docs: Prepare and document 5.1.0

Author: kspurgin

CHANGELOG.adoc

@@ -39,6 +39,22 @@ For example, if the release version/tag is `3.2.1`, and PR# 107 is merged withou
 
 === Added
 
+=== Bugfixes
+
+=== Changed
+
+=== Deleted
+
+=== Deprecated/Will break in a future version
+
+=== Dev
+
+== Releases
+
+=== 5.1.0 - 2025-11-20
+
+==== Added
+
 * `Count::UniqueVals` transform.
 In https://github.com/lyrasis/kiba-extend/pull/229[PR#229]
 * `Delete::FieldValueConditional` transform.
@@ -50,7 +66,7 @@ In https://github.com/lyrasis/kiba-extend/pull/237[PR#237]
 * `Kiba::Extend::Job.output_fields` method.
 In https://github.com/lyrasis/kiba-extend/pull/238[PR#238]
 
-=== Bugfixes
+==== Bugfixes
 
 * Do not warn about missing `delim` parameter in `Prepend::ToFieldValue` transform when `multival` param is not given.
 In https://github.com/lyrasis/kiba-extend/pull/229[PR#229]
@@ -59,16 +75,6 @@ In https://github.com/lyrasis/kiba-extend/pull/229[PR#229]
 * Fix interaction of occs, examples and compiling in `Deduplicate::Table` transform.
 In https://github.com/lyrasis/kiba-extend/pull/229[PR#229]
 
-=== Changed
-
-=== Deleted
-
-=== Deprecated/Will break in a future version
-
-=== Dev
-
-== Releases
-
 === 5.0.0 - 2025-09-10
 
 ==== Breaking

lib/kiba/extend/job.rb

@@ -10,6 +10,7 @@ module Job
       # @return [nil, Array<Symbol>] headers/fields for given job output
       # @note Only works for CSV and JsonArray destinations. For JsonArray, only
       #   returns the top-level fields of the objects/rows in the output.
+      # @since 5.1.0
       def output_fields(jobkey)
         return unless output?(jobkey)
 

lib/kiba/extend/jobs.rb

@@ -70,7 +70,7 @@ module Extend
     #   Kiba::Extend::Transforms::Clean::EnsureConsistentFields transform
     #   can be added to the end of multi-source jobs to prevent this error.
     #
-    # #### More flexible lookup file definition
+    # #### More flexible lookup file definition - since 5.1.0
     #
     # Lookups defined as shown above depend upon a `:lookup_on` field being
     #   configured for the job in the registry.

lib/kiba/extend/transforms/count/unique_vals.rb

@@ -6,6 +6,7 @@ module Transforms
       module Count
         # Write count of unique values in field to the given target field.
         #   Optionally, group the values under another field for counting
+        # @since 5.1.0
         # @note This transform runs in memory, so for very large
         #   sources, it may take a long time or fail.
         # @example Ungrouped, case sensitive, do not count blanks

lib/kiba/extend/transforms/deduplicate/field_group.rb

@@ -8,6 +8,7 @@ module Deduplicate
         #   grouped fields that expect the same number of values for each field
         #   in the grouping
         #
+        # @since 5.1.0
         # @note Tread with caution, as this has not been used much and is not
         #   extensively tested.
         #

lib/kiba/extend/transforms/delete/field_value_conditional.rb

@@ -6,6 +6,7 @@ module Transforms
       module Delete
         # Delete a field value if the arbitrary Lambda passed in evaluates to
         #   true
+        # @since 5.1.0
         #
         # @example Without delim
         #   xform = Delete::FieldValueConditional.new(