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updating release-readme

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2023-07-13 19:31:35 -07:00
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RELEASE_NOTES.md
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@ -12,7 +12,16 @@ Version 4.next
Version 4.12.3
==============
- Alpha support for polymorphism.
- SMTLIB3-ish, C, Python
It adds the new command `(declare-type-var A)` that declares a symbol (in this case `A`) globally as a polymorphic type variable.
The C API contains a new function `Z3_mk_type_variable` and a new enumeration case `Z3_TYPE_VAR` as a kind associated with sorts.
All occurrences of `A` are treated as type variables. A function declaration whose signature uses `A` is treated as a shorthand
for declarations of all functions that use instances of `A`.
Assertions that use type variables are shorthands for assertions covering all instantiations.
- Various (ongoing) performance fixes and improvements to smt.arith.solver=6
- A working version of solver.proof.trim=true option. Proofs logs created when using sat.smt=true may be trimmed by running z3
on the generated proof log using the option solver.proof.trim=true.
Version 4.12.2
==============