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update release notes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2020-09-10 04:05:08 -07:00
parent 1c7d27bdf3
commit ee00542e76
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15
RELEASE_NOTES
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@ -5,7 +5,6 @@ Version 4.8.next
- Planned features
- rewritten arithmetic solver replacing legacy arithmetic solver and on by default
- self-contained character theory, direct support for UTF8, Unicode character sets
- improvements to regular expression processing
- specialized solver support for QF_ABV and ABV based on lazy SMT and dual reduction
- the smtfd solver and tactic implement this strategy, but is not prime for users.
- introduction of simple induction lemmas to handle a limited repertoire of induction proofs.
@ -13,6 +12,20 @@ Version 4.8.next
option, but at this point does not translate into benefits. It is currently
turned off by default.
Version 4.8.9
=============
- New features
- significant improvements to regular expression solving
- expose user theory plugin. It is a leaner user theory plugin that was once available.
It allows for registering callbacks that react to when bit-vector and Boolean variables
receive fixed values.
- Bug fixes
- many
- Notes
- the new arithmetic theory is turned on by default. It _does_ introduce regressions on
several scenarios, but has its own advantages. Users can turn on the old solver by setting smt.arith.solver=2.
Depending on feedback, we may turn toggle this default setting again back to smt.arith.solver=2.
Version 4.8.8
=============
- New features