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