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  • About-ACL2

Release-notes

Pointers to what has changed

This section of the online documentation contains notes on the changes that distinguish successive released versions of ACL2.

Each topic note-x-y is a note describing what in ACL2 version X.Y was new in comparison to the preceding version of ACL2.

The current version of ACL2 is the value of the constant (@ acl2-version).

Subtopics

Note-2-8
ACL2 Version 2.8 (March, 2004) Notes
Note-2-7
ACL2 Version 2.7 (November, 2002) Notes
Note-8-6
ACL2 Version 8.6 (October, 2024) Notes
Note-8-2
ACL2 Version 8.2 (May, 2019) Notes
Note-7-0
ACL2 Version 7.0 (January, 2015) Notes
Note-8-5
ACL2 Version 8.5 (July, 2022) Notes
Note-8-3
ACL2 Version 8.3 (April, 2020) Notes
Note-8-1
ACL2 Version 8.1 (September, 2018) Notes
Note-8-0
ACL2 Version 8.0 (December, 2017) Notes
Note-7-1
ACL2 Version 7.1 (May, 2015) Notes
Note-6-4
ACL2 Version 6.4 (January, 2014) Notes
Note-2-9-3
ACL2 Version 2.9.3 (August, 2005) Notes
Note-2-9-1
ACL2 Version 2.9.1 (December, 2004) Notes
Note-8-4
ACL2 Version 8.4 (August, 2021) Notes
Note-7-2
ACL2 Version 7.2 (January, 2016) Notes
Note-6-5
ACL2 Version 6.5 (August, 2014) Notes
Note-4-0
ACL2 Version 4.0 (July, 2010) Notes
Note-2-9-2
ACL2 Version 2.9.2 (April, 2005) Notes
Note-3-6
ACL2 Version 3.6 (August, 2009) Notes
Note-3-3
ACL2 Version 3.3 (November, 2007) Notes
Note-3-2-1
ACL2 Version 3.2.1 (June, 2007) Notes
Note-3-0-1
ACL2 Version 3.0.1 (August, 2006) Notes
Note-2-9-5
Changes in Version 3.0 since Version 2.9.4
Note-2-5
ACL2 Version 2.5 (June, 2000) Notes
Note-1-5
Acl2 Version 1.5 Notes
Note-6-1
ACL2 Version 6.1 (February, 2013) Notes
Note-4-3
ACL2 Version 4.3 (July, 2011) Notes
Note-4-2
ACL2 Version 4.2 (January, 2011) Notes
Note-4-1
ACL2 Version 4.1 (September, 2010) Notes
Note-3-5
ACL2 Version 3.5 (May, 2009) Notes
Note-3-4
ACL2 Version 3.4 (August, 2008) Notes
Note-3-2
ACL2 Version 3.2 (April, 2007) Notes
Note-3-0-2
ACL2 Version 3.0.2 (December, 2006) Notes
Note-2-9-4
ACL2 Version 2.9.4 (February, 2006) Notes
Note-2-9
ACL2 Version 2.9 (October, 2004) Notes
Note-1-8
ACL2 Version 1.8 (May, 1995) Notes
Note-1-7
ACL2 Version 1.7 (released October 1994) Notes
Note-1-6
Acl2 Version 1.6 Notes
Note-1-4
Acl2 Version 1.4 Notes
Note-1-3
Acl2 Version 1.3 Notes
Note-7-4
ACL2 Version 7.4 (March, 2017) Notes
Note-7-3
ACL2 Version 7.3 (December, 2016) Notes
Note-6-3
ACL2 Version 6.3 (October, 2013) Notes
Note-6-2
ACL2 Version 6.2 (June, 2013) Notes
Note-6-0
ACL2 Version 6.0 (December, 2012) Notes
Note-5-0
ACL2 Version 5.0 (August, 2012) Notes
Note-8-7
ACL2 Version 8.7 (xxx, 20xx) Notes
Note-1-9
ACL2 Version 1.9 (Fall, 1996) Notes
Note-2-2
ACL2 Version 2.2 (August, 1998) Notes
Note-1-8-update
ACL2 Version 1.8 (Summer, 1995) Notes
Note-3-5(r)
ACL2 Version 3.5(r) (May, 2009) Notes
Note-2-3
ACL2 Version 2.3 (October, 1998) Notes
Release-notes-books
Pointers to what has changed in the community books
Note-3-6-1
ACL2 Version 3.6.1 (September, 2009) Notes
Note-1-2
Acl2 Version 1.2 Notes
Note-2-4
ACL2 Version 2.4 (August, 1999) Notes
Note-2-6
ACL2 Version 2.6 (November, 2001) Notes
Note-2-0
ACL2 Version 2.0 (July, 1997) Notes
Note-3-0
ACL2 Version 3.0 (June, 2006) Notes
Note-3-2(r)
ACL2 Version 3.2(r) (April, 2007) Notes
Note-2-7(r)
ACL2 Version 2.7(r) (November, 2002) Notes
Note-1-1
Acl2 Version 1.1 Notes
Note-3-4(r)
ACL2 Version 3.4(r) (August, 2008) Notes
Note-3-1
ACL2 Version 3.1 (December, 2006) Notes
Note-2-8(r)
ACL2 Version 2.8(r) (March, 2003) Notes
Note-2-1
ACL2 Version 2.1 (December, 1997) Notes
Note-2-9(r)
ACL2 Version 2.9(r) (October, 2004) Notes
Note-2-6(r)
ACL2 Version 2.6(r) (November, 2001) Notes
Note-3-1(r)
ACL2 Version 3.1(r) (December, 2006) Notes
Note-3-0(r)
ACL2 Version 3.0(r) (June, 2006) Notes
Note-3-0-1(r)
ACL2 Version 3.0.1(r) (August, 2006) Notes
Note-2-5(r)
ACL2 Version 2.5(r) (June, 2000) Notes
Note-4-3(r)
ACL2 Version 4.3(r) (July, 2011) Notes
Note-4-2(r)
ACL2 Version 4.2(r) (January, 2011) Notes
Note-4-1(r)
ACL2 Version 4.1(r) (September, 2010) Notes
Note-4-0(r)
ACL2 Version 4.0(r) (July, 2010) Notes
Note-3-6(r)
ACL2 Version 3.6(r) (August, 2009) Notes
Note-3-3(r)
ACL2 Version 3.3(r) (November, 2007) Notes
Note-3-2-1(r)
ACL2 Version 3.2.1(r) (June, 2007) Notes