Bug fixed. 6. Setup:Experiment form: After reading an experimental setup from file the form was not updated. Bug fixed. 7. Setup:Calculation form: After reading a calculational setup from file the form was not updated. Bug fixed. 8. The Chi^2 value in the form footer was not updated if a spectrum was read from file using OLE. Bug fixed. 9. Files h2aa0b.r33 for 2H(a,d)4He and h1aa0y.r33 for 1H(a,p)4He were incorrect. Bug fixed. 10. Warning about Dual scattering and non-Rutherford cross-sections was issued twice, if a spectrum was fitted. Bug fixed. 11. Reactions form was erroneously shown if target or layer was read using OLE methods Target.ReadTarget or Target.ReadLayer, respectively. Bug fixed. 12. Error if Fit button was pressed twice within a very short time. Bug fixed.