Revert to 44.2.2 baseline, mark yanked versions, bump to 44.6.0

CHANGELOG.md

@@ -1,88 +1,12 @@
 # Changelog
 
-## 44.5.0 [#1368](https://github.com/openfisca/openfisca-core/pull/1368)
-
-#### New features
-
-- Add `transition_formula` to `Variable` for formula-driven `as_of` forward simulation.
-  - A variable with `transition_formula` computes sparse updates instead of full arrays: the formula returns `(selector, values)` where `selector` is a boolean mask or index array, and `values` is the new values for the selected individuals.
-  - Each call to `get_array` at a new period triggers the transition formula once (guarded by `_as_of_transition_computed`), applies the sparse diff via `set_input_sparse`, and caches the result.
-  - `set_input_sparse` is also exposed as a public method on `Holder` for callers that want to apply sparse patches directly.
-
-- Add `initial_formula` to `Variable` for seeding `as_of` variables without a prior `set_input`.
-  - When a `transition_formula` needs to read the variable at `period - 1` but no base snapshot exists, OpenFisca now calls `initial_formula` instead of raising an error.
-  - `initial_formula` follows the same date-dispatch convention as regular formulas (`initial_formula_YYYY`, `initial_formula_YYYY_MM`, etc.).
-  - Requires `as_of = True` on the same variable; a `ValueError` is raised at definition time otherwise.
-
-- Add multi-snapshot LRU cache to `as_of` variable holders.
-  - Replaces the previous single-entry snapshot cursor with an `OrderedDict`-based LRU cache keeping the K most-recently-used reconstructed snapshots.
-  - Cache size defaults to 3 and is configurable per variable (`Variable.snapshot_count`) or globally (`MemoryConfig.asof_max_snapshots`), with variable-level taking priority.
-  - Retroactive `set_input` (out-of-order writes) evicts all cached snapshots at or after the written instant to preserve correctness.
-
-- Add `formula_type` field to `TraceNode` for `as_of` formula visibility.
-  - When `transition_formula` or `initial_formula` runs, the tracer records `formula_type = "transition"` or `formula_type = "initial"` on the corresponding trace node.
-
-- Add `show_formula_type` option to `computation_log`.
-  - `simulation.tracer.computation_log.print_log(show_formula_type=True)` appends `[transition]` or `[initial]` tags to the relevant lines, making it easy to see which `as_of` formula ran during a simulation.
-
-#### Bug fixes
-
-- Fix false `SpiralError` when a `transition_formula` reads its own variable at the previous period.
-  - The existing spiral detector raised `SpiralError` immediately when the same variable appeared in the call stack at any different period, which always triggers for temporal recursion (`V@P` → `V@P-1` → `V@P-2`).
-  - Fix: in `_calculate_transition`, the cycle check is replaced by `_check_for_strict_cycle`, which only raises `CycleError` for the exact same `(variable, period)` pair. Termination is guaranteed by `_as_of_transition_computed`.
-
-## 44.4.1
-
-#### Performance improvements
-
-- Fix quadratic reconstruction cost in `as_of` forward simulations.
-  - In the typical GET(M-1) → compute → SET(M) monthly loop, `_set_as_of` was unconditionally clearing the snapshot cursor after each write, forcing the next `get_array(M)` to reconstruct from the base through all M patches — O(N + M·k) per step, quadratic overall.
-  - Root cause: `_reconstruct_at` advanced the snapshot to `instant` during the internal diff computation, so the invalidation guard `snapshot[0] >= instant` triggered on equality even for strictly forward writes.
-  - Fix: when the new patch is appended at the end of the list (forward-sequential SET), the snapshot is updated to the new state instead of being discarded. Retroactive (out-of-order) writes still invalidate the snapshot correctly.
-  - Benchmark (N=1M, forward simulation): 1 yr / 10% change ×1.4, 5 yr / 10% ×4.1, 5 yr / 30% ×5.4.
-
-## 44.4.0 [#1366](https://github.com/openfisca/openfisca-core/pull/1366)
-
-#### Performance improvements
-
-- Replace dense array storage with sparse patch storage for `as_of` variables.
-  - Instead of storing one full array per `set_input` call, the holder now keeps a single base array and a list of `(instant, changed_indices, changed_values)` patches.
-  - Memory reduction: ~60× for a 0.5% monthly change rate over 120 months (e.g. ~4 MB vs ~240 MB for 1M individuals).
-  - GET performance: a snapshot cursor makes forward-sequential reads O(k) (only new patches applied) instead of O(N); backward jumps degrade gracefully to O(N + k×P).
-  - Retroactive `set_input` (out-of-order patches) is supported with automatic snapshot invalidation.
-  - No change to the public API (`set_input`, `get_array`, `Variable.as_of`).
-- Fix quadratic reconstruction cost in `as_of` forward simulations: when the new patch is appended at the end (forward-sequential SET), the snapshot is updated instead of discarded so the next GET does not reconstruct from base through all patches; retroactive writes still invalidate correctly.
-
-## 44.4.0 [#1364](https://github.com/openfisca/openfisca-core/pull/1364)
-
-#### New features
-
-- **Entity links**: role-based and positional accessors, and dynamic population period-index helpers.
-  - `Many2OneLink.get_by_role(variable_name, period, role_value=...)`, `One2ManyLink.get_by_role(...)` and `ImplicitOne2ManyLink.get_by_role(...)`.
-  - `Many2OneLink.rank(variable_name, period)` (and on chained getter, e.g. `person.links["mother"].household.rank("age", period)`).
-  - `One2ManyLink.nth(n, variable_name, period, role=..., condition=...)` for the n-th target member per source.
-  - `has_role(role_value)` now supports `Role` objects (comparison by `.key`) in addition to raw values.
-  - `CorePopulation.snapshot_period(period)` and `get_period_id_to_rownum(period)` for optional dynamic-population period indexing.
-
-#### Technical changes
-
-- Removed unused `openfisca_core.model_api` import in `tests/core/parameters_date_indexing/test_date_indexing.py`.
-- SimulationBuilder sets `_id_to_rownum` identity mapping for static simulations (`build_default_simulation`, `build_from_dict` / `build_from_entities`), for dynamic-population support.
-- Add `PYTHON` variable to `tasks/lint.mk` so `make lint PYTHON=.venv/bin/python` works; fix style in `test_link_accessors.py` and remove unused variable in `test_many2one.py`.
-
-## 44.3.0 [#1365](https://github.com/openfisca/openfisca-core/pull/1365)
-
-#### New features
-
-- **Generic Entity Links (Phase 1-6)**: Introduced a new Liam2-inspired generic entity linking system avoiding rigid hierarchies like `Person -> Household`.
-  - Added new `Many2OneLink` and `One2ManyLink` models to create powerful inter-entity networks (e.g., `Person -> Employer`).
-  - Added implicit links directly binding members arrays. This powers the new `population.links` property natively inside `TaxBenefitSystem.instantiate_entities()`.
-  - Full capability to chain relationships via python: `person.mother.household.get("rent", period)`.
-  - Powerful vectorized declarative aggregations out-of-the-box (e.g., `households.persons.sum("salary", period, condition=is_female)`).
+## 44.6.0
 
 #### Technical changes
 
-- Backward compatibility is 100% maintained. Existing syntax via Projectors natively redirects to implicit links via modified `__getattr__`.
+- Revert the codebase to commit `8d26af3` to align the repository with the currently published `44.2.2` baseline on PyPI.
+- Mark versions `44.3.0`, `44.4.0`, `44.4.1`, and `44.5.0` as yanked.
+- Bump version to `44.6.0` to restore continuous deployment from this reverted baseline.
 
 ## 44.2.2