F* v2025.02.17

What's Changed

• Some refactoring, and tidying up libraries during build by @mtzguido in #3722
• Normalizer: making delta attributes compose by @mtzguido in #3723
• test.mk: Make sure to be silent on error output tests by @mtzguido in #3724
• Nits by @mtzguido in #3726
• Tactics: introduce postprocess_type by @mtzguido in #3725
• Nits by @mtzguido in #3728
• src: move FStarC.Interactive.* into src/interactive by @mtzguido in #3729
• Misc by @mtzguido in #3730
• Pretty-print SMT queries by @gebner in #3679
• Misc dep improvements by @mtzguido in #3731
• release.yml: Use annotated tags by @mtzguido in #3733
• fix ulibfs to use FStar_Pervasives_Native.option by @nikswamy in #3735
• Introducing FStar.Prelude, removing special casing for Prims/Pervasives internally by @mtzguido in #3732
• Remove Prims.array by @mtzguido in #3734
• rlimit by @mtzguido in #3736
• FStar.Math.Euclid: stabilize proof by @mtzguido in #3737
• Fix #3738 by @mtzguido in #3739
• Nits by @mtzguido in #3742
• FStarC.Range: do no try to find files when printing ranges by @mtzguido in #3740
• nit: Use projector/discriminator syntax instead of internal names by @mtzguido in #3743
• Nits by @mtzguido in #3744
• Tc: do not disable admit for splice_t by @mtzguido in #3747
• Resugar: fix bug for infix ops with implicits by @mtzguido in #3748
• NormSteps: fix delta_qualifier definition, was completely wrong by @mtzguido in #3749
• Dep: do not look at .fs/.fsi files by @mtzguido in #3746
• Nits by @mtzguido in #3750
• Fix build, and fix branch protection by @mtzguido in #3754
• Context pruning is set by default by @nikswamy in #3752
• Simplifying command-line usage of F* by @mtzguido in #3753
• IntN: add a fits for every module by @mtzguido in #3751
• Add everquic-crypto to check-world by @mtzguido in #3756
• FStarC.Timing: split timing funs away from FStarC.Util by @mtzguido in #3759
• FStarC.Range: always use basenames by @mtzguido in #3758
• Tc: binder attributes should not trigger instantiations by @mtzguido in #3761
• Tc: fix implicit vs explicit check by @mtzguido in #3762
• Parser: tweak error_message type for extension parsers by @mtzguido in #3763
• Parser: tweak grammar to expose a rule useful to Pulse by @mtzguido in #3764
• Introduce -o option, subsuming --krmloutput and --output_deps_to, and also location for checked and extracted files by @mtzguido in #3766
• Options: fix doc in --cache_checked_modules by @mtzguido in #3767
• Adding attributes to projectors, discriminators, and methods by @mtzguido in #3760
• Makefile: only use dune --release on release builds by @mtzguido in #3768
• Warn on nonexisting --include by @mtzguido in #3769
• Nits by @mtzguido in #3770
• Introduce .scripts/remove_unused_opens.sh by @mtzguido in #3755
• Extraction: respect -o option, plus cleanups by @mtzguido in #3773
• Revert "Makefile: only use dune --release on release builds" by @mtzguido in #3774
• Bump version number by @mtzguido in #3775

Full Changelog: v2025.02.06...v2025.02.17

F* v2025.02.06

What's Changed

• Making sure tactic errors respect error range bound by @mtzguido in #3687
• FStar.Issue: exposing doc_of_issue by @mtzguido in #3688
• Some build nits by @mtzguido in #3695
• FStarC.Util: make sure executable_name and exec_dir point to concrete… by @mtzguido in #3697
• Misc patches for error reporting by @mtzguido in #3701
• Makefile: macos compatibility by @mtzguido in #3702
• Fixed Z3 version check again by @Johanmyst in #3700
• Allow use_hints even when context_pruning is set by @nikswamy in #3703
• build: simplify, coallescing src/ml/full into ulib/ml/plugin, move src/ml/bare -> src/ml by @mtzguido in #3708
• lib.mk: include most FStar.Class modules by @mtzguido in #3709
• Options.Ext: refactor, and allow turning off boolean extensions by se… by @mtzguido in #3710
• Nik remove admit by @nikswamy in #3711
• workflow: nix: disable soon-to-eol magic Nix cache by @mtzguido in #3707
• Allow recording partial hints, make --record_hints settable by @mtzguido in #3704
• nit in error message, use docs by @mtzguido in #3713
• Tactics.Print: fix namedv_to_string by @mtzguido in #3715
• Improving errors when checking qualifiers, respecting no_auto_projector_decls by @mtzguido in #3716
• Misc cleanups by @mtzguido in #3717
• Error message tweaks by @mtzguido in #3718
• Makefile/package fixes by @mtzguido in #3719
• Some fixes in support of Pulse errors by @mtzguido in #3720
• Bump version number by @mtzguido in #3721

Full Changelog: v2025.01.17...v2025.02.06

F* v2025.01.17

What's Changed

• Remove FStar.Ghost.Pull by @gebner in #3636
• Staged build, new CI, new packaging by @mtzguido in #3637
• nix: exposing ocamlPackages as before by @mtzguido in #3662
• Makefile/opam fixes by @mtzguido in #3663
• mk: removing extraneous .ml files after extracting by @mtzguido in #3664
• Build improvements by @mtzguido in #3667
• ci.yml: run for merge queue by @mtzguido in #3668
• Tc: prevent reset of -d across modules by @mtzguido in #3669
• check-friends: restoring main repos by @mtzguido in #3670
• Errors: Introducing '--message_format github', for github actions by @mtzguido in #3553
• src: Fix VS code config to match Makefile by @mtzguido in #3673
• Preparing for a native Windows build by @mtzguido in #3674
• Misc build improvements by @mtzguido in #3675
• Improvements to --dep graph by @mtzguido in #3411
• Refresh hints by @mtzguido in #3676
• Improving Cygwin support by @mtzguido in #3642
• Detecting GITHUB_ENV and autoprinting github messages by @mtzguido in #3671
• Add an UnfoldOnce/delta_once normalizer step by @mtzguido in #3626
• Building a Windows package by @mtzguido in #3677
• Disable windows build, it amazingly already failed by @mtzguido in #3678
• src: Renaming FStarC.Compiler.* -> FStarC.* by @mtzguido in #3666
• Removing hints from the repo by @nikswamy in #3680
• Core: debug nits by @mtzguido in #3683
• Windows build (with self-hosted runner) by @mtzguido in #3684
• Bump version to 2025.01.17 by @mtzguido in #3685

Full Changelog: v2025.01.07...v2025.01.17

v2025.01.07

This F* release supports using Z3 4.13.3 (though this is opt-in and the default is Z3 4.8.5 still). Both Z3 versions are packaged and ready to use.

What's Changed

• Merge F* branch used by EverParse Windows releases (empty PR) by @tahina-pro in #3623
• FStar.Seq.Permutation: stabilize proof by @mtzguido in #3625
• Some normalizer cleanups by @mtzguido in #3624
• --ocamlenv: fix for Windows, cannot use exec by @mtzguido in #3627
• ci: install z3 4.13.3 as well by @mtzguido in #3629
• Disable Div test on Windows by @tahina-pro in #3630
• Added FILELINE and it's test file by @briangmilnes in #3597
• SMT: lazy z3 start, do not start process until we need to ask a query by @mtzguido in #3634
• SMT: fix suggestions about Z3 install by @mtzguido in #3635
• Added missing bij_comp to FStar.Functions.fst* by @briangmilnes in #3633
• Upgrade F* to use Z3 4.13.3 by @nikswamy in #3631
• Add an interface to FStarC.Common by @mtzguido in #3639
• Print a suggestion for a common Windows footgun by @mtzguido in #3640
• Remove squash axioms. by @gebner in #3638
• Adapt CI to the new official Windows opam 2.3 by @tahina-pro in #3641
• Support get_fstar_z3.sh on macos by @gebner in #3646
• Options: print the option's help when arguments are wrong by @mtzguido in #3649
• Introduce --locate_file to ask F* for the location of modules or checked files by @mtzguido in #3650
• Dep: a few tweaks by @mtzguido in #3651
• Dep: revert sorting by @mtzguido in #3654
• Fixes to check-world, and a nightly build by @mtzguido in #3653
• SMTEncoding: prevent hash inconsistencies due to filepaths by @mtzguido in #3652
• Advance to 2025.01.06~dev by @dzomo in #3656
• Fixes for release by @mtzguido in #3657
• nix: enable more systems (e.g. MacOS) by @W95Psp in #3658

Full Changelog: v2024.12.03...v2025.01.07

v2024.12.03

What's Changed

• SMT context pruning by @nikswamy in #3440
• fix: use more precise types for move_requires_* by @TWal in #3449
• Misc by @mtzguido in #3451
• Improving internal error API by @mtzguido in #3453
• src: use fstar.include by @mtzguido in #3454
• A fix in tactics, do not set uvar_subtyping=false so eagerly by @mtzguido in #3446
• Extraction.Krml: properly detect mem type, it does not have an argument by @mtzguido in #3455
• Add normalization step for tactics. by @gebner in #3460
• Nits by @mtzguido in #3461
• Fix 3462 by @mtzguido in #3467
• Pretty-print ML extraction terms. by @gebner in #3468
• Extraction.Krml: pretty printing by @mtzguido in #3470
• Tweaks to default pretty instances. by @gebner in #3471
• Extraction.Krml: pp patterns by @mtzguido in #3472
• Fixing #3474: making sure module names match filenames in case by @mtzguido in #3478
• Moving prims.fst to Prims.fst by @mtzguido in #3479
• Warn on missing pop options by @mtzguido in #3480
• Adding #show-options to print current option flags by @mtzguido in #3481
• Extraction: print mllb_attrs by @mtzguido in #3482
• tactics: move concatMap to FStar.Tactics.Util by @mtzguido in #3483
• ulib: move hints to separate directory by @mtzguido in #3452
• Introduce doc/ref for development notes, document a bit about coercions by @mtzguido in #3484
• Resugar: make sure to compress before checking for machine integers by @mtzguido in #3486
• Errors: implementing error bound by @mtzguido in #3487
• Misc tactic improvements by @mtzguido in #3489
• dune tweaks: no cmt and no bytecode by @mtzguido in #3457
• Restore bytecode fstarlib by @msprotz in #3495
• A comment about bytecode version of fstar-lib by @mtzguido in #3497
• check-world: run hacl on github runners, avoid stupid uid issue by @mtzguido in #3499
• Arrow one by @mtzguido in #3500
• Some tactics and MkProjectors improvements by @mtzguido in #3501
• check-world: some documentation by @mtzguido in #3502
• Add message format cli option by @W95Psp in #3491
• Add extract_as attribute. by @gebner in #3466
• Bump dune version dependency. by @gebner in #3503
• Revise the SMT encoding of top-level prop definitions by @nikswamy in #3505
• Main: Add --list_plugins option by @mtzguido in #3506
• Improve publishing Nuget properties by @kant2002 in #3488
• Add a cast from size_t to uint64_t by @tahina-pro in #3507
• Main: adding --locate, --locate_lib, --locate_ocaml by @mtzguido in #3509
• Fix library finding in binary package by @mtzguido in #3512
• Util: fix mkdir for trailing slashes by @mtzguido in #3514
• A better error when z3 cannot be started by @mtzguido in #3517
• Reset gensym for predictable names and better query caching by @nikswamy in #3515
• Fixing mistaken erasure of effectful type applications by @nikswamy in #3518
• Represent implicits as a tree instead of a list to make conjoining them constant time by @nikswamy in #3521
• Desugaring: simplify desugaring for App, and respect textual order by @mtzguido in #3523
• Some nits by @mtzguido in #3524
• Some fixes in range module by @mtzguido in #3525
• Nits by @mtzguido in #3526
• Options: display short options in help, introduce -d for general debugging info by @mtzguido in #3527
• check-world: add mls-star by @mtzguido in #3513
• Fixing #3530 by @mtzguido in #3531
• Many fixes to resugaring by @mtzguido in #3532
• Autoload extension plugins by @mtzguido in #3533
• Options: --already_cached should not consider the current module by @mtzguido in #3529
• Makefile: fix clean rule by @mtzguido in #3535
• Some improvements wrt to plugins by @mtzguido in #3537
• Introducing a generic catenable list by @mtzguido in #3538
• Tc: make other components of guards also catenable lists by @mtzguido in #3539
• ulib: reducing some warnings by @mtzguido in #3540
• Improving a few errors by @mtzguido in #3541
• Extraction: not extracting tactics unless backend is Plugin by @mtzguido in #3542
• Do not print reveal or hide by default when resugaring by @nikswamy in #3544
• Update hints by @mtzguido in #3546
• Make the default effect in --MLish configurable by @mtzguido in #3548
• Parser.Dep: emitting a small header in the .depend by @mtzguido in #3550
• Tidying up a bit of FStar.All and FStar.Compiler.Effect by @mtzguido in #3551
• Make FStar.IO an interface by @mtzguido in #3552
• Revert "CI: point karamel to patched branch" by @mtzguido in #3554
• Preparing to use this F* as stage0 by @mtzguido in #3555
• ulib: move a type into stubs by @mtzguido in #3556
• Moving compiler sources into the FStarC namespace by @mtzguido in #3557
• Fix restricted open for constructors of type with indices by @W95Psp in #3558
• Restricted open: fix shadowing by @W95Psp in #3559
• fix(pp): char and string literals by @W95Psp in #3561
• Fix some missing branches for ShowOptions by @mtzguido in #3562
• Tactics: refactor a bit to avoid a cycle by @mtzguido in #3563
• Some refactoring about include paths, finding, locate, etc by @mtzguido in #3564
• Introduce --ocamlenv by @mtzguido in #3565
• Class.Show: remove dependency on Printable by @mtzguido in #3566
• Revert "Parser.Dep: remove wrong logic for FStar.Stubs" by @mtzguido in #3567
• Some library reorg by @mtzguido in #3569
• fix(check-world): only update F* for Comparse, DY* and MLS* by @TWal in #3568
• Loading plugins from the output dir too. by @mtzguido in #3570
• Small perf improvements, also fixing order dependency of qualifiers by @mtzguido in #3571
• Some nits by @mtzguido in #3573
• Fixing #3024 by @mtzguido in #3575
• Fix some quadratic name lookup behavior by @nikswamy in #3579
• tests: rework makefiles by @mtzguido in #3578
• tests: Makefile patch to make sure we disable hints for one file by @mtzguido in #3580
• Introducing --ocamlc and --ocamlc_plugin by @mtzguido in #3581
• Moving FStar.Pprint into the (normal, application) library by @mtzguido in #3582
• fstar: rename --ocamlc to --ocamlopt, add --ocamlc for bytecode by @mtzguido in #3583
• Tactics: fix V1.Logic by @mtzguido in #3584
• Delay snapshotting of desugaring environment by @nikswamy in #3585
• Optimize name resolution in desugaring by @nikswamy in https://github.com/FStarLang/F...

v2024.09.05

What's Changed

• Extraction nits by @mtzguido in #3380
• Introduce --read_checked_file option by @mtzguido in #3381
• git protocol deprecated, use https instead by @LukeXuan in #3379
• Misc debugging nits by @mtzguido in #3383
• Debug: print stack dump on SIGINT when --trace_error by @mtzguido in #3384
• Misc nits by @mtzguido in #3386
• extraction: reexport mlexpr_to_string by @mtzguido in #3387
• Normalizer: ditch inline_closure_env, use a lazy substitution by @mtzguido in #3385
• prims: bump checked file version by @mtzguido in #3389
• Parser: introduce seq![1;2;3] for sequence literals by @mtzguido in #3390
• extraction: fix missing cases in mlpattern_to_string by @mtzguido in #3391
• AST: fix ast comparison, handle ListLiteral and SeqLiteral by @mtzguido in #3392
• Postpone checking of ModifiesGen by @mtzguido in #3393
• Fix Makefile by @mtzguido in #3394
• Tc: improving error for mistaking fields in a record by @mtzguido in #3395
• LowStar.Monotonic.Buffer: mark loc erasable by @mtzguido in #3396
• FStar.fst.config.json: make sure to use this fstar.exe by @mtzguido in #3398
• Normalizer: introduce DontUnfoldAttr, discard UnfoldTac by @mtzguido in #3399
• Tactics: remove canon tests from ulib/, place in new tests/ by @mtzguido in #3401
• Reflection: V2: support Equality qualifier for binders by @mtzguido in #3403
• actions/docker: reworking ci to just run make ci-post by @mtzguido in #3404
• Optimizing CI by @mtzguido in #3405
• Deps by @mtzguido in #3407
• normalizer: a fix for a plugin returned by a function by @mtzguido in #3409
• Revert "UInt128: break dependency on FStar.Int.Cast" by @mtzguido in #3410
• Misc improvements in library by @mtzguido in #3412
• Refactoring implicit instantiation by @mtzguido in #3413
• A bit more refactor by @mtzguido in #3414
• Using monoids for tc guards in TcTerm by @mtzguido in #3416
• Tc: rework attribute-tagged implicits to require defer_to by @mtzguido in #3415
• Main: introduce --read_krml_file mode by @mtzguido in #3419
• Some rework of the options module by @mtzguido in #3420
• Avoid wildcard expansion when making F# builds by @jonahbeckford in #3421
• Bump OCaml version to 4.14 by @gebner in #3397
• Some makefile fixes by @mtzguido in #3424
• extraction: krml: check for CInline attribute in letbindings, set an inlining flag in the binder by @mtzguido in #3418
• Introduce an attribute to unrefine type arguments by @mtzguido in #3406
• Refactoring printers by @mtzguido in #3425
• Fix encoding of primitive operators with refined domains by @nikswamy in #3427
• ulib: FStar.Range: allow inspecting the unsealed __range by @mtzguido in #3428
• Some fixes by @mtzguido in #3431
• feat(syntax): any terms in meta arguments by @W95Psp in #3430
• actions: check-world workflow by @mtzguido in #3433
• Parser.Dep: interpret inline_for_extraction on any decl, not just Vals by @mtzguido in #3432
• Misc fix by @mtzguido in #3435
• Do not require parentheses for fun/assume/assert by @gebner in #3378
• Fixing short circuting operators when --admit by @mtzguido in #3436
• parser: publish more symbols for Pulse by @mtzguido in #3437
• CI Tweaks by @mtzguido in #3438
• Adding Pulse bootstrapping test to check-world by @mtzguido in #3441
• checkworld tweaks by @mtzguido in #3442
• Reflection.Typing: add missing universe instantiation in elab_pat by @mtzguido in #3439
• Ide fixes by @mtzguido in #3443
• RFC: An fstar.include file to simplify --include by @mtzguido in #3345
• Advance to 2024.09.05~dev by @dzomo in #3444

New Contributors

• @LukeXuan made their first contribution in #3379
• @jonahbeckford made their first contribution in #3421

Full Changelog: v2024.08.14...v2024.09.05

v2024.08.14

What's Changed

• Allow --cache_dir to create parent directories by @mtzguido in #3194
• destruct_typ_as_formula: unascribe formula after unsquashing by @mtzguido in #3197
• NBE: mantain shape of primops to read them back them properly by @mtzguido in #3196
• Build fstarlib as bytecode too by @mtzguido in #3202
• Seq: reimplement seq_to_list and seq_of_list by casting by @mtzguido in #3203
• Adding attributes to the ML AST by @aseemr in #3205
• Tactics.Visit: visit computations in type ascriptions by @amosr in #3208
• FStar.Tactics.V2: embed Pat_Vars by sealing ppname by @amosr in #3211
• FStar.Compiler.Sealed: add an internal sealed type by @mtzguido in #3212
• Fix #3213 by @mtzguido in #3214
• Further fix for #3213 by @mtzguido in #3215
• Some fixes related to #3207 by @mtzguido in #3216
• Adding attributes to type parameters in ML AST by @aseemr in #3217
• Add a subset_mem lemma to make mem_subset more complete by @chandradeepdey in #3199
• Add missing case in lidents_of_term by @gebner in #3219
• Fixing a normalizer inefficiency by @mtzguido in #3222
• Tutorial chapter sixteen: Small fix in or introduction code by @chandradeepdey in #3223
• Make mem_filter stronger by @chandradeepdey in #3200
• Fixing #3224 by @mtzguido in #3225
• Tactics: add a primitive to spawn a subinvocation of the engine by @mtzguido in #3226
• Core typechecker fix for returns annotation by @aseemr in #3229
• Misc fixes by @mtzguido in #3235
• Fixing some scoping bugs by @mtzguido in #3237
• Fix #3238 by @mtzguido in #3239
• Using structured errors in tactics by @mtzguido in #3240
• Revert 3239 by @mtzguido in #3243
• A tweak to typeclass resolution: allow for "higher-order" resolution by @mtzguido in #3245
• Some misc cleanup changes to the normalizer by @mtzguido in #3247
• FStar.Tactics.Parametricity: move parametricity translation to ulib, as a plugin by @mtzguido in #3248
• Removing F* book sources from F* repo by @mtzguido in #3241
• Add a proof that the cardinality of Type(u+1) is greater than Type(u) by @mtzguido in #3244
• Misc fixes by @mtzguido in #3250
• Splitting qualifier/attribute checking in two phases by @mtzguido in #3254
• Small fix + cleanup in Core by @mtzguido in #3255
• Making Reals erasable, and providing a reflection API for real literals by @mtzguido in #3242
• Some fixes/improvements to the core typechecker by @mtzguido in #3256
• Misc changes by @mtzguido in #3257
• Some refactoring for typeclasses by @mtzguido in #3259
• Functional dependencies for typeclasses by @mtzguido in #3260
• Fix compat:open_metas option by @mtzguido in #3262
• Do not normalize domains of arrows with HNF. by @gebner in #3251
• Introduce and use a red-black tree implementation for sets by @mtzguido in #3261
• Fix by @mtzguido in #3267
• Tactics: make mapply a plugin by @mtzguido in #3268
• Misc changes by @mtzguido in #3269
• Removing the fv_delta field by @mtzguido in #3272
• Fixing CI by @mtzguido in #3273
• Misc by @mtzguido in #3276
• Syntax/SMT: Structure SMT errors (and Meta_labeled) by @mtzguido in #3277
• Some enhancements in support of interfaces in Pulse by @aseemr in #3270
• Making debug toggles more efficient by @mtzguido in #3274
• Small optimization in tcresolve, error message tweaks by @mtzguido in #3278
• Tactics.TypeRepr: add a tactic to translate inductives to a sums of products by @mtzguido in #3281
• Injectivity of inductive types revisited by @nikswamy in #3253
• Misc by @mtzguido in #3283
• Fix #3266 by @mtzguido in #3284
• Fixing #3264 by @mtzguido in #3287
• Misc error message fixes by @mtzguido in #3288
• SizeT: make SizeT.t a new type by @mtzguido in #3285
• Misc error message fixes by @mtzguido in #3289
• Tactics: if dump_on_failure is true, do not add Tactic failed prefix by @mtzguido in #3279
• Print: more pp instances by @mtzguido in #3290
• Color warnings yellow, diagnostics blue by @mtzguido in #3291
• Partial fix for 3292 by @mtzguido in #3293
• Misc fixes (typeclasses, printing) by @mtzguido in #3294
• Rel: make progress checking in head_matches_delta stricter by @mtzguido in #3297
• Debug/Options: make sure to restore debugging state after popping options by @mtzguido in #3298
• Introduce FStar.RefinementExtensionality by @mtzguido in #3299
• Misc tactics and debugging improvements by @mtzguido in #3300
• Syntax.Free: fix incomplete match by @mtzguido in #3301
• Misc fixes for error messages by @mtzguido in #3303
• Queue library by @meganfrisella in #2958
• FStar.Queue: rename to FStar.FunctionalQueue by @mtzguido in #3304
• Misc changes by @mtzguido in #3306
• Fix 3286 by @mtzguido in #3308
• Extract FStar.List.Pure.Base by @mtzguido in #3313
• Tactics: introduce ide() to check if running interactively by @mtzguido in #3314
• Resugaring for dependent tuples by @mtzguido in #3316
• Make parenthesis break binding on dtuples by @mtzguido in #3317
• All: replace all uses of * for tuples by & by @mtzguido in #3318
• Allow empty record patterns by @mtzguido in #3321
• Add an interface for FStar.Reflection.V2.TermEq, and mark it a plugin by @mtzguido in #3322
• Introduce call_subtac_tm by @mtzguido in #3323
• Tactics: nit in compare_term to get better order, termination proof trickier by @mtzguido in #3324
• Misc tactics cleanup by @mtzguido in #3325
• Some basic simplification rules for reals by @mtzguido in #3305
• A fix in Core, revealed by FStarLang/pulse#100 by @mtzguido in #3326
• Fix a possible crash for empty record patterns by @mtzguido in #3327
• Implement query caching by @mtzguido in #3328
• Some interleaving improvements, in support of splice vals by @mtzguido in #3329
• devcontainer: fix Ubuntu to 23.10 and remove libicu by @mtzguido in #3331
• Make sure to catch missing definitions by @mtzguido in #3330
• Misc fixes by @mtzguido in #3334
• Tc: Env: rename nosynth->flychecking by @mtzguido in #3335
• Tactics: make splice_t always run without admit/lax by @mtzguido in #3336
• Fix 2583 by @mtzguido in #3338
• reflection: fix extraction for quoted real literals by @mtzguido in #3340
• Resugar: improve resugaring for projectors by @mtzguido in #3341
• Misc changes by @mtzguido in #3342
• Tactics: a...

v2024.01.13

What's Changed

• Fixing a division by zero in modulus by @nikswamy in #3050
• Pretty printing error messages by @mtzguido in #3027
• Nix: fix make_fstar_version.sh by @pnmadelaine in #3052
• Fixing unfolding logic in coercions by @mtzguido in #3054
• devcontainer: install memtrace by @mtzguido in #3055
• Tutorial chapter sixteen: use consistent types by @chandradeepdey in #3056
• Extraction hooks to support custom extraction by extensions by @nikswamy in #3058
• Improving some error formats. by @mtzguido in #3059
• ToSyntax: tighten a range by @mtzguido in #3060
• Some more pretty printing, and a lemma about spinoff by @mtzguido in #3062
• Widen types if they are used in typeclass constraints by @nikswamy in #3061
• A new Extension enum value for codegen by @aseemr in #3071
• Fixed Z3 version check crash by @Johanmyst in #3067
• Add push-partial-checked-file IDE request by @gebner in #3070
• examples: add a partial model for sealed by @mtzguido in #3073
• Some small changes in support of Pulse by @nikswamy in #3075
• Remove fstar.opam Python 2 dependency by @cmovcc in #3069
• Introducing int_of_string / bool_of_string by @mtzguido in #3053
• Tc: fix sigelt pushing to be unique (and hence prevent clashes during splices) by @mtzguido in #3063
• Implementing map_seal and bind_seal primitive operators by @mtzguido in #3074
• Add a lemma about subset being reflexive for lists by @chandradeepdey in #3078
• Some misc changes by @mtzguido in #3079
• Normalizer: invalidate memoizations if cfg changes by @mtzguido in #3072
• misc: A fix and a new function by @mtzguido in #3080
• Reflection.Typing: introduce basic sigelt_typing, allow splice_t to return a list by @mtzguido in #3065
• Milnes first typos in by @briangmilnes in #2903
• Fixing #3081 by @mtzguido in #3083
• A couple of fixes to improve error localization, especially in extensions like Pulse by @nikswamy in #3084
• ToDocument: pretty-print lens access operators by @gebner in #3082
• Misc fixes by @mtzguido in #3086
• Do not unfold logical connectives in norm requests by @mtzguido in #3085
• Exposing more pretty-printing ops by @mtzguido in #3088
• fix(doc/book): typos by @mzacho in #3092
• Properties of List.Tot.no_repeats_p by @tahina-pro in #3094
• Fixing #3089, and some unifier fixes by @mtzguido in #3091
• Tactics: make prop_validity_token erased by @mtzguido in #3096
• pretty-printer: consistently print nested tuples with (,) syntax by @amosr in #3100
• Fix #3051 by @mtzguido in #3101
• Fixing the escape check to provide better errors by @mtzguido in #3105
• tactics: ctrl_rewrite: perform rewrite under arrows; fix rewrite under dependent binders by @amosr in #3104
• Using typeclasses in src/ by @mtzguido in #2969
• Restoring some vale tests (and moving to tests/) by @mtzguido in #3109
• src/tactics: more use of typeclasses by @mtzguido in #3110
• Tc: Making defensive checks into a single def_check_scoped function by @mtzguido in #3111
• Misc SMT improvements by @mtzguido in #3112
• --proof_recovery by @mtzguido in #3113
• Support for local state in meta programs by @aseemr in #2948
• Adding an deq class and using it for lazy_kind by @mtzguido in #3114
• Some bug fixes by @mtzguido in #3117
• Fixing #2949 by @mtzguido in #3119
• Make --MLish --lax safer by @mtzguido in #3123
• More typeclasses, some cleanup by @mtzguido in #3124
• Fix stale hints script's return code, and run it by @mtzguido in #3125
• Some typeclass performance improvements by @mtzguido in #3126
• A very modest typeclass caching by @mtzguido in #3127
• Solving type constructors implicits before data constructor implicits by @mtzguido in #3132
• Fix typeclass arguments for types by @mtzguido in #3133
• Fixes for typeclasses by @mtzguido in #3134
• Misc improvements for SMT debugging by @mtzguido in #3136
• Pretty-printing options by @mtzguido in #3137
• More preparation for solver upgrade by @mtzguido in #3138
• Options: restore settable __temp_fast_implicits until uses are removed by @mtzguido in #3139
• Use a typeclass for ord and sets in the compiler by @mtzguido in #3141
• Reduce use of Set.elems, make notes where it remains by @mtzguido in #3143
• --MLish and extraction by @mtzguido in #3142
• Slight refactor in discharge_guard pipeline by @mtzguido in #3146
• Generalize univ annotations in effects by @mtzguido in #3121
• Cleaning up FStar/examples so that they all build cleanly into .checked files by @nikswamy in #3147
• Allow overloading exists and forall similar to let operators by @nikswamy in #3149
• A typechecker fix, and adding a monad class by @mtzguido in #3148
• Making pipe operators primitive by @mtzguido in #3122
• Tactics: use a monad typeclass internally by @mtzguido in #3150
• A type class for embedding by @mtzguido in #3152
• Stricter --MLish: no subtyping via has_type guards by @mtzguido in #3155
• primops: use embedding class to remove a ton of boilerplate by @mtzguido in #3154
• Tidy-up testing examples with the F* binary package by @tahina-pro in #3156
• More primops simplification and modularization by @mtzguido in #3157
• More primops cleanup by @mtzguido in #3158
• Fix primops by @mtzguido in #3159
• Add record name in the MLE_Record node by @aseemr in #3161
• Fix a scoping bug by @mtzguido in #3162
• More cleanup, gone with a couple thousand lines of boilerplate by @mtzguido in #3160
• Misc debugging improvements by @mtzguido in #3163
• A monadic visitor by @mtzguido in #3164
• Tc: Allow for #_ to solve instances by @mtzguido in #3165
• Misc changes by @mtzguido in #3167
• Misc fixes by @mtzguido in #3170
• A tactic for projectors (and methods) by @mtzguido in #3168
• An option to log (only) failing queries by @mtzguido in #3172
• Allowing to splice vals, and define vals with splices by @mtzguido in #3177
• FStar.Pure.Break: add a utility to "break away" the VC of the continuation by @mtzguido in #3174
• Primops: MachineInts: fix OP_underspec by @mtzguido in #3179
• Machine int primops2 by @mtzguido in #3180
• FStar.BV: expose bvshl, bvshr and bvmod with bit vector rhs by @amosr in #3116
• Advance to 2024.01.13~dev by @dzomo in #3190

New Contributors

• @chandradeepdey made their first contribution in #3056
• @Johanmyst made their first contribution in https:...

v2023.09.03

What's Changed

• Unifying the range type into FStar.Range by @mtzguido in #2884
• Utilities on ranges exposed in reflection and tactics by @nikswamy in #2887
• Introducing an admit_termination attribute by @mtzguido in #2896
• Unifying the range type into FStar.Range by @mtzguido in #2892
• Adding FStar.Printable.fst with test by proof in tests/printable usin… by @briangmilnes in #2902
• Remove Steel from the F* code base by @tahina-pro in #2889
• Fix snapshot-diff detection for extraneous files by @mtzguido in #2911
• tests: ide: make test-incremental parallelizable by @mtzguido in #2898
• Support for custom syntax extensions by @nikswamy in #2909
• Some reflection/tactics updates by @mtzguido in #2918
• Use menhir by @mtzguido in #2910
• Nix: fix build by adding menhir dependency by @pnmadelaine in #2920
• Marking some symbols public in the menhir grammar by @nikswamy in #2921
• Some fixes to allow let recs on abbreviated types by @mtzguido in #2915
• Allow a syntax extension to provide qualifiers and attributes on a decl by @nikswamy in #2924
• fix ranges for extension syntax by @nikswamy in #2926
• Use named records in data constructors for some syntax classes by @aseemr in #2928
• A different fix for #2894 by @mtzguido in #2929
• Using a base image for CI jobs by @mtzguido in #2927
• Some tweaks to how delta depths are handled in the typechecker by @aseemr in #2934
• Exposing issues (warnings, errors, etc.) through the reflection API by @nikswamy in #2935
• Add missing case for LetOperator by @W95Psp in #2941
• Exposing a hook to read checked files, for use with separate tools built against fstar-lib by @nikswamy in #2942
• options/dep: introduce --output_deps_to by @mtzguido in #2932
• Making the handling of application nodes more uniform in the core checker by @nikswamy in #2944
• Nix: fix build (menhir dependency) + update lock file by @cmovcc in #2943
• Removing stale hints by @mtzguido in #2951
• Allow '@' on fatal errors in --warn_error by @TWal in #2950
• Simplifying subtype_of queries to avoid needless VCs related to proving that a term is a prop by @nikswamy in #2945
• Fixing order of --warn_error by @mtzguido in #2952
• Some build+test system tweaks by @mtzguido in #2956
• Revising checking arguments of an application in core by @nikswamy in #2959
• ci: use $(nproc) threads by @mtzguido in #2963
• Restoring the old error handler in Errors.catch_errors_aux by @nikswamy in #2965
• Exposing a few more productions for use in Pulse by @nikswamy in #2966
• Start a Tactics V2 by @mtzguido in #2960
• Some docs for tactics v2 and a CHANGES entry by @mtzguido in #2968
• colorizing the output of --query_stats by @mtzguido in #2972
• ulib: some proof taming by @mtzguido in #2973
• TermEq: expose universe comparisons by @mtzguido in #2975
• Support for negative literals in patterns by @aseemr in #2976
• Revising equality check in Core to emit a guard by @nikswamy in #2971
• ulib: introducing some standard classes by @mtzguido in #2977
• UInt128: proof taming by @mtzguido in #2979
• Unifier tweaks by @mtzguido in #2983
• Update part1_termination.rst by @arbipher in #2985
• Fixing the incremental parsing of syntax extension blobs by @nikswamy in #2987
• Simple lemma about appending permutations by @tdardinier in #2989
• Example: Leftist heap implementation by @tdardinier in #2982
• Support for close combinator for indexed effects by @aseemr in #2988
• Adding some comments to SMT log files by @mtzguido in #2992
• Initial support for matches in Reflection.Typing by @mtzguido in #2990
• Fix typo in OCaml code for extracting elements of a pair by @tdardinier in #2994
• Fixing the need to use --ide_id_info_off in Steel and Pulse by @nikswamy in #2996
• Fix hardcoded dependences of a file by @nikswamy in #2997
• Making AdmitWithoutDefinition (240) an error, by default by @nikswamy in #2925
• Introducing a minimal devcontainer (for codespaces) by @mtzguido in #2998
• Revising the way attributes are desugared by @nikswamy in #2940
• Misc changes by @mtzguido in #2999
• Tactic fixes by @mtzguido in #3001
• Introduce Z3 version switching by @mtzguido in #2995
• Misc tactics improvements by @mtzguido in #3003
• main.ml: only block signals on Posix systems by @mtzguido in #3006
• Makefile: remove -T on install usage by @mtzguido in #3008
• Misc fixes by @mtzguido in #3009
• A fix in query splitting by @mtzguido in #3010
• Tactics: allow Reflection.Typing primitives to raise guards by @mtzguido in #3011
• Fix extraction of character constants by @msprotz in #3007
• A fix in the core typechecker by @aseemr in #3004
• Fix in tactics, make sure to use optionstate by @mtzguido in #3013
• Exposing parsing_data in the unsafe_raw_read_checked_file by @nikswamy in #3018
• Changes for supporting ghost applications and ghost bind in Steel by @aseemr in #3012
• Fix typo in vec example proof by @2over12 in #3019
• Do not encode to SMT if admitting queries by @mtzguido in #3015
• ToSyntax: improve some ranges by @mtzguido in #3014
• Expose a utility to compute free vars of an AST term by @nikswamy in #3020
• Adding opens and abbrevs to sigelts by @nikswamy in #3022
• normalizer: avoid possible infinite loop on maybe_unfold_head by @mtzguido in #3021
• An --ext option by @nikswamy in #3023
• Restricting well-foundedness on inductives function-typed fields by @nikswamy in #2954
• deep_compress: remove some spurious warnings about Tm_names by @mtzguido in #3025
• A new noinline attributer for functions that should not be inlined by @msprotz in #3026
• Syntax of val binders by @nikswamy in #3029
• Add FStar.fst.config.json by @mtzguido in #3017
• Enable memtrace on F* by @mtzguido in #3016
• Hashconsed arrows/abstractions in the SMT encoding must be abstracted over their free variables by @mtzguido in #3028
• Revising the encoding of BoxBitVec_n by @nikswamy in #3033
• tactics: exposing ext_options/all_ext_options by @mtzguido in #3034
• Revising coercion mechanism to allow for implicit arguments by @mtzguido in #3032
• feat: Add 'bv_div_unsafe' to support 'bv / bv' expressions. by @bollu in #3030
• Making sure to invalidate a hint hash if Z3 version changes by @mtzguido in #3037
• Tactics: improving some ranges by @mtzguido in #3038
• Reduce dummy ranges in errors by @mtzguido in https://github.com/FStarLang/FStar/...

v2023.04.25

Steel is being split out to its own repository at https://github.com/FStarLang/steel . So, this F* release is the last one with Steel still being part of F*'s standard library.

What's Changed

• GitHub Actions workflows: releases, MacOS, Windows by @tahina-pro in #2880
• Excluding some fixpoint reductions in typechecker by @mtzguido in #2881
• Fixing inconsistencies in inspect_ln by @aseemr in #2882
• A synchronous mode for SMT queries (+ tactic), plus a change to --split_queries by @mtzguido in #2776
• Reducing some dependencies from the compiler into ulib by @mtzguido in #2883
• Misc memory fixes by @mtzguido in #2885
• Advance to 2023.04.25~dev by @dzomo in #2888

Full Changelog: v2023.04.08...v2023.04.25