diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index 68710a46..af70e3fb 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -1,6 +1,10 @@
 All notable changes to this project will be documented in this file. This change log follows the conventions of http://keepachangelog.com/[keepachangelog.com].
 
 == Unreleased (dev)
+// {{{
+=== Fixed
+* https://github.com/liquidz/vim-iced/issues/461[#461]: Fixed `IcedSourceShow` and `IcedSourcePopupShow` to work correctly on Neovim.
+// }}}
 
 == 3.14.3233 (2023-06-24)
 // {{{
diff --git a/autoload/iced/buffer/temporary.vim b/autoload/iced/buffer/temporary.vim
index 8dfad7bb..c038fd74 100644
--- a/autoload/iced/buffer/temporary.vim
+++ b/autoload/iced/buffer/temporary.vim
@@ -15,7 +15,12 @@ function! iced#buffer#temporary#init() abort
   return iced#buffer#init(s:bufname, funcref('s:initialize'))
 endfunction
 
-function! iced#buffer#temporary#begin() abort
+function! iced#buffer#temporary#begin(...) abort
+  let opts = get(a:, 1, {})
+  let buftype = get(opts, 'buftype', 'nofile')
+  let nr = iced#buffer#nr(s:bufname)
+  call setbufvar(nr, '&buftype', buftype)
+
   let s:current_window = winnr()
   call iced#buffer#open(s:bufname, {'opener': 'split'})
   call iced#buffer#clear(s:bufname)
diff --git a/autoload/iced/component/popup/neovim.vim b/autoload/iced/component/popup/neovim.vim
index 04176c53..690c8b6a 100644
--- a/autoload/iced/component/popup/neovim.vim
+++ b/autoload/iced/component/popup/neovim.vim
@@ -19,6 +19,7 @@ function! s:init_win(winid, opts) abort
   let context['__lnum'] = line('.')
   if has_key(a:opts, 'moved')
     let context['__moved'] = a:opts['moved']
+    let context['__reltime'] = reltime()
   endif
 
   call setwinvar(a:winid, 'iced_context', context)
@@ -185,6 +186,8 @@ function! s:popup.open(texts, ...) abort
         \ 'width': width,
         \ 'height': height,
         \ 'style': g:iced#popup#neovim#style,
+        \ 'focusable': v:false,
+        \ 'noautocmd': v:false,
         \ }
 
   if has_key(opts, 'border') && has('nvim-0.5')
@@ -263,13 +266,14 @@ function! iced#component#popup#neovim#moved() abort
   let base_line = get(context, '__lnum', 0)
   let line = line('.')
   let col = col('.')
+  let elapsed = reltimefloat(reltime(get(context, '__reltime', reltime())))
 
   " WARN: only supports 'any' and column list
   if empty(moved)
     return
-  elseif type(moved) == v:t_string && moved ==# 'any'
+  elseif type(moved) == v:t_string && moved ==# 'any' && elapsed > 0.1
     return s:popup.close(s:last_winid)
-  elseif type(moved) == v:t_list && (line != base_line || col < moved[0] || col > moved[1])
+  elseif type(moved) == v:t_list && (line != base_line || col < moved[0] || col > moved[1]) && elapsed > 0.1
     return s:popup.close(s:last_winid)
   endif
 endfunction
diff --git a/autoload/iced/nrepl/source.vim b/autoload/iced/nrepl/source.vim
index 77c87ebf..ae4ae1e8 100644
--- a/autoload/iced/nrepl/source.vim
+++ b/autoload/iced/nrepl/source.vim
@@ -12,7 +12,11 @@ function! s:__extract_source(resp) abort
   let code = ''
   let reg_save = @@
   try
-    call iced#buffer#temporary#begin()
+    if stridx(path, 'zipfile') == 0
+      call iced#buffer#temporary#begin({'buftype': 'nowrite'})
+    else
+      call iced#buffer#temporary#begin({'buftype': 'nofile'})
+    endif
     call iced#system#get('ex_cmd').silent_exe(printf(':read %s', path))
     call cursor(a:resp['line']+1, get(a:resp, 'column', 0))
     silent normal! vaby