Set version to v0.22.1

CHANGELOG.md

+# v0.22.1 (2024-07-04)
+
+## Bugfixes
+- Fix reuse of externals on Linux (#44316)
+- Ensure parent gcc-runtime version >= child (#44834, #44870)
+- Ensure the latest gcc-runtime is rpath'ed when multiple exist among link deps (#44219)
+- Improve version detection of glibc (#44154)
+- Improve heuristics for solver (#44893, #44976, #45023)
+- Make strong preferences override reuse (#44373)
+- Reduce verbosity when C compiler is missing (#44182)
+- Make missing ccache executable an error when required (#44740)
+- Make every environment view containing `python` a `venv` (#44382)
+- Fix external detection for compilers with os but no target (#44156)
+- Fix version optimization for roots (#44272)
+- Handle common implementations of pagination of tags in OCI build caches (#43136)
+- Apply fetched patches to develop specs (#44950)
+- Avoid Windows wrappers for filesystem utilities on non-Windows (#44126)
+- Fix issue with long filenames in build caches on Windows (#43851)
+- Fix formatting issue in `spack audit` (#45045)
+- CI fixes (#44582, #43965, #43967, #44279, #44213)
+
+## Package updates
+- protobuf: fix 3.4:3.21 patch checksum (#44443)
+- protobuf: update hash for patch needed when="@3.4:3.21" (#44210)
+- git: bump v2.39 to 2.45; deprecate unsafe versions (#44248)
+- gcc: use -rpath {rpath_dir} not -rpath={rpath dir} (#44315)
+- Remove mesa18 and libosmesa (#44264)
+- Enforce consistency of `gl` providers (#44307)
+- Require libiconv for iconv (#44335, #45026).
+  Notice that glibc/musl also provide iconv, but are not guaranteed to be
+  complete. Set `packages:iconv:require:[glibc]` to restore the old behavior.
+- py-matplotlib: qualify when to do a post install (#44191)
+- rust: fix v1.78.0 instructions (#44127)
+- suite-sparse: improve setting of the `libs` property (#44214)
+- netlib-lapack: provide blas and lapack together (#44981)
+
+
 # v0.22.0 (2024-05-12)
 
 `v0.22.0` is a major feature release.
@@ -82,21 +119,22 @@
     spack install zlib cflags=\"-O2 -g\"
     ```
 
-    That will now result in an error. The correct format (which you probably expected in
-    the first place) is:
+    That will now result in an error, but you can now write what you probably expected
+    to work in the first place:
 
     ```
     spack install zlib cflags="-O2 -g"
     ```
 
-    Quoted can also now include special characters, enabling commands like:
+    Quoted can also now include special characters, so you can supply flags like:
 
     ```
-    spack install zlib ldflags='-Wl,-rpath=$ORIGIN/_libs'
+    spack intall zlib ldflags='-Wl,-rpath=$ORIGIN/_libs'
     ```
 
-    To reduce ambiguity in parsing, do *not* put spaces around `=` and `==` in
-    flags or variants, as this will now result in an error:
+    To reduce ambiguity in parsing, we now require that you *not* put spaces around `=`
+    and `==` when for flags or variants. This would not have broken before but will now
+    result in an error:
 
     ```
     spack install zlib cflags = "-O2 -g"
@@ -162,7 +200,7 @@
          include: ["openmpi"]
    ```
 
-6. **Add new `redistribute()` directive**
+6. **New `redistribute()` directive**
 
    Some packages can't be redistributed in source or binary form. We need an explicit
    way to say that in a package.
@@ -290,11 +328,14 @@
 * Support for prereleases (#43140)
 * Only reuse externals when configured (#41707)
 * Environments: Add support for including views (#42250)
-   * Make signed/unsigned a mirror configuration property (#41507)
+
+## Binary caches
+* Build cache: make signed/unsigned a mirror property (#41507)
+* tools stack
 
 ## Removals, deprecations, and syntax changes
 * remove `dpcpp` compiler and package (#43418)
-   * `spack load`: remove --only argument (#42120)
+* spack load: remove --only argument (#42120)
 
 ## Notable Bugfixes
 * repo.py: drop deleted packages from provider cache (#43779)

lib/spack/spack/__init__.py

@@ -4,7 +4,7 @@
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 #: PEP440 canonical <major>.<minor>.<micro>.<devN> string
-__version__ = "0.22.1.dev0"
+__version__ = "0.22.1"
 spack_version = __version__