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versions-history.tex
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\documentclass[a4paper]{book}
\usepackage{fullpage}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{amsfonts}
\newcommand{\feature}[1]{{\em #1}}
\begin{document}
\begin{center}
\begin{huge}
A history of Coq versions
\end{huge}
\end{center}
\bigskip
\centerline{\large 1984-1989: The Calculus of Constructions}
\bigskip
\centerline{\large (see README.V1-V5 for details)}
\mbox{}\\
\mbox{}\\
\begin{tabular}{l|l|l}
version & date & comments \\
\hline
CONSTR V1.10& mention of dates from 6 December & \feature{type-checker for Coquand's Calculus }\\
& 1984 to 13 February 1985 & \feature{of Constructions}, implementation \\
& frozen 22 December 1984 & language is a predecessor of CAML\\
CONSTR V1.11& mention of dates from 6 December\\
& 1984 to 19 February 1985 (freeze date) &\\
CoC V2.8& dated 16 December 1985 (freeze date)\\
CoC V2.9& & \feature{cumulative hierarchy of universes}\\
CoC V2.13& dated 25 June 1986 (freeze date)\\
CoC V3.1& started summer 1986 & \feature{AUTO tactic}\\
& dated 20 November 1986 & implementation language now named CAML\\
CoC V3.2& dated 27 November 1986\\
CoC V3.3& dated 1 January 1987 & creation of a directory for examples\\
CoC V3.4& dated 1 January 1987 & \feature{lambda and product distinguished in the syntax}\\
CoC V4.1& dated 24 July 1987 (freeze date)\\
CoC V4.2& dated 10 September 1987\\
CoC V4.3& dated 15 September 1987 & \feature{mathematical vernacular toplevel}\\
& frozen November 1987 & \feature{section mechanism}\\
& & \feature{logical vs computational content (sorte Spec)}\\
& & \feature{LCF engine}\\
CoC V4.4& dated 27 January 1988 & \feature{impredicatively encoded inductive types}\\
& frozen March 1988\\
CoC V4.5 and V4.5.5& dated 15 March 1988 & \feature{program extraction}\\
& demonstrated in June 1988\\
CoC V4.6& dated 1 September 1988 & start of LEGO fork\\
CoC V4.7& started 6 September 1988 \\
CoC V4.8& dated 1 December 1988 (release time) & \feature{floating universes}\\
CoC V4.8.5& dated 1 February 1989 & \\
CoC V4.9& dated 1 March 1989 (release date)\\
CoC V4.10 and 4.10.1& dated 1 May 1989 & released with documentation in English\\
\end{tabular}
\bigskip
\noindent Note: CoC above stands as an abbreviation for {\em Calculus of
Constructions}, official name of the system.
\bigskip
\bigskip
\newpage
\centerline{\large 1989-now: The Calculus of Inductive Constructions}
\mbox{}\\
\centerline{I- RCS archives in Caml and Caml-Light}
\mbox{}\\
\mbox{}\\
\begin{tabular}{l|l|l}
version & date & comments \\
\hline
Coq V5.0 & headers dated 1 January 1990 & internal use \\
& & \feature{inductive types with primitive recursor}\\
Coq V5.1 & ended 12 July 1990 & internal use \\
Coq V5.2 & log dated 4 October 1990 & internal use \\
Coq V5.3 & log dated 12 October 1990 & internal use \\
Coq V5.4 & headers dated 24 October 1990 & internal use, new \feature{extraction} (version 1) [3-12-90]\\
Coq V5.5 & started 6 December 1990 & internal use \\
Coq V5.6 beta & 1991 & first announce of the new Coq based on CIC \\
& & (in May at TYPES?)\\
& & \feature{rewrite tactic}\\
& & use of RCS at least from February 1991\\
Coq V5.6& 7 August 1991 & \\
Coq V5.6 patch 1& 13 November 1991 & \\
Coq V5.6 (last) & mention of 27 November 1992\\
Coq V5.7.0& 1992 & translation to Caml-Light \footnotemark\\
Coq V5.8& 12 February 1993 & \feature{Program} (version 1), \feature{simpl}\\
& & has the xcoq graphical interface\\
& & first explicit notion of standard library\\
& & includes a MacOS 7-9 version\\
Coq V5.8.1& released 28 April 1993 & with xcoq graphical interface and MacOS 7-9 support\\
Coq V5.8.2& released 9 July 1993 & with xcoq graphical interface and MacOS 7-9 support\\
Coq V5.8.3& released 6 December 1993 % Announce on coq-club
& with xcoq graphical interface and MacOS 7-9 support\\
& & 3 branches: Lyon (V5.8.x), Ulm (V5.10.x) and Rocq (V5.9)\\
Coq V5.9 alpha& 7 July 1993 &
experimental version based on evars refinement \\
& & (merge from experimental ``V6.0'' and some pre-V5.8.3 \\
& & version), not released\\
& March 1994 & \feature{tauto} tactic in V5.9 branch\\
Coq V5.9 & 27 January 1993 & experimental version based on evars refinement\\
& & not released\\
\end{tabular}
\bigskip
\bigskip
\footnotetext{archive lost?}
\newpage
\centerline{II- Starting with CVS archives in Caml-Light}
\mbox{}\\
\mbox{}\\
\begin{tabular}{l|l|l}
version & date & comments \\
\hline
Coq V5.10 ``Murthy'' & 22 January 1994 &
introduction of the ``DOPN'' structure\\
& & \feature{eapply/prolog} tactics\\
& & private use of cvs on madiran.inria.fr\\
Coq V5.10.1 ``Murthy''& 15 April 1994 \\
Coq V5.10.2 ``Murthy''& 19 April 1994 & \feature{mutual inductive types, fixpoint} (from Lyon's branch)\\
Coq V5.10.3& 28 April 1994 \\
Coq V5.10.5& dated 13 May 1994 & \feature{inversion}, \feature{discriminate}, \feature{injection} \\
& & \feature{type synthesis of hidden arguments}\\
& & \feature{separate compilation}, \feature{reset mechanism} \\
Coq V5.10.6& dated 30 May 1994\\
Coq Lyon's archive & in 1994 & cvs server set up on woodstock.ens-lyon.fr\\
Coq V5.10.9& announced on 17 August 1994 &
% Announced by Catherine Parent on coqdev
% Version avec une copie de THEORIES pour les inductifs mutuels
\\
Coq V5.10.11& announced on 2 February 1995 & \feature{compute}\\
Coq Rocq's archive & on 16 February 1995 & set up of ``V5.10'' cvs archive on pauillac.inria.fr \\
& & with first dispatch of files over src/* directories\\
Coq V5.10.12& dated 30 January 1995 & on Lyon's cvs\\
Coq V5.10.13& dated 9 June 1995 & on Lyon's cvs\\
Coq V5.10.14.OO& dated 30 June 1995 & on Lyon's cvs\\
Coq V5.10.14.a& announced 5 September 1995 & bug-fix release \\ % Announce on coq-club by BW
Coq V5.10.14.b& released 2 October 1995 & bug-fix release\\
& & MS-DOS version released on 30 October 1995\\
% still available at ftp://ftp.ens-lyon.fr/pub/LIP/COQ/V5.10.14.old/ in May 2009
% also known in /net/pauillac/constr archive as ``V5.11 old'' \\
% A copy of Coq V5.10.15 dated 1 January 1996 coming from Lyon's CVS is
% known in /net/pauillac/constr archive as ``V5.11 new old'' \\
Coq V5.10.15 & released 20 February 1996 & \feature{Logic, Sorting, new Sets and Relations libraries} \\
% Announce on coq-club by BW
% dated 15 February 1996 and bound to pauillac's cvs in /net/pauillac/constr archive
& & MacOS 7-9 version released on 1 March 1996 \\ % Announce on coq-club by BW
Coq V5.11 & dated 1 March 1996 & not released, not in pauillac's CVS, \feature{eauto} \\
\end{tabular}
\bigskip
\bigskip
\newpage
\centerline{III- A CVS archive in Caml Special Light}
\mbox{}\\
\mbox{}\\
\begin{tabular}{l|l|l}
version & date & comments \\
\hline
Coq ``V6'' archive & 20 March 1996 & new cvs repository on pauillac.inria.fr with code ported \\
& & to Caml Special Light (to later become Objective Caml)\\
& & has implicit arguments and coercions\\
& & has coinductive types\\
Coq V6.1beta& released 18 November 1996 & \feature{coercions} [23-5-1996], \feature{user-level implicit arguments} [23-5-1996]\\
& & \feature{omega} [10-9-1996] \\
& & \feature{natural language proof printing} (stopped from Coq V7) [6-9-1996]\\
& & \feature{pattern-matching compilation} [7-10-1996]\\
& & \feature{ring} (version 1, ACSimpl) [11-12-1996]\\
Coq V6.1& released December 1996 & \\
Coq V6.2beta& released 30 January 1998 & % Announced on coq-club 2-2-1998 by CP
\feature{SearchIsos} (stopped from Coq V7) [9-11-1997]\\
& & grammar extension mechanism moved to Camlp4 [12-6-1997]\\
& & \feature{refine tactic}\\
& & includes a Windows version\\
Coq V6.2& released 4 May 1998 & % Announced on coq-club 5-5-1998 by CP
\feature{ring} (version 2) [7-4-1998] \\
Coq V6.2.1& released 23 July 1998\\
Coq V6.2.2 beta& released 30 January 1998\\
Coq V6.2.2& released 23 September 1998\\
Coq V6.2.3& released 22 December 1998 & \feature{Real numbers library} [from 13-11-1998] \\
Coq V6.2.4& released 8 February 1999\\
Coq V6.3& released 27 July 1999 & \feature{autorewrite} [25-3-1999]\\
& & \feature{Correctness} (deprecated in V8, led to Why) [28-10-1997]\\
Coq V6.3.1& released 7 December 1999\\
\end{tabular}
\medskip
\bigskip
\newpage
\centerline{IV- New CVS, back to a kernel-centric implementation}
\mbox{}\\
\mbox{}\\
\begin{tabular}{l|l|l}
version & date & comments \\
\hline
Coq ``V7'' archive & August 1999 & new cvs archive based on J.-C. Filliâtre's \\
& & \feature{kernel-centric} architecture \\
& & more care for outside readers\\
& & (indentation, ocaml warning protection)\\
Coq V7.0beta& released 27 December 2000 & \feature{${\cal L}_{\mathit{tac}}$} \\
Coq V7.0beta2& released 2 February 2001\\
Coq V7.0& released 25 April 2001 & \feature{extraction} (version 2) [6-2-2001] \\
& & \feature{field} (version 1) [19-4-2001], \feature{fourier} [20-4-2001] \\
Coq V7.1& released 25 September 2001 & \feature{setoid rewriting} (version 1) [10-7-2001]\\
Coq V7.2& released 10 January 2002\\
Coq V7.3& released 16 May 2002\\
Coq V7.3.1& released 5 October 2002 & \feature{module system} [2-8-2002]\\
& & \feature{pattern-matching compilation} (version 2) [13-6-2002]\\
Coq V7.4& released 6 February 2003 & \feature{notation}, \feature{scopes} [13-10-2002]\\
\end{tabular}
\medskip
\bigskip
\centerline{V- New concrete syntax}
\mbox{}\\
\mbox{}\\
\begin{tabular}{l|l|l}
version & date & comments \\
\hline
Coq V8.0& released 21 April 2004 & \feature{new concrete syntax}, \feature{Set predicative}, \feature{CoqIDE} [from 4-2-2003]\\
Coq V8.0pl1& released 18 July 2004\\
Coq V8.0pl2& released 22 January 2005\\
Coq V8.0pl3& released 13 January 2006\\
Coq V8.0pl4& released 26 January 2007\\
Coq ``svn'' archive & 6 March 2006 & cvs archive moved to subversion control management\\
Coq V8.1beta& released 12 July 2006 & \feature{bytecode compiler} [20-10-2004] \\
& & \feature{setoid rewriting} (version 2) [3-9-2004]\\
& & \feature{functional induction} [1-2-2006]\\
& & \feature{Strings library} [8-2-2006], \feature{FSets/FMaps library} [15-3-2006] \\
& & \feature{Program} (version 2, Russell) [5-3-2006] \\
& & \feature{declarative language} [20-9-2006]\\
& & \feature{ring} (version 3) [18-11-2005]\\
Coq V8.1gamma& released 7 November 2006 & \feature{field} (version 2) [29-9-2006]\\
Coq V8.1& released 10 February 2007 & \\
Coq V8.1pl1& released 27 July 2007 & \\
Coq V8.1pl2& released 13 October 2007 & \\
Coq V8.1pl3& released 13 December 2007 & \\
Coq V8.1pl4& released 9 October 2008 & \\
Coq V8.2 beta1& released 13 June 2008 & \\
Coq V8.2 beta2& released 19 June 2008 & \\
Coq V8.2 beta3& released 27 June 2008 & \\
Coq V8.2 beta4& released 8 August 2008 & \\
Coq V8.2 & released 17 February 2009 & \feature{type classes} [10-12-2007], \feature{machine words} [11-5-2007]\\
& & \feature{big integers} [11-5-2007], \feature{abstract arithmetics} [9-2007]\\
& & \feature{setoid rewriting} (version 3) [18-12-2007] \\
& & \feature{micromega solving platform} [19-5-2008]\\
& & a first package released on
February 11 was incomplete\\
Coq V8.2pl1& released 4 July 2009 & \\
Coq V8.2pl2& released 29 June 2010 & \\
\end{tabular}
\medskip
\bigskip
\newpage
\mbox{}\\
\mbox{}\\
\begin{tabular}{l|l|l}
Coq V8.3 beta & released 16 February 2010 & \feature{MSets library} [13-10-2009] \\
Coq V8.3 & released 14 October 2010 & \feature{nsatz} [3-6-2010] \\
Coq V8.3pl1& released 23 December 2010 & \\
Coq V8.3pl2& released 19 April 2011 & \\
Coq V8.3pl3& released 19 December 2011 & \\
Coq V8.3pl3& released 26 March 2012 & \\
Coq V8.3pl5& released 28 September 2012 & \\
Coq V8.4 beta & released 27 December 2011 & \feature{modular arithmetic library} [2010-2012]\\
&& \feature{vector library} [10-12-2010]\\
&& \feature{structured scripts} [22-4-2010]\\
&& \feature{eta-conversion} [20-9-2010]\\
&& \feature{new proof engine available} [10-12-2010]\\
Coq V8.4 beta2 & released 21 May 2012 & \\
Coq V8.4 & released 12 August 2012 &\\
Coq V8.4pl1& released 22 December 2012 & \\
Coq V8.4pl2& released 4 April 2013 & \\
Coq V8.4pl3& released 21 December 2013 & \\
Coq V8.4pl4& released 24 April 2014 & \\
Coq V8.4pl5& released 22 October 2014 & \\
Coq V8.4pl6& released 9 April 2015 & \\
Coq V8.5 beta1 & released 21 January 2015 & \feature{computation via compilation to OCaml} [22-1-2013]\\
&& \feature{asynchonous evaluation} [8-8-2013]\\
&& \feature{new proof engine deployed} [2-11-2013]\\
&& \feature{universe polymorphism} [6-5-2014]\\
&& \feature{primitive projections} [6-5-2014]\\
Coq V8.5 beta2 & released 22 April 2015 & \feature{MMaps library} [4-3-2015]\\
\end{tabular}
\medskip
\bigskip
\newpage
\centerline{\large Other important dates}
\mbox{}\\
\mbox{}\\
\begin{tabular}{l|l|l}
version & date & comments \\
\hline
Lechenadec's version in C& mention of \\
& 13 January 1985 on \\
& some vernacular files\\
Set up of the coq-club mailing list & 28 July 1993\\
Coq V6.0 ``evars'' & & experimentation based on evars
refinement started \\
& & in 1991 by Gilles from V5.6 beta,\\
& & with work by Hugo in July 1992\\
Coq V6.0 ``evars'' ``light'' & July 1993 & Hugo's port of the first
evars-based experimentation \\
& & to Coq V5.7, version from October/November
1992\\
CtCoq & released 25 October 1995 & first beta-version \\ % Announce on coq-club by Janet
Proto with explicit substitutions & 1997 &\\
Coq web site & 15 April 1998 & new site designed by David Delahaye \\
Coq web site & January 2004 & web site new style \\
& & designed by Julien Narboux and Florent Kirchner \\
Coq web site & April 2009 & new Drupal-based site \\
& & designed by Jean-Marc Notin and Denis Cousineau \\
\end{tabular}
\end{document}