v0.0.20 - 2026-08-09

What's Changed

• Populate class __annotations__ (stringized) by @rewitt94 in #593
• tidy up max allocations remnants by @davidhewitt in #618
• fix npm audit warnings in monty js by @davidhewitt in #617
• Remove the ResourceTracker generic, always use ResourceTracker by @samuelcolvin in #613
• Track iterator types for GC so their cycles can't evade collection by @rewitt94 in #620
• Support function decorators by @rewitt94 in #590
• Support Path / Path and reflected str / Path in the / operator by @samuelcolvin in #621
• Update yanked spin 0.9.8 -> 0.9.9 and 0.10.0 -> 0.10.1 in Cargo.lock by @samuelcolvin in #623
• Bound nesting of class-body expressions walked before parsing by @rewitt94 in #624
• unify ExtFunction types by @davidhewitt in #598
• create cells for captured comprehension values by @davidhewitt in #605
• split all binary operators to be proper methods on PyTrait by @davidhewitt in #568
• split MontyIter into dedicated iterator types by @davidhewitt in #602
• implement file handle API for TS by @davidhewitt in #599
• clean up old opcodes, add dump version at the Rust level by @davidhewitt in #607
• Dispatch user-defined __iter__ / __next__ / __contains__ by @rewitt94 in #609
• Count the module's pending result in the strict ref-count check by @rewitt94 in #627
• Move py_contains onto PyTrait, fix in for bytes, add coverage by @rewitt94 in #625
• Implement os.listdir and filesystem wrappers in the os module by @samuelcolvin in #622
• Fix remaining py_contains issues from the #625 review by @rewitt94 in #628
• Add a ShutdownDump turn-ender and cheap frame classification by @samuelcolvin in #630
• Add itertools foundation with count and repeat by @rewitt94 in #632
• cleanups to some drop branches by @davidhewitt in #633
• Native @dataclass defined inside the sandbox by @rewitt94 in #626
• Add collections: deque, namedtuple, defaultdict, Counter by @rewitt94 in #608
• Bound the source-pattern text retained by the regex cache by @samuelcolvin in #644
• Bound native dataclass equality by the recursion-depth limit by @rewitt94 in #641
• Make monty-pool async end-to-end by @samuelcolvin in #639
• Refactor try/finally compilation onto a CPython-style frame-block stack by @samuelcolvin in #648
• Review Skills by @samuelcolvin in #651
• make benchmarks async properly by @davidhewitt in #652
• Shrink HeapData from 160 to 80 bytes by boxing large variants by @samuelcolvin in #636
• Apply new drop standards to the collections code by @rewitt94 in #653
• Add itertools adaptors: pairwise, compress, islice, chain, cycle by @rewitt94 in #635
• move py_set_attr onto PyTrait by @davidhewitt in #638
• implement NotImplemented and use it for user equality by @davidhewitt in #567
• Make bytes substring search linear and interruptible by @rewitt94 in #643
• Apply memory limit via custom allocator by @samuelcolvin in #646
• Windows path-parsing mount escape by @rewitt94 in #655
• attempt to configure telemetry via bindings or monty-runtime logfire by @davidhewitt in #662
• Re-validate cached overlay host paths on every read by @rewitt94 in #656
• Memory limit followups by @samuelcolvin in #667
• move to soft memory limit in allocator by @davidhewitt in #668
• vendor abc.pyi so @abstractmethod members keep their types by @samuelcolvin in #671
• Cleanup typechecking by @samuelcolvin in #674
• uprev pyo3 to 0.29.2 by @samuelcolvin in #675
• Fix test_type_check_format_not_a_string against pyo3 0.29.2 by @rewitt94 in #677
• Add Macroscope review config (correctness tuning, ignore, approvability) by @strawgate in #679
• Confine mounts with cap-std descriptors instead of path checks by @rewitt94 in #669
• Mount confinement defects by @samuelcolvin in #680
• Close the mount defects the confinement PR deferred by @samuelcolvin in #681
• Drop logfire from CLI by default by @samuelcolvin in #683
• Split pydantic-monty into a metapackage over client and runtime by @samuelcolvin in #678
• Stop mount path walks costing a lookup per level squared by @samuelcolvin in #684
• Add raw wire-level turns to monty-pool, bump logfire to 0.12 by @samuelcolvin in #687
• Remove the peek module by @samuelcolvin in #688
• Move monty version to types by @samuelcolvin in #689
• Bound nested itertools adaptors by the recursion limit by @samuelcolvin in #685
• rename files to mod.rs, stop annoying usize_field warnings by @samuelcolvin in #690
• Collapse the two dump versions into one session dump format by @samuelcolvin in #692
• Send a WebSocket Close frame on worker teardown by @samuelcolvin in #691
• Ci split test-rust by @samuelcolvin in #694
• Version the wire protocol independently of the package by @samuelcolvin in #693
• Bump version to v0.0.20 by @samuelcolvin in #695

Full Changelog: v0.0.19...v0.0.20