0.0.15

Release Notes

Released on 2026-02-04.

Bug fixes

Add support for resolving imports of packages installed into Debian/Ubuntu dist-packages directories (#22466)
Avoid not-iterable false positives when iterating over an instance of an intersection type with only negated elements (#22089)
Fix support for stringized annotations in very large files (#22913)
Don't emit Liskov diagnostics for methods with mangled names (#23062)
Enforce that a Final symbol cannot be reassigned even after a conditional binding (#22986)
Fix TypedDict construction from existing TypedDict values (#22904)
Fix Self resolution for classes nested within methods (#22964)
Fix bidirectional inference with PEP 695 union type aliases (#22988)
Fix edge-case bugs when narrowing tagged unions in match statements (#22870)
Fix false-positive diagnostics when iterating over an instance of an intersection that includes a TypeVar of which the upper bound is a union where the union includes a non-iterable type (#22117)
Fix lookup of __contains__ to respect descriptors (#23056)
Fix narrowing of nonlocal variables with conditional assignments (#22966)
Fix several bugs that could affect NewTypes of NewTypes of float (#22997)
Fix several type narrowing bugs involving PEP-695 type aliases (#22894)
Fix spurious query cycles in decorated functions with parameter defaults, for improved performance and improved determinism (#23014)
Fix unary and comparison operators for TypeVars with union bounds (#22925)
Understand functions as method descriptors even if they are decorated with a decorator annotated as returning a PEP-695 alias to a Callable type (#22902)
dataclass_transform: Fix visibility of field specifiers when models are nested inside methods (#23069)

LSP server

Fix hover showing Unknown for bare Final instance attributes (#23003)
Improve support for goto-type, goto-declaration, hover, and highlighting of string annotations (#22878)
Include setters and deleters when renaming properties (#22999)
Show type qualifiers like Final in on-hover hints (#23005)

Configuration

Add new unused-type-ignore-comment rule (#22790)
Add a mechanism to ignore/warn/select all rules (#22832)
Support multiple workspace folders in a single ty LSP server instance (#22953)
Only add ./src as a search path if ./src/__init__.py(i) does not exist (#22851)

Type checking

Add a diagnostic detecting if a variable is declared as Final but never has any bindings (#23001)
Add a diagnostic detecting overridden comparison dunder methods on order=True dataclasses (#22689)
Add a hint to invalid-argument-type and invalid-assignment diagnostics if a variable is annotated with a type from the numbers module (#22931, #22938)
Add diagnostic hint on unresolved-reference to suggest using "list" instead of "List" (#22827)
Add new diagnostic for invalid dataclass field orders (#19825)
Allow a subclass method with a positional-only parameter to override a superclass method without that parameter if the parameter in the subclass method has a default value (#23037)
Allow self-referential imports outside the global scope (#22963)

Contributors

Install ty 0.0.15

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/ty/releases/download/0.0.15/ty-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/astral-sh/ty/releases/download/0.0.15/ty-installer.ps1 | iex"

Download ty 0.0.15

| File | Platform | Checksum | |--------|----------|----------| | ty-aarch64-apple-darwin.tar.gz | Apple Silicon macOS | checksum | | ty-x86_64-apple-darwin.tar.gz | Intel macOS | checksum | | ty-aarch64-pc-windows-msvc.zip | ARM64 Windows | checksum | | ty-i686-pc-windows-msvc.zip | x86 Windows | checksum | | | x64 Windows | | | | ARM64 Linux | | | | x86 Linux | | | | PPC64 Linux | | | | PPC64LE Linux | | | | S390x Linux | | | | x64 Linux | | | | ARMv7 Linux | | | | ARM64 MUSL Linux | | | | x86 MUSL Linux | | | | x64 MUSL Linux | | | | ARMv6 MUSL Linux (Hardfloat) | | | | ARMv7 MUSL Linux | |

ty

More Python Projects

AutoGPT

stable-diffusion-webui

transformers

yt-dlp