v0.64.0

What's Changed

• ci: Fix typo in forc-unit tests by @sdankel in #6566
• Fixed required trait constraint not being checked by @esdrubal in #6525
• fix: forc-client build script should update proxy abi also for deployment tests by @kayagokalp in #6561
• Introduce the collection context in the type check context. by @tritao in #6460
• fix: forc-deploy block url by @sdankel in #6570
• Move all crate dependencies to the workspace Cargo.toml (#6179) by @alfiedotwtf in #6563
• docs: added a link to the Fuel blockchain by @Ocheretovich in #6574
• fix OOB slab panic when creating runnables on a did_save event by @JoshuaBatty in #6575
• Version bump all crate dependencies after the workspace move by @alfiedotwtf in #6571
• fix array element type algorithm to avoid selecting never by @xunilrj in #6511
• Version bump the remaining crate dependencies by @alfiedotwtf in #6579
• Add inlay hints for function parameters by @JoshuaBatty in #6513
• Common sub-expression elimination pass by @vaivaswatha in #6413
• fix: use build script for proxy deployments as well by @kayagokalp in #6580
• chore: update fuel-core to 0.36.0, fuels-* to 0.66.5 by @kayagokalp in #6582
• Support Output::Change in output_asset_to() and output_asset_id() by @bitzoic in #6562
• feat: AWS kms signer support for forc-client by @kayagokalp in #6578
• chore: bump to v0.64.0 by @JoshuaBatty in #6584
• Fix verify_tag.sh script to use workspace version by @IGI-111 in #6587
• ci: add versions to cargo workspace by @sdankel in #6588

New Contributors

• @Ocheretovich made their first contribution in #6574

Full Changelog: v0.63.6...v0.64.0

v0.63.6

What's Changed

• conditional constant propagation by @vaivaswatha in #6498
• Correctly check for overflow in add, mul and pow by @SwayStar123 in #6452
• Add find all references feature to the language server. by @JoshuaBatty in #6512
• docs: Add build script to test templates by @sdankel in #6510
• Fix "Testing with Rust / Writing Tests" example by @smoelius in #5539
• Replace cargo deps with built-in cargo tree (#6179) by @alfiedotwtf in #6515
• fix: forc-test log decoding in libraries by @sdankel in #6518
• Use cargo-nextest with retries for flaky LSP test by @JoshuaBatty in #6521
• Update proxy contract binary shipped with forc-deploy by @kayagokalp in #6520
• fix second pass of method application arguments by @xunilrj in #6526
• Add support for Transaction::Upload, Transaction::Upgrade, and Transaction::Blob by @bitzoic in #6500
• Update helpers.rs by @cypherpepe in #6255
• Remove subs type optimization causing find method issues by @xunilrj in #6532
• Add Caller addresses function by @SwayStar123 in #6514
• Add Eq for Result by @SwayStar123 in #6140
• feat: Add --raw-logs option for forc-test by @sdankel in #6528
• Add tests for recursive const definitions and associated consts usages by @ironcev in #6545
• feat: add a build script to forc-client to keep proxy abi in sync with file by @kayagokalp in #6535
• Adds test for implicit trait constraint. by @esdrubal in #6517
• Fixes unreachable on invalid cfg attribute arg. by @esdrubal in #6553
• Fixes OOB in type_check_analyze of ImplTrait. by @esdrubal in #6551
• Fixes panic error on decl_to_type_info. by @esdrubal in #6552
• Only check non-parent monomorphization args by @xunilrj in #6549
• Fix function_cache garbage collection bug by @JoshuaBatty in #6555
• chore: bump to v0.63.6 by @JoshuaBatty in #6556

New Contributors

• @alfiedotwtf made their first contribution in #6515
• @cypherpepe made their first contribution in #6255

Full Changelog: v0.63.5...v0.63.6

v0.63.5

What's Changed

• Fixes mismatched types in ABI cast. by @esdrubal in #6489
• Add tests for propagation of type constraints in type inference by @ironcev in #6502
• Emit unreachable arm warning for OR match arms by @ironcev in #6505
• chore: use fuel-core 0.35.0 and sdk 0.66.4 by @kayagokalp in #6506
• chore: bump to v0.63.5 by @kayagokalp in #6508

Full Changelog: v0.63.4...v0.63.5

v0.63.4

What's Changed

• ci: Benchmark with codspeed by @sdankel in #6481
• Support FuelVM wqxx instructions in ASM blocks by @ironcev in #6484
• Add flag check functions by @SwayStar123 in #6445
• Handle case when Bytes appends to self by @bitzoic in #6308
• Fixes impl self duplicated missing error. by @esdrubal in #6493
• Adds function return type unification. by @esdrubal in #6490
• Implement __contract_ret as diverging and retd as terminator by @ironcev in #6486
• Fixes ABI alias metadata types. by @esdrubal in #6494
• Test for contract address being a complex expression by @xunilrj in #6495
• Add missing docs to primitive_conversions library in standard library by @GearedPaladin in #5627
• Change msg_sender()'s Input::Message from sender to recipient by @bitzoic in #6497
• Bump to v0.63.4 by @IGI-111 in #6503

Full Changelog: v0.63.3...v0.63.4

v0.63.3

What's Changed

• Reduces memory footprint of collecting unifications. by @esdrubal in #6479
• Fix error handling in LSP to guard against empty results from the compiler. by @JoshuaBatty in #6480
• Optimize TokenMap updates and traversals for modified files only by @JoshuaBatty in #6464
• add overflow and unsafe math tests by @SwayStar123 in #6469
• Bump to v0.63.3 by @JoshuaBatty in #6483

Full Changelog: v0.63.2...v0.63.3

v0.63.2

What's Changed

• No limit on the depth of the return path analysis by @jjcnn in #6435
• Fix sway templates by @xunilrj in #6446
• Guarantee only valid bools are being decoded by @xunilrj in #6436
• Optimize manifest directory lookup with efficient caching by @JoshuaBatty in #6444
• Updated the emitted event in the search page by @laishawadhwa in #6454
• Add RUST_BACKTRACE: full to lsp CI tests by @JoshuaBatty in #6457
• std-lib/auth: update in-line docs for caller_address() by @K1-R1 in #6449
• Fixes panic on unwrapping in type_check_trait_implementation. by @esdrubal in #6434
• Add the indoc crate to swayfmt tests for better readability. by @JoshuaBatty in #6450
• Handle Out of Bounds Read In Input Message Data by @bitzoic in #6439
• Fix trait-related type inference propagation bug by @tritao in #6455
• eliminate dead block args by @vaivaswatha in #6459
• chore: remove comment by @sdankel in #6463
• Handle formatting new types in StorageField by @JoshuaBatty in #6451
• Parse error on illegal statement by @jjcnn in #6443
• Better error array numerics by @xunilrj in #6420
• docs: Update debugging_with_cli.md by @sdankel in #6472
• Improves TraitMap performance. by @esdrubal in #6471
• Fixes Numeric type propagation by @esdrubal in #6461
• check if all required generic arguments are valid by @xunilrj in #6462
• Bump to v0.63.2 by @IGI-111 in #6476

New Contributors

• @laishawadhwa made their first contribution in #6454

Full Changelog: v0.63.1...v0.63.2

v0.63.1

What's Changed

• test: add more chunking tests by @kayagokalp in #6433
• fix release workflow by embedding proxy abi to code in plain str by @kayagokalp in #6437
• Bump version to 0.63.1 by @kayagokalp in #6438

Full Changelog: v0.63.0...v0.63.1

v0.63.0

What's Changed

• Remove support for namespace attribute by @IGI-111 in #6279
• Make module name mandatory and private by @jjcnn in #6271
• Cache Build Plans in language server by @JoshuaBatty in #6281
• Forbid configurables in pattern matching and shadowing by @ironcev in #6289
• feat: Enhance forc-deploy UX with dialoguer by @sdankel in #6278
• cache pid lock files to reduce IO operations by @JoshuaBatty in #6297
• Add documentation about Undefined Behavior by @IGI-111 in #6302
• fix: update the document link for Manual Storage Management. by @dima-safin-2025 in #6301
• Add core and std dependency test filtering to the test runner by @tritao in #6299
• chore: correction typos index.md by @osrm in #6303
• Re-pin LSP tests to published version of std and re-enable commented out tests by @JoshuaBatty in #6315
• chore: bump forc-pkg deps and fix clippy warnings by @JoshuaBatty in #6311
• Fix range OOB bug in the language server by @JoshuaBatty in #6314
• Additionally test associated constants by @ironcev in #6349
• Support for slice new syntax &[T] by @xunilrj in #6307
• Correct code_size function implementation by @SwayStar123 in #6304
• Introduce a new symbol resolving pass by @tritao in #5809
• Revert when loading 0 size typed storagevec by @SwayStar123 in #6358
• Slice/Array intrinsics: __slice and __elem_at by @xunilrj in #6282
• Move std-lib StorageKey tests to in-language tests by @bitzoic in #6363
• feat: create and deploy a reference proxy contract for contracts with [proxy] enabled by @kayagokalp in #6069
• Fixes assert in type_check_encode_buffer_empty. by @esdrubal in #6364
• Fixes crash on encode_buffer_append with wrong args. by @esdrubal in #6365
• docs: Update docs for forc-client by @sdankel in #6403
• fix size of configurable buffer for enums by @xunilrj in #6366
• Add error for duplicate struct field initialization by @IGI-111 in #6401
• Fixes unreachable macro crashing compiler. by @esdrubal in #6362
• ASM blocks handling: inlining, DCE, ASM returns without return register by @ironcev in #6404
• Fix broken documentation link by @IGI-111 in #6400
• Fix bugs in memcpyopt by @vaivaswatha in #6359
• Revert when overflow using pow for u8, u16, u32 by @SwayStar123 in #6340
• Allow forc deploy to submit transaction without waiting for commit confirmation by @luisburigo in #6294
• Filter ABI supertrait methods from contract entry generation by @tritao in #6402
• Fix impl self node order dependency pass key collision issue. by @tritao in #6407
• Implement mutability checks for references to aggregate type fields. by @tritao in #6415
• Updates JSON ABI, LDC, BSIZ, BLDD and ED19. by @esdrubal in #6254
• Implement Typed Module Caching by @JoshuaBatty in #6280
• Better checks at type_check_analyze by @xunilrj in #6410
• Update README.md by @sdankel in #6423
• Allow variable length message in ed_verify by @SwayStar123 in #6419
• Increase Safety when introspecting transaction inputs by @bitzoic in #6405
• Increase Safety when introspecting transactions by @bitzoic in #6418
• Increase Safety when introspecting transaction outputs by @bitzoic in #6414
• Update rust version in forc docker image by @Voxelot in #6422
• chore: bump sdk version by @sdankel in #6430
• feat: Implement ldc based automatic contract chunking by @kayagokalp in #6250
• fix: use proxy bin with storage slots in a namespace by @kayagokalp in #6429
• Fix broken forc command docs by @JoshuaBatty in #6424
• Fix scwq instruction and "phantom" error in purity checks by @ironcev in #6432
• chore: bump to 0.63.0 by @sdankel in #6421

New Contributors

• @dima-safin-2025 made their first contribution in #6301
• @osrm made their first contribution in #6303
• @luisburigo made their first contribution in #6294

Breaking changes

• the #[namespace()] attribute is no longer supported. The new namespace syntax is preferred moving forward and the new in keyword usage can be used for backwards compatibility
• Configurables are no longer allowed in pattern matching and shadowing
• There have been significant changes the the ABI specification format
• ed_verify has been changed to support variable length messages
• some std functions now return an Option instead or reverting
• some std functions now return types updated to match the specification
• some std functions have been made private are will no longer be available

Full Changelog: v0.62.0...v0.63.0

v0.62.0

What's Changed

• feat: Print the formatted bytecode size on forc build by @sdankel in #6214
• Inliner shouldn't inline a function into itself by @vaivaswatha in #6218
• better error and dca for configurables by @xunilrj in #6121
• match for string slices by @xunilrj in #6202
• fix: typo in comment for ipfs fetching in forc-pkg by @kayagokalp in #6236
• Add string slices to supported types message in match expressions by @ironcev in #6243
• fix configurable tests by @xunilrj in #6242
• re-enable LDC test by @xunilrj in #6240
• chore: remove snapshot, as accounts are funded by default by @kayagokalp in #6235
• Fix Bytes, Vec and String buffer ownership by @xunilrj in #6142
• Correctly handle Input::Message when calling msg_sender() by @bitzoic in #6231
• Memory usage reduction by @jjcnn in #6249
• Unify AST nodes for parsed and typed impl self and impl trait. by @tritao in #6251
• uncomment update contract update check by @xunilrj in #6247
• Add LRU Session Cache to Reduce RAM Usage by @JoshuaBatty in #6239
• Update index.md by @Olexandr88 in #6261
• Add Output::ContractCreated transaction to Output enum by @bitzoic in #6194
• Implement a map from typed to parsed decl ids in the declaration engine. by @tritao in #6245
• Small code refactor by @ylmin in #6263
• docs: Add Core Library to introduction section of the Sway book by @calldelegation in #6193
• Feature: Reexport using pub use by @jjcnn in #6116
• Add tracing span macro calls to the language server for better debugging by @JoshuaBatty in #6238
• Update index.md by @operagxsasha in #6267
• Use HashSet for error deduplication by @ylmin in #6268
• chore: bump to use fuel-core v0.31.0 and sdk v0.65.1 by @kayagokalp in #6252
• Bump to v0.62.0 by @IGI-111 in #6276

New Contributors

• @Olexandr88 made their first contribution in #6261
• @ylmin made their first contribution in #6263
• @operagxsasha made their first contribution in #6267

Full Changelog: v0.61.2...v0.62.0

v0.61.2

What's Changed

• Improve error messages for namespaced storage fields by @IGI-111 in #6204
• fix: deployment estimation deferred to sdk by @kayagokalp in #6212
• feat: Add helper function for consistent forc output by @sdankel in #6208
• Bump to v0.61.2 by @sdankel in #6213

Full Changelog: v0.61.1...v0.61.2