Releases

1. ▸▾0.6.019 May 2026

   Per-accessor identity contract #121

   Fieatures

   • Per-accessor identity contract #121

   Upgrades

   • Python 3.14 support #106

   Open source →
2. ▸▾0.5.020 Feb 2026Deprecated

   Deprecated legacy accessor/path methods: iter, iteritems, content, get, getkey. #29

   Features

   • Added richer accessor/path APIs, including AccessorPath.read_value, subscriptable accessors, improved AccessorPath.get overloads, NodeAccessor.getitem, pathlib-style path manipulation, and traversability support. #29 #31 #85 #93 #66 #89 #91
   • Improved performance in core hot paths, including faster parse_parts, optimized getitem, faster membership checks, and better per-instance caching behavior. #92 #104 #103 #87 #71
   • Expanded parsing and typing guarantees with stronger parsing contracts and broader bytes/PathLike test coverage. #80 #81

   Fixes

   • Improved correctness and diagnostics across accessors and paths, including tighter KeyError messages and more consistent len()/keys() behavior. #84 #75 #73
   • Improved filesystem/stat error handling with better OSError handling in accessor flows. #69
   • Fixed separator correctness in core path operations. #67
   • Fixed AccessorPath child-return behavior for getitem. #94

   Backward incompatibilities

   • Dropped Python 3.7, 3.8, and 3.9 support. #24 #25 #101
   • Python baseline is now 3.10+. #101
   • BaseAccessor has been replaced by NodeAccessor. #39
   • AccessorPath is now generic. #39

   Deprecations

   • Deprecated legacy accessor/path methods: iter, iteritems, content, get, getkey. #29
   • Deprecated content in favor of newer accessor patterns. #13

   Maintenance and tooling

   • Removed pyrsistent dependency. #82
   • Added benchmark suite and CI benchmark workflow. #77 #102
   • Updated development and CI tooling (mypy, pytest, pytest-cov, flynt, pre-commit, black, isort, GitHub Actions components). #95 #96 #97 #98 #99 #100 #59 #58 #56 #54 #53 #51 #49 #48 #47 #42 #41 #36 #35 #34 #19 #18 #17 #16 #23 #22 #21 #20