• Introduction
• Known current problems
• Perple_X on Github
• Mar 26, 2025: Perple_X 7.1
• May  9, 2023: Perple_X 7.0
• Dec  2, 2022: Perple_X 6.9.0/6.9.1 Modifications/BUGS
• Feb  1, 2021: Perple_X 6.9.1 Beta Version
• Jan 11, 2021: Perple_X 6.9.0 Modifications/BUGS
• May  3, 2020: Perple_X 6.9.0
• Apr 15, 2020: Perple_X_6.8.9 Modifications/BUGS
• Jan  8, 2020: Perple_X 6.8.9
• Jan  8, 2020: Perple_X_6.8.8 Modifications/BUGS
• Dec  3, 2019: Perple_X_6.8.8
• Nov 18, 2019: Perple_X_6.8.7 Modifications/BUGS
• Jun 18, 2019: Perple_X_6.8.7
• Jun 15, 2019: Perple_X_6.8.6 Modifications/BUGS
• Jan 24, 2019: Perple_X_6.8.6
• Jan 9, 2019: Perple_X_6.8.5 Modifications/BUGS
• Oct 21, 2018: Perple_X_6.8.5
• Sep 22, 2018: Perple_X_6.8.4 Modifications/BUGS
• Sep 20, 2018: Perple_X_6.8.4
• Sep 6, 2018: Perple_X 6.8.3: Modifications/BUGS
• May 30, 2018: Perple_X 6.8.3
• May 24, 2018: Perple_X 6.8.2: Modifications/BUGS
• May 17, 2018: Perple_X 6.8.2
• May 13, 2018: Perple_X 6.8.1: Modifications/BUGS
• Dec 18, 2017: Perple_X 6.8.1
• Dec  3, 2017: Perple_X 6.8.0 BUGS
• Oct 20, 2017: Perple_X 6.8.0
• Sep 28, 2017: Perple_X 6.7.9: BUGS/modifications
• Sep 13, 2017: Perple_X 6.7.9: Aqueous electrolyte data file corrections
• Jul 13, 2017: Perple_X 6.7.9: Electrolyte Solution Models
• Jul 11, 2017: Perple_X 6.7.8 B-o-D report
• May 30, 2017: Perple_X 6.7.8
• Mar 24, 2017: Perple_X 6.7.6-7 BUGS and explanations
• Mar 20, 2017: Perple_X 6.7.7
• Feb  6, 2017: Perple_X 6.7.6
• Jan  9, 2017: Perple_X 6.7.5 BUG
• Dec 29, 2016: Perple_X 6.7.5 BUGS
• Dec 21, 2016: Perple_X 6.7.5 BUG
• Dec  7, 2016: Perple_X 6.7.5, debugged Green et al. (2016) solution models
• Nov 28, 2016: solution model/Perple_X bugs
• Nov  4, 2016: Perple_X 6.7.4 modifications
• Oct 27, 2016: Perple_X 6.7.4 solution model bugs.
• Oct 16, 2016: Perple_X 6.7.4 BUGS!
• Oct  6, 2016: Perple_X 6.7.4
• Sep  5, 2016: T_melt bug
• Jul 19, 2016: Corrections/modifications
• Jun  9, 2016: Aqueous Species EoS and Data
• Jun  8, 2016: Corrections/modifications
• Apr 20, 2016: Perple_X 6.7.3
• Apr 12, 2016: Corrections/modifications
• Dec 17, 2015: Jennings & Holland mantle melt model, etc
• Dec  1, 2015: b89ver.dat/b92ver.dat/ba98ver.dat format error, adds koma06ver.dat
• Nov 24, 2015: Corrections/modifications
• Oct 30, 2015: Corrections/modifications
• Oct  8, 2015: sup92ver.dat format error
• Aug 18, 2015: cr_hp02ver.dat corrections
• Jul 15, 2015: Perple_X 6.7.2 bugs
• Jul 13, 2015: Modifications
• Jun  9, 2015: Perple_X 6.7.2 bugs
• Jun  7, 2015: Perple_X 6.7.2
• May 17, 2015: Machine precision bug
• Apr 11, 2015: Corrections/modifications
• Apr  3, 2015: WERAMI/PSEoS bugs
• Mar  5, 2015: Modifications/corrections
• Dec 10, 2014: Modifications/corrections
• Sep 18, 2014: WERAMI bug 6.6.8-6.7.1; Perple_X 6.7.1
• Aug 14, 2014: Paralyzer Upgrade
• Aug 13, 2014: Perple_X 6.7.1 Beta Version
• Jul  2, 2014: Perple_X 6.6.9/6.7.0 bug
• Jun  2, 2014: Perple_X 6.7.0 bug
• May  5, 2014: Perple_X 6.7.0
• Mar  7, 2014: Perple_X 6.6.9
• Nov  6, 2013: CTRANSF bug
• Oct 29, 2013: Antigorite and H2O-CO2-NaCl solution models, minor bug
• Oct  6, 2013: Compiled MATLAB scripts, FRENDLY bug
• Jul 18, 2013: OSX Apps
• Jul 11, 2013: kel04ver.dat
• Jun 26, 2013: Sapp(TP)
• Jun 19, 2013: Ilm(WPH) error
• Jun 16, 2013: Ilm(WPH) and Pitzer & Sterner H2O-CO2 EoS errors
• Jun  4, 2013: Pitzer & Sterner fluid EoS variable name. WERAMI/MEEMUM output format.
• May 30, 2013: hpha02ver.dat
• Apr 29, 2013: WERAMI bug, MatLab plotting script modification
• Apr 22, 2013: WERAMI simplified compositional criteria
• Feb  6, 2013: VERTEX/MEEMUM bug
• Feb  4, 2013: WERAMI output bug
• Jan 17, 2013: LINUX/OSX gfortran version bug
• Jan 13, 2013: Modifications
• Jan  4, 2013: WERAMI "all properties" output bug
• Dec 29, 2012: Modifications
• Nov 24, 2012: IMPORTANT changes for order-disorder solution models
• Nov 22, 2012: Changes in perplex_option.dat
• Nov 12, 2012: VERTEX/MEEMUM/WERAMI bug
• Nov  8, 2012: VERTEX bugs
• Oct 24, 2012: Perple_X 6.6.8 source inconsistency
• Oct 23, 2012: X(O)-X(C) fluid EoS #20, sulfur fugacity prompt
• Oct 21, 2012: Thermodynamic data file errors
• Oct 15, 2012: FLUIDS tabulated output bug
• Oct  5, 2012: Landau and Bragg-Williams bugs for the Holland & Powell (2011) database. 
• Jul 25, 2012: Perple_X 6.6.8
• Jun 12, 2012: Minor changes
• May 31, 2012: reach_increment_switch keyword
• May 21, 2012: C-O-H-S-N fluid speciation bug and various modifications.
• Apr 17, 2012: 1d phase fractionation file name bug and silicate fluid EoS
• Mar 26, 2012: minor bugs and changes
• Mar  7, 2012: Change in K21 parameter value
• Feb 29, 2012: Seismic wave speed bug, WINDOWS parallel versions
• Feb 17, 2012: Perple_X 6.6.7
• Jan 14, 2012: FRENDLY thermodynamic data output bug; VERTEX/WERAMI high pressure EoS bug
• Dec 18, 2011: VERTEX/MEEMUM/WERAMI bugs, Holland & Powell (2011) data base 
• Nov 21, 2011: WERAMI all properties option (#36) bug
• Oct 31, 2011: Diener et al. (2011) revised amphibole/omphacite models; Ilm(WPH) model corrections
• Oct 26, 2011: FRENDLY and FLUIDS bugs; Smye et al. (2010) make definitions; Gt(WPPH) and Gt(WPH) models
• Oct 14, 2011: Parameter errors in the Diener et al. (2007) clinoamphibole model [cAmph(DP)]
• Oct  8, 2011: WERAMI solvus compositional criterion bug
• Sep 28, 2011: Maximum number of make definitions increased
• Sep 20, 2011: Mn-Fe3+ solution models from Smye et al. (2010)
• Aug 26, 2011: PSTABLE bug, kel04ver.dat file update
• Aug 13, 2011: MEEMUM and WERAMI modifications
• Jul  6, 2011: Perple_X 6.6.6 has replaced Perple_X 07
• April 2003 through June 2011 updates
• Updates Prior to April 2003

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