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Compiled native classes become unhashable if ordered comparison methods are defined

Status: Open.

#1173 In mypyc/mypyc;

· dhdaines opened on Dec 22, 2025

Attributes on serializable classes are invisible outside compilation unit

Status: Open.

#1172 In mypyc/mypyc;

· dhdaines opened on Dec 22, 2025

<code>mypyc</code> crashes with union type containing base class and its descendants in list iteration

Status: Open.

#1171 In mypyc/mypyc;

· romintomasetti opened on Dec 21, 2025

I have a lot of open PRs which makes review difficult. This is a short guide to help make it easier on maintainers.

Status: Open.

#1169 In mypyc/mypyc;

· BobTheBuidler opened on Dec 8, 2025

[mypyc] <code>dataclass</code> and <code>NamedTuple</code> fail when typed with <code>np.ndarray</code>

Status: Open.

#1167 In mypyc/mypyc;

· lgeiger opened on Dec 5, 2025

Match statement on tuple does not match Python semantics

Status: Open.

#1166 In mypyc/mypyc;

· marten-de-vries opened on Dec 4, 2025

Compile failure when importing <code>StrEnum</code> from <code>backports.strenum</code> but works when importing from <code>backports.strenum.strenum</code>

Status: Open.

#1163 In mypyc/mypyc;

· romintomasetti opened on Nov 4, 2025

<code>&lt;...&gt;</code> object expected, got dict (when forwarding with <code>**kwarg</code>)

Status: Open.

#1162 In mypyc/mypyc;

· romintomasetti opened on Nov 3, 2025

mypyc compiled projects cannot be used for (flake8) plugins

Status: Open.

#1161 In mypyc/mypyc;

· kasium opened on Nov 3, 2025

Extending ast.AST fails with "has the Py_TPFLAGS_MANAGED_DICT flag but tp_dictoffset is set"

Status: Open.

#1160 In mypyc/mypyc;

· kasium opened on Nov 3, 2025

TYPE_CHECKING block leads to "Reached allegedly unreachable code!"

priority-0-high

python compatMypyc doesn't match CPython or documented semantics.Mypyc doesn't match CPython or documented semantics.

Status: Open.

#1159 In mypyc/mypyc;

· kasium opened on Oct 31, 2025

Individual dict and set item removals leak memory in async context

Status: Open.

#1157 In mypyc/mypyc;

· Chainfire opened on Oct 22, 2025