update changelog

CHANGELOG.rst

@@ -1,3 +1,9 @@
+[6.2.0] - 2021-04-22
+====================
+- Support for integration of foreign workflow management systems by introducing a ``handover`` directive that passes on all resources to a particular rule (which can then invoke another workflow management system). See the docs ("Integrating foreign workflow management systems") (@johanneskoester).
+- Behavior improvement for temp handling of checkpoint rules (@epruesse).
+- Several improvements in the docs (@johanneskoester).
+
 [6.1.2] - 2021-04-20
 ====================
 - Fixed several glitches in paramspace implementation (handling of bools, returning scalar values) (@kpj).

docs/snakefiles/foreign_wms.rst

@@ -18,7 +18,7 @@ Consider the following example:
             fasta="data/genome.fasta",
             gtf="data/genome.gtf",
         output:
-            "multiqc/multiqc_report.html",
+            "multiqc/broadPeaks/multiqc_report.html",
         params:
             pipeline="nf-core/chipseq",
             revision="1.2.1",

docs/snakefiles/rules.rst

@@ -1417,6 +1417,10 @@ From Snakemake 5.31 on (inspired by `JUDI <https://pyjudi.readthedocs.io>`_), th
         shell:
             "touch {output}"
 
+
+In above example, **please note** the Python ``f``-string formatting (the ``f`` before the initial quotes) applied to the input and output file strings that contain ``paramspace.wildcard_pattern``.
+This means that the file that is registered as input or output file by Snakemake does not contain a wildcard ``{paramspace.wildcard_pattern}``, but instead this item is replaced by a pattern of multiple wildcards derived from the columns of the paramter space dataframe.
+This is done by the Python ``f``-string formatting before the string is registered in the rule.
 Given that `params.tsv` contains:
 
 .. code-block:: none