chore(release): prep 2.3.0 — bump diffctx floor to >=1.10.1

Author: nikolay-e

CHANGELOG.md

@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.3.0] - 2026-07-01
+
+### Changed
+
+- Bumped the dependency floor to `diffctx>=1.10.1,<2.0`. This pulls in a fix
+  that stops the postpass fallback from hiding real diff content in
+  `treemapper . --diff`. No treemapper API changes.
+
 ## [2.2.0] - 2026-06-20
 
 ### Changed
@@ -58,7 +66,8 @@ Releases `1.0.0` through `1.6.1` shipped TreeMapper as a self-contained package;
 that lineage was renamed to `diffctx` at `diffctx` `1.7.0`. TreeMapper `2.0.0`
 re-establishes the `treemapper` name as the product layer on top of that engine.
 
-[Unreleased]: https://github.com/nikolay-e/treemapper/compare/v2.2.0...HEAD
+[Unreleased]: https://github.com/nikolay-e/treemapper/compare/v2.3.0...HEAD
+[2.3.0]: https://github.com/nikolay-e/treemapper/compare/v2.2.0...v2.3.0
 [2.2.0]: https://github.com/nikolay-e/treemapper/compare/v2.1.0...v2.2.0
 [2.1.0]: https://github.com/nikolay-e/treemapper/compare/v2.0.0...v2.1.0
 [2.0.0]: https://github.com/nikolay-e/treemapper/releases/tag/v2.0.0

CLAUDE.md

@@ -38,12 +38,13 @@ treemapper (this repo)              diffctx (engine, PyPI dependency)
 
 ## Dependency contract
 
-- `diffctx>=1.10.0,<2.0`. The floor guarantees the `run(prog=…)` entry (so
+- `diffctx>=1.10.1,<2.0`. The floor guarantees the `run(prog=…)` entry (so
   `--help`/`--version`/errors are always branded as `treemapper` — no fallback
   path) and the diff-context orientation header + changed/context role ordering
-  shipped in diffctx 1.9.x. The `>=1.10.0` bump pulls in the diffctx 1.10 engine
-  (calibrated default `--tau` 0.12, the 256 KB MCP file cap, and the
-  document/import edge correctness fixes). Extras pass through:
+  shipped in diffctx 1.9.x. The `>=1.10.1` bump pulls in the diffctx 1.10 engine
+  (calibrated default `--tau` 0.12, the 256 KB MCP file cap, the
+  document/import edge correctness fixes) plus the 1.10.1 fix that stops the
+  postpass fallback from hiding real diff content. Extras pass through:
   `treemapper[tree-sitter]`, `treemapper[mcp]`, `treemapper[full]` install the
   matching `diffctx` extras.
 - Depend only on diffctx's **public** API (`run`, `map_directory`,

QA.md

@@ -20,7 +20,7 @@ mypy `additional_dependencies` (published-deps-only) live in the skill's
 
 ## What treemapper is
 
-Thin DRY wrapper over the `diffctx` engine (`diffctx>=1.10.0,<2.0`). `cli.py`
+Thin DRY wrapper over the `diffctx` engine (`diffctx>=1.10.1,<2.0`). `cli.py`
 delegates to `diffctx.run(prog="treemapper", version=…)` — a hard requirement,
 no fallback (the pre-1.8 fallback path was removed); `__init__.py` re-exports
 the public API.
@@ -39,8 +39,8 @@ clean venv must pull diffctx from the index, not the dev editable install:
 ```bash
 cd ~/treemapper && rm -rf dist && python -m build --wheel
 python3 -m venv /tmp/tm-clean
-/tmp/tm-clean/bin/pip install dist/treemapper-*.whl     # pulls diffctx (>=1.10.0) from PyPI
-/tmp/tm-clean/bin/treemapper --version                  # → treemapper 2.2.0
+/tmp/tm-clean/bin/pip install dist/treemapper-*.whl     # pulls diffctx (>=1.10.1) from PyPI
+/tmp/tm-clean/bin/treemapper --version                  # → treemapper 2.3.0
 # in a real git repo:
 /tmp/tm-clean/bin/treemapper . -f yaml
 /tmp/tm-clean/bin/treemapper . --diff HEAD~1
@@ -59,9 +59,9 @@ python3 -m venv /tmp/tm-clean
   diffctx out of the hook and rely on `[[tool.mypy.overrides]]
   module=["diffctx.*"] ignore_missing_imports = true` (hook → `Any`); the
   authoritative check is the local/CI `mypy src` against the real installed
-  diffctx, which is the published `>=1.10.0` engine that exposes every symbol
+  diffctx, which is the published `>=1.10.1` engine that exposes every symbol
   the wrapper calls (`run`, branded mcp).
-- **Branding is unconditional**: the `>=1.10.0` floor guarantees the
+- **Branding is unconditional**: the `>=1.10.1` floor guarantees the
   `run(prog=…, version=…)` entry, so `--help` / `--version` / errors / the MCP
   hint are always branded as `treemapper`. There is no unbranded fallback path
   to verify — any diffctx satisfying the pin brands correctly.

README.md

@@ -68,7 +68,7 @@ estimate), so you know the real context cost before you paste.
 ## Relationship to diffctx
 
 TreeMapper is the user-facing distribution; `diffctx` is the reusable engine.
-Pin compatibility is `diffctx>=1.10.0,<2.0`. If you are embedding the engine in
+Pin compatibility is `diffctx>=1.10.1,<2.0`. If you are embedding the engine in
 your own tool, depend on `diffctx` directly.
 
 ## License

pyproject.toml

@@ -44,7 +44,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 dependencies = [
-  "diffctx>=1.10.0,<2.0",
+  "diffctx>=1.10.1,<2.0",
 ]
 optional-dependencies.dev = [
   "mypy>=2.1.0,<3.0",
@@ -56,13 +56,13 @@ optional-dependencies.dev = [
   "types-pyyaml>=6.0.12.20260518,<7.0",
 ]
 optional-dependencies.full = [
-  "diffctx[full]>=1.10.0,<2.0",
+  "diffctx[full]>=1.10.1,<2.0",
 ]
 optional-dependencies.mcp = [
-  "diffctx[mcp]>=1.10.0,<2.0",
+  "diffctx[mcp]>=1.10.1,<2.0",
 ]
 optional-dependencies.tree-sitter = [
-  "diffctx[tree-sitter]>=1.10.0,<2.0",
+  "diffctx[tree-sitter]>=1.10.1,<2.0",
 ]
 urls.Changelog = "https://github.com/nikolay-e/treemapper/releases"
 urls.Homepage = "https://github.com/nikolay-e/treemapper"