Fill the What's new section (retroactively, back to 2021)

modular-docs-manual/content/topics/whats-new.adoc

@@ -11,7 +11,85 @@ For a complete list of changes, see link:https://github.com/redhat-documentation
 // * <Brief description of change. Include an inline link to the relevant section of the guide.>
 // link:<URL of the GitHub issue associated with this change>
 
+
+== 2023: December
+
+* Added the *What's new* section to the Modular documentation reference guide.
+link:https://github.com/redhat-documentation/modular-docs/pull/214[#214]
+
+* Added references to the *link:https://redhat-documentation.github.io/supplementary-style-guide/#shortdesc[Short descriptions]* section in the Red&nbsp;Hat SSG to provide detailed guidelines for the introduction of an assembly or a module.
+link:https://github.com/redhat-documentation/modular-docs/pull/216/[#216]
+
+
+== 2023: September
+
+* Added guidance for solving the problem when *both* your assembly and the last module included in that assembly contain an *Additional resources* section to the modular documentation assembly template.
+link:https://github.com/redhat-documentation/modular-docs/pull/210[#210]
+
+
 == 2023: August
 
-* Updated the name of the content type attribute in the templates from `:_content-type:` to `:_mod-docs-content-type:`.
+* Updated the name of the *content type attribute* in the templates from `:_content-type:` to `:_mod-docs-content-type:`.
 link:https://github.com/redhat-documentation/modular-docs/issues/203[#203]
+
+
+== 2023: May
+
+* Removed the *module prefixes* (`proc_`, `con_`, and `ref_`) from anchors (IDs) both in the reference guide and the module templates.
+link:https://github.com/redhat-documentation/modular-docs/pull/201[#201]
+
+
+== 2022: September
+
+* Added a guidance for *assembly titles*.
+link:https://github.com/redhat-documentation/modular-docs/pull/192[#192]
+
+
+== 2022: August
+
+* Added many clarifications to the guidance covering modules and assemblies. Added definitions for the *Limitations*, *Troubleshooting*, and *Next steps* sections in procedure modules.
+link:https://github.com/redhat-documentation/modular-docs/pull/208[#208]
+
+* Updated the name of the *content type attribute* in the templates from `:_module-type:` to `:_content-type:`.
+link:https://github.com/redhat-documentation/modular-docs/pull/191[#191]
+
+
+== 2022: April
+
+* Updated headings in the reference guide and in the templates from title case to *sentence case*.
+link:https://github.com/redhat-documentation/modular-docs/pull/189[#189]
+
+* Removed the `*[role="_abstract"]*` tag from the templates.
+link:https://github.com/redhat-documentation/modular-docs/issues/184[#184]
+
+
+== 2022: March
+
+* Added an *assembly attribute* to identify assemblies and improved the guidance for *snippets*.
+link:https://github.com/redhat-documentation/modular-docs/pull/176[#176] and link:https://github.com/redhat-documentation/modular-docs/pull/178[#178]
+
+
+== 2021: August
+
+* Changed the guidelines for *concept modules* to allow examples and simple *actions* in certain cases.
+link:https://github.com/redhat-documentation/modular-docs/pull/150[#150]
+
+
+== 2021: June
+
+* Added a guidance for *text snippets* and a convention that *modules should not contain other modules*.
+link:https://github.com/redhat-documentation/modular-docs/pull/161[#161]
+
+
+== 2021: April
+
+* Added a convention saying that the *Prerequisites* heading is always plural.
+link:https://github.com/redhat-documentation/modular-docs/pull/157[#157]
+
+* Clarified the use of cross-references (xrefs) in modules.
+link:https://github.com/redhat-documentation/modular-docs/pull/162[#162]
+
+== 2021: January
+
+* Changed *Verification steps* to *Verification* and clarified the use of numbered lists in modules.
+link:https://github.com/redhat-documentation/modular-docs/pull/148[#148]