v2.10.0-rc.0

This is the Cairo version associated with Starknet 0.13.4. Contracts written with 2.10.0 are not declarable on Starknet until the upgrade.

What's Changed

• Corelib documentation updates.
• implement cfg not, and and or. #6802
• Panic when a dependency is misconfigured. #6858
• update error message for missing '0x' prefix by @chen-liang-CN in #6869
• Adding the last line of a multi-line diagnostics. #6850
• Changing the prioritization in output Diagnostics. #6884
• Using correct type on snapshot mismatch. #6902
• Adding redeposit gas by default. #6904

New Contributors

• @Danyylka made their first contribution in #6769
• @victorMagdesian made their first contribution in #6790
• @donatik27 made their first contribution in #6834
• @taikoonwang made their first contribution in #6845
• @futreall made their first contribution in #6871
• @vtjl10 made their first contribution in #6870
• @zeevick10 made their first contribution in #6877
• @Daulox92 made their first contribution in #6875
• @Bilogweb3 made their first contribution in #6881
• @jasmyhigh made their first contribution in #6882
• @chen-liang-CN made their first contribution in #6869
• @Pricstas made their first contribution in #6888

Full Changelog: v2.9.2...v2.10.0-rc.0

v2.9.2

What's Changed

• Additional documentation in the corelib.
• Circuit's u384 Serde.
• More efficient array.get(0) by const folding.
• Bug fixes and name changes for new cairo-execute feature.
  • Option for args to be provided as a file.
  • Fixed cases of dictionary usage.
• Minor byte-array optimizations.
• Fixed bug with bad types of const items.

Full Changelog: v2.9.1...v2.9.2

v2.9.1

What's Changed

• LS: Disable proc macro support by default by. #6768
• LS: Fix corelib test diagnostic with proc macro server off by default. #6770

Full Changelog: v2.9.0...v2.9.1

v2.9.0

New Features

• Global uses.
  • use a::b::* would bring the public context from a::b into the current context.
  • Not available for use on crates with edition v2023_01.
• Basic closures:
  • let plus_1 = |x| x + 1;
assert_eq!(plus_1(5), 6);
• Formatter Improvements:
  • Sorting of module level items only sorts on subsequent mod statements or use statements.
  • Removal of extra unnecessary commas at the end of one line lists.
  • Addition of extra comma at the end of multi line lists.
  • Sort of internal nodes within use items.
  • Merging of subsequent use items.
  • Fix formatting precedence of for loop parts. #6371
  • Formatting long arrays with multiple elements per line.
• Experimental feature - #[executable] attribute, to mark a function for execution generating proofs off-chain.
• Experimental feature - Associated type bounds
  • requires experimental flag - associated_item_constraints
  • Example:
    • fn foo<T, S, +Iterator::<T>[Item: S]>(t: T) { ... } - will enforce Deref on T to be available and with associated type Item of type S.
• const statements are now allowed within code blocks (not just as a module item).
• use of consts and types are no allowed within code blocks.
• Support format!("{:x}") notation for hexadecimal formatting by @remybar in #6297
• Implement Zero for u384 by @enitrat in #6329
• Add conescutive math operator diagnostic to the parser. #6392
• Disabled inline macro expansion on parser errors. #6413
• Added analyzer check for enums with starknet::Store with no default. #6459
• Add missing TupleSplitTupleSize16 impl. in metaprogramming.cairo by @feltroidprime in #6500
• Added Pow trait and implementations for base numeric types and usize. #6694
• Added option to allow conflicting paths. #6743
• Added option for renaming a storage variable path. #6758

Bug Fixes

• Made non-copy variable not be forwarded in const folding. #6324
• Allow defining const negative NonZero. #6425
• Fixed self-ref type detection. #6455
• Somewhat improved diagnostics location occuring from final solve. #6586
• Solving current inference state prior to finding index traits. #6587
• Fixed issue with consts defined out of order. #6625
• Changed ap-change-only solver to be the linear solver. #6626
• Treating all gas-vars as provided 0 if gas is disabled. #6688
• Handling attributes on members and variants. #6738
• Fixed issue with using a box of const as actual const. #6766

Optimizations

• Match optimization now happens in more complex cases as well.
• Additional cases of const-folding.
• Optimized BitNot by BoundedInt. #6416
• Enabled bounded-int abs optimization in i128 mul. #6417
• Made signed int add and sub more efficient. #6465

Language Server Updates

• Refresh project on cairo_project.toml change, register text document sync on server side. #6316
• Fix duplicated and misplaced diagnostics. #6446
• Add completions of struct members. #6567
• Add "fill struct fields" code action. #6565
• Limit module import completion to visible members. #6566
• Add hovers for path segments. #6649
• Support multi-root-workspaces. #6645

Other

• Remove all instances of inline(always) from corelib by @javra in #6114
• Update README by @Olexandr88 in #6373
• corelib: circuit related utils improvements by @feltroidprime in #6482
• Fix Typos in Documentation Files by @cypherpepe in #6677
• Typo Update readme.md by @mdqst in #6693
• Grammar and Style Improvements by @Madmaxs2 in #6747

New Contributors

• @remybar made their first contribution in #6297
• @Olexandr88 made their first contribution in #6373
• @Oemerbeck made their first contribution in #6400
• @feltroidprime made their first contribution in #6482
• @marcuspang made their first contribution in #6497
• @integraledelebesgue made their first contribution in #6478
• @cypherpepe made their first contribution in #6677
• @Gerson2102 made their first contribution in #6627
• @mdqst made their first contribution in #6693
• @Madmaxs2 made their first contribution in #6747

Full Changelog: v2.8.5...v2.9.0

v2.8.5

Bug Fixes

• Prevent crashes when using const as a statement. #6672
• Somewhat improved diagnostics location occuring from final solve. #6586
• Solving current inference state prior to finding index traits. #6589
• Fixed issue with consts defined out of order. #6586

Full Changelog: v2.8.4...v2.8.5

v2.9.0-dev.0

Cairo compiler.

v2.8.4

Bug Fixes

• Fixed self-ref type detection. #6455

Full Changelog: v2.8.2...v2.8.4

v2.8.2

Note that in order to match Scarb/compiler versions, we skip 2.8.1, which was captured by a Scarb hotfix. Up to urgent bug fixes, the compiler and Scarb are released together.

What's Changed

• Added TryInto::<u384, {u256,u128}>. #6326
• Properly printing panics in the cairo runner. #6333
• Update Builtin costs. #6340
• Implement Zero for u384. #6329
• Enrich members caching - made accessing type members through Derefs faster . #6343

Bug Fixs

• Made sierra generation external stack based, preventing stack overflow in extremely long functions cases. #6303
• Made non-copy variable not be forwarded in const folding. Fixing const folding dict bug. #6324

Full Changelog: v2.8.0...v2.8.2

v2.8.0

New Features

• Added finding unused imports. #6139 #6152
• Using default implementations for PartialOrd::{gt,le,ge}. #6195
• Improved diagnostics mappings. #6226 #6227 #6290
• Added WideSquare trait. #6194
• Made unreachable code diagnostics from errors into warnings. #6259
• Don't report diagnostics for missing types. #6269
• Added range operator support:
  • for x in 0..6_u8 { ... }
• Added support for crate:: for path resolution. #6284
  • use crate::path::in::the_crate;

Bug Fixes

• fixed loop capture of snapshoted variables. #5934
• Dedupping parser diagnostics on file ids. #6212
• Prevented panic on unexpected generic args for methods. #6217
• Removed faulty diagnostic on inlining over generated functions. #6257
• Updated sierra ap-change finding to be based on final lowering. #6258
• Refactored Vec IndexView so it would be properly implemented. #6282
• Removed entry-code running steps from resource calculations (on cairo-test's --print_resources). #6281

Language Server Updates

• Faster reaction time to changes.
• Allows getting the macro generated code pointed to by diagnostics. #6276
• Add a command to inspect analyzed crates. #5987
• Add support for getting struct members doc. #6145
• Add notification on corelib mismatch. #6213
• Look for unmanaged core in Scarb. #6248
• Cancellation support. #6263
• Fix hover on definition. #6255

New Contributors

• @riyueguang made their first contribution in #6078

Full Changelog: v2.7.1...v2.8.0

v2.7.1

What's Changed

• Bumped VM version. #6198
• Added corelib version validation when loading db. #6204

Language Server Updates

• Removed db panics - a lot less LS crashes.
• Prevented diagnostics updates from happening in the same time - causing a smoother LS run.
• Not adding use statements for items already in prelude.

New Features

• Circuit's u96 now has Serde and TryInto.
• WideMul::wide_mul can now be used as a method.

Full Changelog: v2.7.0...v2.7.1