Bump version to 2.1.0

Change-Id: If9d9de0adeeb963aae15bb8d48ac4fd5b26ca9ab
diff --git a/DESCRIPTION b/DESCRIPTION
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+++ b/DESCRIPTION
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 Package: posterdown.ids
 Title: Generate IDS CD compliant PDF Conference Posters Using R Markdown
-Version: 2.0
+Version: 2.1.0
 Authors@R: 
     c(person(given = "Marc",
              family = "Kupietz",
diff --git a/NEWS.md b/NEWS.md
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+# posterdown.ids 2.1.0 (2026-08-04)
+
+## New features
+
+* Renamed the IDS-focused package to `posterdown.ids` and made
+  `posterdown_ids()` its primary poster format.
+* Added German-language poster support through the `lang.de` YAML option.
+* Added the `second_logo` option and a configurable copyright year.
+* Added reliable HTML-to-A0-PDF conversion with automatic hyphenation.
+* Added CI artifacts for A1 and fabric-friendly posters, including a version
+  with a 1 cm mounting border.
+* Added color emoji support that also works in Chrome-generated PDFs.
+
+## Improvements and fixes
+
+* Improved table-caption sizing and allowed captions to use the full column
+  width.
+* Made line heights and multi-column layout more consistent across browsers.
+* Fixed code-block backgrounds, bottom-left logo clipping, and Leibniz logo
+  view boxes.
+* Updated the example poster and plain-Markdown documentation.