chore: release 2.2.0 (#54)

Kackar-Harville corrected standard errors on by default (#53). Additive: a
new default covariance and a covariance(method=) accessor; fitted values do
not change. Also moves the #53 changelog entry, which a rebase had left under
the 2.1.0 heading, to its own.


Claude-Session: https://claude.ai/code/session_01PZt6R8JxWA1mgW8rUasQmi

Co-authored-by: Claude Opus 5 <noreply@anthropic.com>

Author: soodoku

CHANGELOG.md

@@ -7,7 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## [2.1.0] - 2026-09-03
+## [2.2.0] - 2026-09-03
 
 ### Added
 
@@ -39,6 +39,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `alsgls.kackar_harville` module; `GramBlocks` / `assemble_blocks` in
   `alsgls.ops`, the block assembly factored out of `compute_XtSigmaInvX`.
 
+## [2.1.0] - 2026-09-03
+
 ### Added
 
 - **`results.bootstrap(B, method, seed)`** on both `ALSGLSSystemResults` and

CITATION.cff

@@ -6,7 +6,7 @@ authors:
     given-names: "Gaurav"
     email: "contact@gsood.com"
 title: "alsgls: Lightweight low-rank-plus-diagonal GLS/SUR estimation"
-version: 2.1.0
+version: 2.2.0
 date-released: 2026-09-03
 url: "https://github.com/finite-sample/alsgls"
 repository-code: "https://github.com/finite-sample/alsgls"

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "uv_build"
 
 [project]
 name = "alsgls"
-version = "2.1.0"
+version = "2.2.0"
 description = "Type-safe lightweight low-rank+diagonal GLS/SUR solver via ALS"
 readme = "README.md"
 requires-python = ">=3.11"