diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1a401d27e..dc857cd33 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,6 +29,7 @@ jobs:
       matrix:
         version:
           - '1.6' # LTS (minimal declared julia compat in `Project.toml`)
+          - 'lts'
           - '1' # latest stable
         experimental:
           - false
diff --git a/src/animation.jl b/src/animation.jl
index 2b0847963..574c3cdcf 100644
--- a/src/animation.jl
+++ b/src/animation.jl
@@ -165,7 +165,7 @@ function Base.show(io::IO, ::MIME"text/html", agif::AnimatedGif)
         "<img src=\"data:image/png;base64,$(base64encode(read(agif.filename)))\" />"
     elseif ext in ("mov", "mp4", "webm")
         mimetype = ext == "mov" ? "video/quicktime" : "video/$ext"
-        "<video controls><source src=\"data:$mimetype;base64,$(base64encode(read(agif.filename)))\" type = \"$mimetype\"></video>"
+        "<video autoplay controls><source src=\"data:$mimetype;base64,$(base64encode(read(agif.filename)))\" type = \"$mimetype\"></video>"
     else
         error("Cannot show animation with extension $ext: $agif")
     end
diff --git a/src/init.jl b/src/init.jl
index a3f955be5..ef314c977 100644
--- a/src/init.jl
+++ b/src/init.jl
@@ -125,7 +125,7 @@ include(_path(backend_name()))
                 $func() = begin  # evaluate each example in a local scope
                     $(_examples[i].exprs)
                     $i == 1 || return  # only for one example
-                    fn = joinpath(scratch_dir, tempname())
+                    fn = tempname(scratch_dir)
                     pl = current()
                     show(devnull, pl)
                     showable(MIME"image/png"(), pl) && savefig(pl, "$fn.png")