diff --git a/browser/config/whats_new_page.yml b/browser/config/whats_new_page.yml
index b54ffe381b9a..f5f280a6c30a 100644
--- a/browser/config/whats_new_page.yml
+++ b/browser/config/whats_new_page.yml
@@ -18,40 +18,102 @@
       # This is done by taskgraph.
       versions: ["<{version.major_number}.0"]
       locales:
+          - ach
+          - af
+          - an
+          - ar
+          - as
+          - ast
           - az
           - be
+          - bg
+          - bn-BD
+          - bn-IN
+          - br
+          - bs
+          - ca
           - cak
+          - cs
           - cy
           - da
           - de
           - dsb
+          - el
           - en-CA
           - en-GB
           - en-US
+          - en-ZA
+          - eo
           - es-AR
+          - es-CL
+          - es-ES
+          - es-MX
           - et
+          - eu
+          - fa
+          - ff
+          - fi
           - fr
+          - fy-NL
+          - ga-IE
+          - gd
+          - gl
+          - gn
+          - gu-IN
+          - he
           - hi-IN
+          - hr
           - hsb
           - hu
+          - hy-AM
           - ia
           - id
+          - is
           - it
+          - ja
           - ka
+          - kab
+          - kk
+          - km
+          - kn
+          - ko
           - lij
           - lt
+          - lv
+          - mai
+          - mk
+          - ml
+          - mr
           - ms
+          - my
           - nb-NO
+          - ne-NP
           - nl
+          - nn-NO
+          - oc
+          - or
+          - pa-IN
           - pl
+          - pt-BR
           - pt-PT
+          - rm
           - ro
           - ru
+          - si
           - sk
           - sl
+          - son
           - sq
+          - sr
           - sv-SE
+          - ta
+          - te
           - th
           - tr
+          - uk
+          - ur
+          - uz
+          - vi
+          - xh
           - zh-CN
           - zh-TW