diff --git a/2.70.tar.gz b/2.70.tar.gz
deleted file mode 100644
index 152a90a..0000000
--- a/2.70.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7d706813a435c0c9d540e5521191774446fd11d1dc8cc0cd2ab03cd51cb56aab
-size 2216339
diff --git a/2.80.tar.gz b/2.80.tar.gz
new file mode 100644
index 0000000..53f54d4
--- /dev/null
+++ b/2.80.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5cf468779e05fbcf6633351fc33d847cc41e78ba2885a3978e907a8785ebed72
+size 12512510
diff --git a/asymptote.changes b/asymptote.changes
index 0b8a033..765eb0f 100644
--- a/asymptote.changes
+++ b/asymptote.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Thu Apr 21 09:55:30 UTC 2022 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 2.80
+  * Compression of empty transparent pixel counts and other
+    optimizations were implemented in the transparency shader. A
+    weighted least-squares fit was added.
+  * LSP: Add basic Language Server Protocol. server code to
+    Asymptote.
+  * Add preliminary v3d standard.
+
 -------------------------------------------------------------------
 Fri May  7 13:24:15 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/asymptote.spec b/asymptote.spec
index 5146908..3aca241 100644
--- a/asymptote.spec
+++ b/asymptote.spec
@@ -16,13 +16,14 @@
 #
 
 
+%bcond_with lsp
 Name:           asymptote
-Version:        2.70
+Version:        2.80
 Release:        0
 Summary:        2D & 3D TeX-Aware vector graphics language
 License:        LGPL-3.0-or-later
 Group:          Productivity/Scientific/Math
-URL:            https://asymptote.sf.net/
+URL:            https://asymptote.sourceforge.io/
 
 #Git-Clone:     https://github.com/vectorgraphics/asymptote
 Source:         https://github.com/vectorgraphics/asymptote/archive/refs/tags/%version.tar.gz
@@ -30,6 +31,14 @@ BuildRequires:  automake
 BuildRequires:  bison
 BuildRequires:  flex
 BuildRequires:  gcc-c++
+%if %{with lsp}
+BuildRequires:  libboost_chrono-devel
+BuildRequires:  libboost_date_time-devel
+BuildRequires:  libboost_filesystem-devel
+BuildRequires:  libboost_program_options-devel
+BuildRequires:  libboost_system-devel
+BuildRequires:  libboost_thread-devel
+%endif
 BuildRequires:  makeinfo
 BuildRequires:  ncurses-devel
 BuildRequires:  readline-devel
@@ -48,6 +57,7 @@ BuildRequires:  pkgconfig(libglvnd)
 BuildRequires:  pkgconfig(libtirpc)
 BuildRequires:  pkgconfig(x11)
 BuildRequires:  pkgconfig(zlib)
+BuildRequires:  tex(media9.sty)
 BuildRequires:  tex(parskip.sty)
 Conflicts:      texlive-asymptote
 Conflicts:      texlive-asymptote-bin
@@ -60,7 +70,7 @@ provides for figures the same quality of typesetting that LaTeX does
 for scientific text.
 
 %prep
-%autosetup -p1
+%autosetup
 rm -fv libatomic_ops-*.tar.gz gc-*.tar.gz
 
 %build
@@ -71,6 +81,9 @@ if [ ! -e configure ]; then autoreconf -fiv; fi
 %install
 %make_install
 mv "%buildroot/usr/local/share"/* "%buildroot/%_datadir/"
+chmod a-x "%buildroot/%_datadir/asymptote/shaders"/*.glsl
+find "%buildroot/%_datadir/asymptote/GUI" -type f -name "*.py" \
+	-exec perl -i -lpe 's{^#!/usr/bin/env }{#!/usr/bin/}g' {} +
 
 %files
 %_bindir/asy
@@ -82,4 +95,5 @@ mv "%buildroot/usr/local/share"/* "%buildroot/%_datadir/"
 %_mandir/*/*asy.1*
 %license LICENSE*
 
+# curated changelog: see https://downloads.sf.net/asymptote/2.80/README
 %changelog