Group Changelog into breaking and compatible changes

CHANGELOG.adoc

@@ -13,10 +13,28 @@ For a detailed view of what has changed, refer to the {url-repo}/commits/main[co
 
 == Unreleased
 
+=== Breaking changes
+
+Improvement::
+
+* Fix Macro APIs to take StructuralNodes and return Phrase- or StructuralNodes. (#1084)
+* Allow Preprocessor extensions to create new Readers and replace the original Reader. (#1081)
+* Set Java 11 as the minimal version (#1151) (@abelsromero)
+* Remove deprecated methods in Options, OptionsBuilder, Attributes & AttributesBuilder (#1199) (@abelsromero)
+* Remove deprecated methods from Asciidoctor interface (#1201) (@abelsromero)
+* Remove deprecated methods from Document interface (#1202) (@abelsromero)
+* Remove deprecated methods and constants from extension package (#1203) (@abelsromero)
+* Remove deprecated methods from ast package (#1204) (@abelsromero)
+
+Bug Fixes::
+
+* Fix CLI target file location for source files relative to source dir (#1135) (@AlexCzar)
+* -s CLI option should be changed to -e to align with Asciidoctor (#1237) (@mojavelinux)
+
+=== Compatible changes
+
 Improvement::
 
-* BREAKING: Fix Macro APIs to take StructuralNodes and return Phrase- or StructuralNodes. (#1084)
-* BREAKING: Allow Preprocessor extensions to create new Readers and replace the original Reader. (#1081)
 * Add command line option --failure-level to force non-zero exit code from AsciidoctorJ CLI if specified logging level is reached. (#1114)
 * Upgrade to asciidoctorj 2.0.20 (#1208)
 * Upgrade to asciidoctorj-pdf 2.3.7 (#1182)
@@ -28,29 +46,21 @@ Improvement::
 * Replace use of deprecated 'numbered' attribute by 'sectnums' (#1123) (@abelsromero)
 * Expose `source` and `source_lines` use of deprecated 'numbered' in Document interface (#1145) (@abelsromero)
 * Accept 'null' as valid input (same as empty string) for load and convert String methods (#1148) (@abelsromero)
-* Set Java 11 as the minimal version (#1151) (@abelsromero)
 * Create `asciidoctorj-cli` module to prevent unnecessary dependencies to asciidoctorj jar consumers (#1149)
 * Add required `--add-opens` to cli launch script to remove Jdk warnings (#1155) (@abelsromero)
 * Rename deprecated `headerFooter` option to the new `standalone` with same functionality (#1155) (@abelsromero)
 * Remove class `AsciidoctorUtils` to remove complexity and unused logging (#1169) (@abelsromero)
 * Expose ImageReferences in the catalog (#1166) (@abelsromero)
 * Return Document AST when using convert or convertFile with appropriate options (#1171) (@abelsromero)
 * Expose Links in the catalog (#1183) (@abelsromero)
-* BREAKING: Remove deprecated methods in Options, OptionsBuilder, Attributes & AttributesBuilder (#1199) (@abelsromero)
-* BREAKING: Remove deprecated methods from Asciidoctor interface (#1201) (@abelsromero)
-* BREAKING: Remove deprecated methods from Document interface (#1202) (@abelsromero)
-* BREAKING: Remove deprecated methods and constants from extension package (#1203) (@abelsromero)
-* BREAKING: Remove deprecated methods from ast package (#1204) (@abelsromero)
 
 Bug Fixes::
 
-* BREAKING: Fix CLI target file location for source files relative to source dir (#1135) (@AlexCzar)
 * Cell nodes do not inherit from StructuralNode (#1086) (@rahmanusta)
 * Avoid throwing an exception when using AsciidoctorJ CLI and reading input from stdin (#1105) (@AlexCzar)
 * Remove destinationDir Option from API (use toDir instead) (#853, #941) (@abelsromero)
 * Fix ConcurrentModificationException when converting to stream concurrently (#1158) (@rocketraman)
 * 'UnsupportedOperationException' when passing immutable Map as options to 'createPhraseNode' (#1221) (@abelsromero)
-* -s CLI option should be changed to -e to align with Asciidoctor (#1237) (@mojavelinux)
 
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