docs: mention rattler-build

Author: casperdcl

.github/workflows/README.md

@@ -12,7 +12,7 @@ The jobs are:
   + uses default (GitHub-hosted) runners to run tests on the min & max supported Python & NumPy versions
   + `python -m unittest discover -v ./Wrappers/Python/test`
 - `conda`
-  + uses `conda-build` to build the conda package (saved as a build artifact named `cil-py3.m-OS`)
+  + uses `rattler-build` to build the conda package (saved as a build artifact named `conda-py3.m-OS`)
 - `docs`
   + uses `docs/docs_environment.yml` plus `make -C docs` to build the documentation (saved as a build artifact named `DocumentationHTML`)
   + renders to the `gh-pages` branch on `master` (nightly) pushes or on tag (release) pushes
@@ -39,12 +39,12 @@ When opening or modifying a pull request to `master`, two variants are built and
 > [!NOTE]
 > The action publishes `ccpi` as well as `https://tomography.stfc.ac.uk/conda/` conda channels. We will eventually move to conda-forge instead.
 
-It looks for conda-build dependencies in the channels listed [here](./build.yml#L118). If you add any new dependencies, the appropriate channels need to be added to this line.
+It looks for dependencies in the channels listed in the `rattler-build-action`'s `build-args` [here](./build.yml). If you add any new dependencies, the appropriate channels need to be added to this line.
 
 > [!TIP]
-> The `conda` job builds the `*.tar.bz2` package and uploads it as an artifact called `cil-py3.m-OS`.
+> The `conda` job builds the `*.conda` package and uploads it as an artifact called `conda-py3.m-OS`.
 > It can be found by going to the "Actions" tab, and selecting the appropriate run of `.github/workflows/build.yml`, or by clicking on the tick on the action in the "All checks have passed/failed" section of a PR. When viewing the "Summary" for the run of the action, there is an "Artifact" section at the bottom of the page.
-> Clicking on `cil-py3.m-OS` allows you to download a zip folder containing the `*.tar.bz2` file.
+> Clicking on `conda-py3.m-OS` allows you to download a zip folder containing the `*.conda` file.
 
 ### docs
 

CHANGELOG.md

@@ -11,7 +11,8 @@
     - Fixed behaviour of `ZeissDataReader` when negative values are passed in the ROI (#2244)
     - Fix `show2D` truncating plots when count is not a multiple of `num_cols` (#2315)
   - Dependencies:
-    - olefile and dxchange are optional dependencies, instead of required (#2209)
+    - `olefile` and `dxchange` are optional dependencies, instead of required (#2209, #2321)
+    - fix missing `packaging` required dependency (#2321)
     - dxchange minimum version set to 0.2.1 to fix #2256 (#2268)
     - improve `tqdm` notebook support (#2241)
     - cvxpy version set to !=1.8.2 to fix #2303 (#2306)
@@ -25,6 +26,8 @@
     - Add prefix argument to TIFFStackReader to load a subset of TIFF files in
     a folder (#2239)
     - Update ASTRA interface to `direct_FP3D/BP3D` removing copies for GPU `ProjectionOperator` calls (#2134)
+  - Testing:
+    - migrate from `conda build` to `rattler-build`
 
 * 25.0.0
   - New features: