diff --git a/dat/fu.md b/dat/fu.md
index 5ebaa86..8ce1235 100644
--- a/dat/fu.md
+++ b/dat/fu.md
@@ -44,7 +44,7 @@ information and details.
 ## Download <a href="/fu/feed.atom"><img src="/img/feed_icon.png" alt="Atom feed"></a>
 
 Latest version
-:   0.5 (2025-04-24 - [FU-0.5.tar.gz](/download/FU-0.5.tar.gz) \-
+:   1.0 (2025-05-11 - [FU-1.0.tar.gz](/download/FU-1.0.tar.gz) \-
     [CPAN mirror](https://metacpan.org/release/FU))
 
 Development version
diff --git a/dat/guestbook.md b/dat/guestbook.md
index aa4b504..ca9eef7 100644
--- a/dat/guestbook.md
+++ b/dat/guestbook.md
@@ -17,6 +17,9 @@ respective issue tracker or send a mail to
 
 # Entries
 
+`2025-05-03` - ~
+:   good work, thank you
+
 `2025-04-25` - Viacheslav
 :   Hey man, you work is cool and authentic!
 
diff --git a/dat/index.md b/dat/index.md
index 69f0930..a4ec4e8 100644
--- a/dat/index.md
+++ b/dat/index.md
@@ -10,6 +10,11 @@ crap I've written over the years. :)
 <!-- These announcements are parsed by mkfeed.pl, see that file for formatting -->
 ## Announcements <a href="/feed.atom"><img src="/img/feed_icon.png" alt="Atom feed"></a>
 
+`2025-05-11` - FU 1.0 released <!-- tags: fu, link: /fu -->
+:   First "stable" release, now that it has been used in production for a
+    while. Includes a whole bunch of debugging improvements and bug fixes.
+    [Homepage](/fu) - [Changelog](/fu/changes).
+
 `2025-05-01` - ncdu 2.8.2 released <!-- tags: ncdu, link: /ncdu -->
 :   Fixes a build error on MacOS. [Homepage](/ncdu) -
     [Changelog](/ncdu/changes2).
diff --git a/pub/download/FU-1.0.tar.gz.asc b/pub/download/FU-1.0.tar.gz.asc
new file mode 100644
index 0000000..14ffc93
--- /dev/null
+++ b/pub/download/FU-1.0.tar.gz.asc
@@ -0,0 +1,16 @@
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+=2ezX
+-----END PGP SIGNATURE-----
diff --git a/pub/download/FU-1.0.tar.gz.md5 b/pub/download/FU-1.0.tar.gz.md5
new file mode 100644
index 0000000..2f8c6b8
--- /dev/null
+++ b/pub/download/FU-1.0.tar.gz.md5
@@ -0,0 +1 @@
+c2728755d5fa167fcd53693f5577fa53  FU-1.0.tar.gz
diff --git a/pub/download/FU-1.0.tar.gz.sha1 b/pub/download/FU-1.0.tar.gz.sha1
new file mode 100644
index 0000000..46d260f
--- /dev/null
+++ b/pub/download/FU-1.0.tar.gz.sha1
@@ -0,0 +1 @@
+7d903cde7195560ff617886e6c025e7c1c3eac39  FU-1.0.tar.gz
diff --git a/pub/download/FU-1.0.tar.gz.sha256 b/pub/download/FU-1.0.tar.gz.sha256
new file mode 100644
index 0000000..82f0242
--- /dev/null
+++ b/pub/download/FU-1.0.tar.gz.sha256
@@ -0,0 +1 @@
+2276535fa42df226271609108bb20b1661397eb3c9fa41dec91cf791fd02c226  FU-1.0.tar.gz