diff --git a/configuration b/configuration
index 7cf1b64e29c..7ca25377400 100644
--- a/configuration
+++ b/configuration
@@ -13,7 +13,7 @@
 export DENO=v2.7.14
 # TODO figure out where 0.1.41 apple silicon libs are available
 export DENO_DOM=v0.1.41-alpha-artifacts
-export PANDOC=3.10
+export PANDOC=3.10.1
 export DARTSASS=1.101.0
 export ESBUILD=0.28.1
 export TYPST=0.15.1
diff --git a/news/changelog-1.11.md b/news/changelog-1.11.md
index e1b823c6e9e..ea6567991a0 100644
--- a/news/changelog-1.11.md
+++ b/news/changelog-1.11.md
@@ -12,6 +12,8 @@ All changes included in 1.11:
 
 ## Dependencies
 
+- Update Pandoc to 3.10.1.
+
 - ([#15043](https://github.com/quarto-dev/quarto-cli/issues/15043)): Update the OJS runtime to acorn 8.17, Observable Inspector 5.0.1, and Observable Inputs 0.10.6. `FileAttachment(...).mimeType` now reports `text/javascript` instead of `application/javascript` for `.js` and `.mjs` files.
 
 ## Accessibility
@@ -79,6 +81,8 @@ All changes included in 1.11:
 
 ### `pdf`
 
+- ([#14846](https://github.com/quarto-dev/quarto-cli/issues/14846)): Use Pandoc's floating tables for ordinary Markdown tables in documents with `classoption: twocolumn`, including tables with cross-references. Single-column documents retain `longtable` by default and can opt into floating tables with `.float`. Respect `tbl-pos` unless `latex-placement` is explicitly set. Render full-width, margin, bottom-captioned, and panel tables without `longtable`, retaining Pandoc's widths, spans, citations, and footnotes. Preserve native double-column `table*` and `figure*` environments when loading `sidenotes`, including documents that switch columns in the body.
+
 - ([#14982](https://github.com/quarto-dev/quarto-cli/issues/14982)): Fix a footnote in document metadata, such as `title` or `author`, making PDF and Typst output shift heading levels, which turned the first level-1 heading into the document title.
 - ([#15027](https://github.com/quarto-dev/quarto-cli/issues/15027)): Fix PDF rendering with regional German variants such as `lang: de-CH` failing when German hyphenation patterns are not installed, instead of installing them automatically.
 - ([#15035](https://github.com/quarto-dev/quarto-cli/issues/15035)): Fix automatic installation of missing hyphenation patterns for the pinned German patterns (`ngerman-x-latest`), for several languages at once, and for languages loaded with `polyglossia`.
diff --git a/src/command/check/check.ts b/src/command/check/check.ts
index b66ab7e5f06..19cb92f7f14 100644
--- a/src/command/check/check.ts
+++ b/src/command/check/check.ts
@@ -300,7 +300,7 @@ async function checkVersions(conf: CheckConfiguration) {
   // file is in an awkward format and it is not packaged
   // with our installers
   const versionConstraints: [string | undefined, string, string][] = [
-    [pandocVersion, "3.10.0", "Pandoc"],
+    [pandocVersion, "3.10.1", "Pandoc"],
     [sassVersion, "1.101.0", "Dart Sass"],
     [denoVersion, "2.7.14", "Deno"],
     [typstVersion, "0.15.1", "Typst"],
diff --git a/src/resources/filters/customnodes/floatreftarget.lua b/src/resources/filters/customnodes/floatreftarget.lua
index eaa0494e66f..eda7e88bc8b 100644
--- a/src/resources/filters/customnodes/floatreftarget.lua
+++ b/src/resources/filters/customnodes/floatreftarget.lua
@@ -326,7 +326,8 @@ end, function(float)
       return {}
     end
     caption_cmd_name = "subcaption"
-  elseif float.content.t == "Table" and float_type == "tbl" then -- float.parent_id is nil here
+  elseif float.content.t == "Table" and float_type == "tbl" and
+      figEnv == "table" and capLoc == "top" then -- float.parent_id is nil here
     -- special-case the situation where the figure is Table and the content is Table
     --
     -- just return the table itself with the caption inside the table
@@ -336,9 +337,24 @@ end, function(float)
     caption_cmd_name = "caption"
     float.content.caption.long = float.caption_long
     float.content.attr = pandoc.Attr(float.identifier, float.classes or {}, float.attributes or {})
+    if float.content.classes:includes("float") and figPos and
+        float.content.attributes["latex-placement"] == nil then
+      float.content.attributes["latex-placement"] = figPos
+    end
     return float.content
   end
 
+  -- Only floating tables need Quarto's environment and bottom caption here.
+  -- Ordinary single-column tables must retain longtable and its caption foot.
+  if not float.parent_id and float.content.t == "Table" and float_type == "tbl" and
+      (figEnv ~= "table" or float.classes:includes("float")) then
+    figPos = float.attributes["latex-placement"] or figPos
+    if figEnv == "marginfigure" then
+      figEnv = "margintable"
+    end
+    float.content = latexTabular(float.content)
+  end
+
   local fig_scap = attribute(float, kFigScap, nil)
   if fig_scap then
     fig_scap = pandoc.Span(markdownToInlines(fig_scap))
@@ -400,6 +416,9 @@ end, function(float)
       end
     end,
     Table = function(tbl)
+      if tbl.classes:includes("float") then
+        return latexTabular(tbl)
+      end
       local cites = pandoc.List({})
       local guid_id = global_table_guid_id
       local uuid = "85b77c8a-261c-4f58-9b04-f21c67e0a758"
@@ -646,13 +665,13 @@ end, function(float)
     -- the panel layout code
     return figure_content
   else
-    return quarto.LatexEnvironment({
+    return latexTableNoteEnvironment(quarto.LatexEnvironment({
       name = figEnv,
       pos = figPos,
       content = _quarto.ast.walk(figure_content, {
         Image = drop_class("column-margin")
       })
-    })
+    }))
   end
 end)
 
diff --git a/src/resources/filters/layout/latex.lua b/src/resources/filters/layout/latex.lua
index 58e4dd9165e..671acc2a68d 100644
--- a/src/resources/filters/layout/latex.lua
+++ b/src/resources/filters/layout/latex.lua
@@ -8,14 +8,14 @@ end, function (layout)
   local rendered_panel = latexPanel(layout)
   local preamble = layout.preamble
   if preamble == nil then
-    return rendered_panel
+    return latexTableNoteEnvironment(rendered_panel)
   end
   
   local result = pandoc.Blocks({})
   panel_insert_preamble(result, preamble)
   result:insert(rendered_panel)
 
-  return result
+  return latexTableNoteEnvironment(pandoc.Div(result))
 end)
 
 _quarto.ast.add_renderer("PanelLayout", function(_)
@@ -365,6 +365,16 @@ function latexCell(cell, vAlign, endOfRow, endOfTable)
   end
 
   
+  -- Unlabelled tables in panels also need a non-floating tabular. Otherwise
+  -- Pandoc emits longtable inside the minipage, which still fails in twocolumn.
+  if not isSubRef and tbl then
+    cell.content = _quarto.ast.walk(cell.content, {
+      Table = function(table)
+        return latexTabular(table, vAlign)
+      end
+    })
+  end
+
   -- convert to latex percent as necessary
   width = asLatexSize(width)
 
@@ -444,47 +454,87 @@ function latexCell(cell, vAlign, endOfRow, endOfTable)
 end
 
 function latexTabular(tbl, vAlign)
-  
-  -- convert to simple table
-  tbl = pandoc.utils.to_simple_table(tbl)
-  
-  -- list of inlines
-  local tabular = pandoc.List()
-  
-  -- vertically align the minipage
-  local tabularVAlign = latexMinipageValign(vAlign)
- 
-  -- caption
-  if #tbl.caption > 0 then
-    latexAppend(tabular, "\\caption{")
-    tappend(tabular, tbl.caption)
-    latexAppend(tabular, "}\n")
+  -- Let Pandoc serialize the full Table, including widths, spans, and blocks.
+  -- Only remove its outer float: Quarto's layout owns the enclosing environment.
+  tbl = tbl:clone()
+  local has_notes = false
+  _quarto.ast.walk(tbl, {Note = function() has_notes = true end})
+  local caption = quarto.utils.as_inlines(tbl.caption.long)
+  tbl.caption = pandoc.Caption()
+  tbl.identifier = ""
+  if not tbl.classes:includes("float") then
+    tbl.classes:insert("float")
+  end
+  quarto.doc.use_latex_package("multirow")
+  local content = latexWriteTable(tbl, function(text)
+    local opens, closes
+    text, opens = text:gsub("\\begin{table}%b[]%s*\\centering%s*", "", 1)
+    text, closes = text:gsub("\\end{tabular}%s*\\end{table}", "\\end{tabular}", 1)
+    assert(opens == 1 and closes == 1, "Could not unwrap Pandoc's floating table")
+    text = text:gsub("\\begin{tabular}", "\\begin{tabular}" .. latexMinipageValign(vAlign), 1)
+    return text
+  end)
+  if has_notes then
+    quarto.doc.use_latex_package("footnotehyper")
+    content = pandoc.Div({content}, pandoc.Attr("", {"quarto-table-notes"}))
+  end
+  if caption and #caption > 0 then
+    return pandoc.Div({
+      quarto.LatexInlineCommand({name = "caption", arg = pandoc.Span(caption)}),
+      content
+    })
   end
-  
-  -- header
-  local aligns = table.concat(tbl.aligns:map(latexTabularAlign), "")
-  latexAppend(tabular, "\\begin{tabular}" .. tabularVAlign .. "{" .. aligns .. "}\n")
-  latexAppend(tabular, "\\toprule\n")
-  
-  -- headers (optional)
-  local headers = latexTabularRow(tbl.headers)
-  if latexTabularRowHasContent(headers) then
-    latexTabularRowAppend(tabular, headers)
-    latexAppend(tabular, "\\midrule\n")
+  return content
+end
+
+-- Footnote text emitted while constructing a float would otherwise be lost.
+-- Collect it around the outermost float/panel and release it afterwards.
+function latexTableNoteEnvironment(content)
+  local has_notes = false
+  _quarto.ast.walk(content, {
+    Div = function(div)
+      if div.classes:includes("quarto-table-notes") then
+        has_notes = true
+      end
+    end
+  })
+  if has_notes then
+    return quarto.LatexEnvironment({name = "savenotes", content = content})
+  end
+  return content
+end
+
+-- Keep citations in the AST for citeproc/natbib processing even when a table
+-- must be serialized before the document's writer runs.
+function latexWriteTable(tbl, transform)
+  local cites = pandoc.List({})
+  local uuid = "85b77c8a-261c-4f58-9b04-f21c67e0a758"
+  local first_id = global_table_guid_id
+  tbl = _quarto.ast.walk(tbl, {
+    Cite = function(cite)
+      cites:insert(cite)
+      return pandoc.Str(uuid .. "-" .. (first_id + #cites) .. "-" .. uuid)
+    end
+  })
+  local text = pandoc.write(pandoc.Pandoc({tbl}), "latex")
+  if transform then
+    text = transform(text)
   end
-  
-  -- rows
-  for _,row in ipairs(tbl.rows) do
-    latexTabularRowAppend(tabular, latexTabularRow(row))
+  local raw = pandoc.RawBlock("latex", text)
+  if #cites == 0 then
+    return raw
   end
-  
-  -- footer
-  latexAppend(tabular, "\\bottomrule\n")
-  latexAppend(tabular, "\\end{tabular}")
-  
-  -- return tabular
-  return pandoc.Para(tabular)
-  
+  global_table_guid_id = first_id + #cites
+  local result = pandoc.Blocks({})
+  for i, cite in ipairs(cites) do
+    result:insert(_quarto.ast.make_scaffold(pandoc.Span, pandoc.Inlines({
+      pandoc.RawInline("latex", "%quarto-define-uuid: " .. uuid .. "-" .. (first_id + i) .. "-" .. uuid .. "\n"),
+      cite,
+      pandoc.RawInline("latex", "\n%quarto-end-define-uuid\n")
+    })))
+  end
+  result:insert(raw)
+  return pandoc.Div(result)
 end
 
 function latexTabularRow(row)
diff --git a/src/resources/filters/layout/meta.lua b/src/resources/filters/layout/meta.lua
index 9c68c296a7d..3eb1d1b6146 100644
--- a/src/resources/filters/layout/meta.lua
+++ b/src/resources/filters/layout/meta.lua
@@ -106,9 +106,44 @@ function layout_meta_inject_latex_packages()
       if (layoutState.hasColumns or marginReferences() or marginCitations()) and _quarto.format.isLatexOutput() then
         -- inject sidenotes package
         metaInjectLatex(meta, function(inject)
-          inject(
-            usePackage("sidenotes")
-          )
+          -- sidenotes redefines table*/figure* as single-column floats widened
+          -- into the margin. In twocolumn documents these must remain native
+          -- double-column floats. Choose at use time, since journal styles may
+          -- switch columns in the document rather than via classoption.
+          inject([[
+% Install the dispatchers only when Quarto loads sidenotes itself. If the
+% document already loaded it, leave that existing package setup untouched.
+\@ifpackageloaded{sidenotes}{}{%
+  % Save the document class's native double-column float environments before
+  % sidenotes replaces them. Save both the opening and closing commands.
+  % csname addresses environment commands whose names contain a literal '*';
+  % expandafter lets \let copy the resulting command's current definition.
+  \expandafter\let\expandafter\quarto@native@table\csname table*\endcsname
+  \expandafter\let\expandafter\quarto@native@endtable\csname endtable*\endcsname
+  \expandafter\let\expandafter\quarto@native@figure\csname figure*\endcsname
+  \expandafter\let\expandafter\quarto@native@endfigure\csname endfigure*\endcsname
+  \usepackage{sidenotes}
+  % Keep sidenotes' versions too: in single-column documents they extend a
+  % regular float into the margin, which is the intended column-page layout.
+  \expandafter\let\expandafter\quarto@margin@table\csname table*\endcsname
+  \expandafter\let\expandafter\quarto@margin@endtable\csname endtable*\endcsname
+  \expandafter\let\expandafter\quarto@margin@figure\csname figure*\endcsname
+  \expandafter\let\expandafter\quarto@margin@endfigure\csname endfigure*\endcsname
+  % Select the implementation when each environment is used, not when the
+  % preamble is read. A journal style or the document body may call
+  % \twocolumn or \onecolumn after sidenotes has already been loaded.
+  % Expand past \else or \fi before calling an opening command so its
+  % optional placement argument (such as [t]) is still the next input token.
+  \expandafter\def\csname table*\endcsname{%
+    \if@twocolumn\expandafter\quarto@native@table\else\expandafter\quarto@margin@table\fi}
+  \expandafter\def\csname endtable*\endcsname{%
+    \if@twocolumn\quarto@native@endtable\else\quarto@margin@endtable\fi}
+  \expandafter\def\csname figure*\endcsname{%
+    \if@twocolumn\expandafter\quarto@native@figure\else\expandafter\quarto@margin@figure\fi}
+  \expandafter\def\csname endfigure*\endcsname{%
+    \if@twocolumn\quarto@native@endfigure\else\quarto@margin@endfigure\fi}
+}
+]])
           inject(
             usePackage("marginnote")
           )
diff --git a/src/resources/filters/main.lua b/src/resources/filters/main.lua
index 3d4603344de..0bbad8f431f 100644
--- a/src/resources/filters/main.lua
+++ b/src/resources/filters/main.lua
@@ -567,6 +567,10 @@ local quarto_post_filters = {
     filter = render_typst_brand_yaml(),
     traverser = 'jog',
   },
+  { name = "post-render-markdown-code-languages",
+    filter = preserve_markdown_code_languages(),
+    traverser = 'jog',
+  },
   { name = "post-render-gfm-fixups",
     filter = render_gfm_fixups(),
     traverser = 'jog',
@@ -638,6 +642,7 @@ local quarto_finalize_filters = {
 }
 
 local quarto_layout_filters = {
+  { name = "layout-latex-table-floats", filter = latex_table_floats() },
   { name = "manuscript filtering",
     filter = manuscript(),
     traverser = 'jog',
diff --git a/src/resources/filters/quarto-post/code.lua b/src/resources/filters/quarto-post/code.lua
index 7d9df6ccc4e..38c2d97b033 100644
--- a/src/resources/filters/quarto-post/code.lua
+++ b/src/resources/filters/quarto-post/code.lua
@@ -35,4 +35,33 @@ function removeCodeOptions()
       end
     end
   }
-end
\ No newline at end of file
+end
+
+function preserve_markdown_code_languages()
+  return {
+    CodeBlock = function(code)
+      if not _quarto.format.isMarkdownOutput() or
+          tcontains(PANDOC_WRITER_OPTIONS.extensions, "fenced_code_attributes") then
+        return nil
+      end
+      -- Since Pandoc 3.10.1, bare classes are only treated as languages if
+      -- Skylighting knows them. Explicit language-* classes still preserve
+      -- arbitrary names, including those interpreted by downstream renderers.
+      -- Match the previous writer's first non-sourceCode class convention,
+      -- while respecting an already-explicit language anywhere in the list.
+      local language
+      for _, class in ipairs(code.classes) do
+        if class:match("^language%-") then
+          return nil
+        end
+        if language == nil and class ~= "sourceCode" then
+          language = class
+        end
+      end
+      if language then
+        code.classes:insert("language-" .. language)
+        return code
+      end
+    end
+  }
+end
diff --git a/src/resources/filters/quarto-post/latex.lua b/src/resources/filters/quarto-post/latex.lua
index 3febbfc6a7d..a89263afeb0 100644
--- a/src/resources/filters/quarto-post/latex.lua
+++ b/src/resources/filters/quarto-post/latex.lua
@@ -192,17 +192,20 @@ function render_latex()
   end
   
   function handle_table_columns(table)
-    local useMargin = table.classes:find_if(isStarEnv)
-    if useMargin then
-      return {
-        beginColumnComment(),
-        table,
-      endColumnComment()
-      }
-    end
+    -- Code-cell layout may already have supplied the enclosing environment.
     if table.classes:includes("render-as-tabular") then
       return latexTabular(table)
     end
+    local full_width = table.classes:find_if(isStarEnv)
+    local in_margin = table.classes:find_if(isMarginEnv)
+    if full_width or in_margin then
+      noteHasColumns()
+      return latexTableNoteEnvironment(quarto.LatexEnvironment({
+        name = in_margin and "margintable" or "table*",
+        pos = table.attributes["latex-placement"] or table.attributes["tbl-pos"],
+        content = latexTabular(table)
+      }))
+    end
   end
   
 
@@ -239,6 +242,7 @@ function render_latex()
         Block = found_something_else,
         Inline = found_something_else,
         Table = function(t)
+          t.classes:insert("column-margin")
           local result = handle_table_columns(t)
           found_table = true
           return result,false
@@ -260,6 +264,9 @@ function render_latex()
       if f ~= nil then
         noteHasColumns()
         el.content = strip(el.content, f)
+        el.content = _quarto.ast.walk(el.content, {
+          Table = function(tbl) return latexTabular(tbl) end
+        })
         tprepend(el.content, {pandoc.RawBlock("latex", "\\begin{figure*}[H]")})
         tappend(el.content, {pandoc.RawBlock("latex", "\\end{figure*}")})
         return el, false
diff --git a/src/resources/filters/quarto-pre/table-classes.lua b/src/resources/filters/quarto-pre/table-classes.lua
index 9e9067420a1..4da75780337 100644
--- a/src/resources/filters/quarto-pre/table-classes.lua
+++ b/src/resources/filters/quarto-pre/table-classes.lua
@@ -99,3 +99,62 @@ function table_classes()
   }
 
 end
+
+-- Use Pandoc's floating tables for ordinary tables in a two-column document.
+-- Panels, subtables, and margin/full-width tables have their own renderers.
+function latex_table_floats()
+  if not _quarto.format.isLatexOutput() then
+    return {}
+  end
+  return {
+    Pandoc = function(doc)
+      local twocolumn = false
+      local options = doc.meta.classoption or {}
+      if pandoc.utils.type(options) == "Inlines" or type(options) == "string" then
+        options = { options }
+      end
+      for _, value in ipairs(options) do
+        for option in pandoc.utils.stringify(value):gmatch("[^,%s]+") do
+          if option == "twocolumn" then
+            twocolumn = true
+          elseif option == "onecolumn" then
+            twocolumn = false
+          end
+        end
+      end
+      if not twocolumn then
+        return nil
+      end
+
+      local function add_float(el)
+        if el.classes:find_if(isStarEnv) or el.classes:find_if(isMarginEnv) then
+          return nil
+        end
+        if not el.classes:includes("float") then
+          el.classes:insert("float")
+        end
+        return el
+      end
+      return _quarto.ast.walk(doc, {
+        traverse = "topdown",
+        Div = function(div)
+          if attr_requires_panel_layout(div.attr) or
+              div.classes:find_if(isStarEnv) or div.classes:find_if(isMarginEnv) then
+            return nil, false
+          end
+        end,
+        FloatRefTarget = function(float)
+          if not float.parent_id and ref_type_from_float(float) == "tbl" and
+              float.content and float.content.t == "Table" then
+            add_float(float)
+          end
+          -- Other floats (including panels) must not acquire nested floats.
+          return float, false
+        end,
+        Table = function(tbl)
+          return add_float(tbl), false
+        end
+      })
+    end
+  }
+end
diff --git a/tests/docs/crossrefs/tables-float-layouts.qmd b/tests/docs/crossrefs/tables-float-layouts.qmd
new file mode 100644
index 00000000000..9cd6df537c6
--- /dev/null
+++ b/tests/docs/crossrefs/tables-float-layouts.qmd
@@ -0,0 +1,61 @@
+---
+documentclass: article
+classoption: twocolumn
+references:
+  - id: doe2020
+    type: article-journal
+    title: Example study
+    author:
+      - family: Doe
+        given: Jane
+    issued:
+      date-parts: [[2020]]
+---
+
+See @tbl-wide, @tbl-bottom, and @tbl-after.
+
++----------------------+----------------------+
+| Category             | Value                |
++======================+======================+
+| Spanning both columns                       |
++----------------------+----------------------+
+| Row span             | First [@doe2020]     |
++                      +----------------------+
+|                      | Second               |
++----------------------+----------------------+
+
+: Wide caption {#tbl-wide .column-page tbl-pos="t" tbl-cap-location="bottom" fig-scap="Short wide caption"}
+
+| Name | Value |
+|------|------:|
+| Bottom^[Table note text.] | 2 |
+
+: Bottom caption {#tbl-bottom .float tbl-cap-location="bottom" tbl-colwidths="[30,70]"}
+
+::: {layout-ncol=2}
+
+| Name | Value |
+|------|------:|
+| Left | 3 |
+
+| Name | Value |
+|------|------:|
+| Right | 4 |
+
+:::
+
+| Name | Value |
+|------|------:|
+| After | 5 |
+
+: After caption {#tbl-after}
+
+```{=latex}
+\begin{table*}[t]
+\ifdim\linewidth<\textwidth
+  \errmessage{Double-column table lost its full text width}
+\fi
+\centering
+Native double-column table.
+\end{table*}
+```
diff --git a/tests/docs/crossrefs/tables-float-margin.qmd b/tests/docs/crossrefs/tables-float-margin.qmd
new file mode 100644
index 00000000000..e0f88ffa69f
--- /dev/null
+++ b/tests/docs/crossrefs/tables-float-margin.qmd
@@ -0,0 +1,35 @@
+---
+documentclass: article
+---
+
+See @tbl-margin and @tbl-wide-onecolumn.
+
+| Name | Value |
+|------|------:|
+| Margin | 1 |
+
+: Margin caption {#tbl-margin .column-margin tbl-cap-location="bottom"}
+
+| Name | Value |
+|------|------:|
+| Wide | 2 |
+
+: Wide one-column caption {#tbl-wide-onecolumn .column-page}
+
+::: {.column-margin}
+
+| Name | Value |
+|------|------:|
+| Bare margin | 3 |
+
+:::
+
+::: {.cell .column-margin}
+::: {.cell-output-display}
+
+| Name | Value |
+|------|------:|
+| Cell margin | 4 |
+
+:::
+:::
diff --git a/tests/docs/crossrefs/tables-float-switch.qmd b/tests/docs/crossrefs/tables-float-switch.qmd
new file mode 100644
index 00000000000..0dbf64997bd
--- /dev/null
+++ b/tests/docs/crossrefs/tables-float-switch.qmd
@@ -0,0 +1,32 @@
+---
+documentclass: article
+---
+
+```{=latex}
+\twocolumn
+\begin{figure*}[t]
+\ifdim\linewidth<\textwidth
+  \errmessage{Double-column figure lost its full text width}
+\fi
+\centering
+Double-column figure.
+\end{figure*}
+```
+
+See @tbl-switched.
+
+| Name | Value |
+|------|------:|
+| Switched | 1 |
+
+: Switched caption {#tbl-switched .column-page tbl-cap-location="bottom"}
+
+```{=latex}
+\onecolumn
+```
+
+| Name | Value |
+|------|------:|
+| Restored | 2 |
+
+: Restored caption {#tbl-restored .column-page}
diff --git a/tests/docs/crossrefs/tables-float.qmd b/tests/docs/crossrefs/tables-float.qmd
new file mode 100644
index 00000000000..52deb214819
--- /dev/null
+++ b/tests/docs/crossrefs/tables-float.qmd
@@ -0,0 +1,17 @@
+---
+documentclass: article
+---
+
+See @tbl-long and @tbl-float.
+
+| Name | Value |
+|------|------:|
+| Long | 1 |
+
+: Default caption {#tbl-long}
+
+| Name | Value |
+|------|------:|
+| Float | 2 |
+
+: Floating caption {#tbl-float .float tbl-pos="t"}
diff --git a/tests/docs/crossrefs/tables-twocolumn-list.qmd b/tests/docs/crossrefs/tables-twocolumn-list.qmd
new file mode 100644
index 00000000000..919bf61f106
--- /dev/null
+++ b/tests/docs/crossrefs/tables-twocolumn-list.qmd
@@ -0,0 +1,22 @@
+---
+documentclass: article
+classoption: [a4paper, twocolumn]
+---
+
+| Name | Value |
+|------|------:|
+| List option | 1 |
+
+: List caption {#tbl-list}
+
+::: {layout-ncol=2}
+
+| Name | Value |
+|------|------:|
+| Left | 2 |
+
+| Name | Value |
+|------|------:|
+| Right | 3 |
+
+:::
diff --git a/tests/docs/crossrefs/tables-twocolumn.qmd b/tests/docs/crossrefs/tables-twocolumn.qmd
new file mode 100644
index 00000000000..76c15dd172a
--- /dev/null
+++ b/tests/docs/crossrefs/tables-twocolumn.qmd
@@ -0,0 +1,39 @@
+---
+documentclass: article
+classoption: twocolumn
+---
+
+See @tbl-first, @tbl-second, and @tbl-panel (especially @tbl-child).
+
+| Name | Value |
+|------|------:|
+| Plain | 0 |
+
+| Name | Value |
+|------|------:|
+| First | 1 |
+
+: First caption {#tbl-first tbl-pos="t"}
+
+| Name | Value |
+|------|------:|
+| Second | 2 |
+
+: Second caption {#tbl-second .float latex-placement="b" tbl-pos="t"}
+
+::: {#tbl-panel layout-ncol=2}
+
+| Name | Value |
+|------|------:|
+| Child | 3 |
+
+: Child caption {#tbl-child .float}
+
+| Name | Value |
+|------|------:|
+| Other | 4 |
+
+: Other caption {#tbl-other}
+
+Panel caption
+:::
diff --git a/tests/docs/smoke-all/2026/10/26/code-language-markers.qmd b/tests/docs/smoke-all/2026/10/26/code-language-markers.qmd
new file mode 100644
index 00000000000..b27415d7d30
--- /dev/null
+++ b/tests/docs/smoke-all/2026/10/26/code-language-markers.qmd
@@ -0,0 +1,74 @@
+---
+format:
+  gfm: default
+  md: default
+  markdown: default
+_quarto:
+  tests:
+    gfm:
+      ensureFileRegexMatches:
+        - ['``` mermaid', '``` geojson', '``` topojson', '``` stl', '``` plantuml', '``` math', '``` quarto-test-language', '``` text', '``` python', '``` explicit-language']
+        - ['language-language-']
+    md:
+      ensureFileRegexMatches:
+        - ['``` mermaid', '``` geojson', '``` topojson', '``` stl', '``` plantuml', '``` math', '``` quarto-test-language', '``` text', '``` python', '``` explicit-language']
+        - ['language-language-']
+    markdown:
+      ensureFileRegexMatches:
+        - ['\.quarto-test-language', '\.extra-class']
+        - ['language-quarto-test-language']
+---
+
+```mermaid
+graph LR
+  A --> B
+```
+
+```geojson
+{"type":"Point","coordinates":[0,0]}
+```
+
+```topojson
+{"type":"Topology","objects":{}}
+```
+
+```stl
+solid example
+endsolid example
+```
+
+```plantuml
+Alice -> Bob: hello
+```
+
+```math
+x^2
+```
+
+```{.quarto-test-language .extra-class}
+arbitrary language
+```
+
+```text
+plain output
+```
+
+```python
+print("hello")
+```
+
+```{.sourceCode .language-explicit-language}
+explicit language
+```
+
+> ```quarto-test-language
+> quoted code
+> ```
+
+- Nested code:
+
+  ````quarto-test-language
+  ```
+  nested fence
+  ```
+  ````
diff --git a/tests/docs/smoke-all/markdown/definition-list/definition-list-div.qmd b/tests/docs/smoke-all/markdown/definition-list/definition-list-div.qmd
index a750a0a6c89..1b86d562ff2 100644
--- a/tests/docs/smoke-all/markdown/definition-list/definition-list-div.qmd
+++ b/tests/docs/smoke-all/markdown/definition-list/definition-list-div.qmd
@@ -29,7 +29,8 @@ _quarto:
     typst:
       ensureTypstFileRegexMatches:
         - - '/ Loose term: #block\['
-          - '/ Inner term: #block\['
+          # Pandoc 3.10.1 emits tight plain definitions without a block wrapper.
+          - '/ Inner term:\s*(?:#block\[\s*)?Inner definition\.'
           - '/ Table term: #block\[\s*#table\('
         - []
 ---
diff --git a/tests/smoke/crossref/tables-float.test.ts b/tests/smoke/crossref/tables-float.test.ts
new file mode 100644
index 00000000000..f2d634690fe
--- /dev/null
+++ b/tests/smoke/crossref/tables-float.test.ts
@@ -0,0 +1,86 @@
+/*
+ * tables-float.test.ts
+ *
+ * Copyright (C) 2026 Posit Software, PBC
+ */
+import { docs } from "../../utils.ts";
+import { ensurePdfRegexMatches } from "../../verify.ts";
+import { renderVerifyLatexOutput, testRender } from "../render/render.ts";
+
+renderVerifyLatexOutput(docs("crossrefs/tables-twocolumn.qmd"), [
+  /\\begin\{table\}\[t\][^]*?\\caption\{First caption\}\\label\{tbl-first\}/,
+  /\\begin\{table\}\[b\][^]*?\\caption\{Second caption\}\\label\{tbl-second\}/,
+  /Table~\\ref\{tbl-first\}/,
+  /Table~\\ref\{tbl-second\}/,
+  /\\subcaption\{\\label\{tbl-child\}Child caption\}/,
+], [
+  /\\begin\{longtable\}/,
+  /\\begin\{table\}(?:(?!\\end\{table\})[^])*\\begin\{table\}/,
+]);
+
+renderVerifyLatexOutput(docs("crossrefs/tables-float.qmd"), [
+  /\\begin\{longtable\}[^]*?\\caption\{Default caption\}\\label\{tbl-long\}/,
+  /\\begin\{table\}\[t\][^]*?\\caption\{Floating caption\}\\label\{tbl-float\}/,
+  /Table~\\ref\{tbl-long\}/,
+  /Table~\\ref\{tbl-float\}/,
+]);
+
+renderVerifyLatexOutput(docs("crossrefs/tables-twocolumn-list.qmd"), [
+  /\\begin\{table\}[^]*?\\caption\{List caption\}\\label\{tbl-list\}/,
+  /\\begin\{minipage\}[^]*?\\begin\{tabular\}/,
+], [
+  /\\begin\{longtable\}/,
+  /\\begin\{minipage\}(?:(?!\\end\{minipage\})[^])*\\begin\{table\}/,
+]);
+
+testRender(docs("crossrefs/tables-twocolumn.qmd"), "pdf", true, [
+  ensurePdfRegexMatches(docs("crossrefs/tables-twocolumn.pdf"), [
+    /Table 1: First caption/,
+    /Table 2: Second caption/,
+    /Table 3: Panel caption/,
+    /See Table 1, Table 2, and Table 3 \(especially Table 3a\)/,
+  ], [/\?\?/]),
+]);
+
+renderVerifyLatexOutput(docs("crossrefs/tables-float-layouts.qmd"), [
+  /\\begin\{table\*\}\[t\][^]*?\\end\{tabular\}[^]*?\\caption\[Short wide caption\]\{\\label\{tbl-wide\}Wide caption\}/,
+  /\\multicolumn\{2\}/,
+  /\\multirow\{2\}/,
+  /\\real\{0\.3000\}/,
+  /\\real\{0\.7000\}/,
+  /Doe[^]*?2020/,
+], [
+  /\\begin\{longtable\}/,
+  /85b77c8a-261c-4f58-9b04-f21c67e0a758/,
+  /\\begin\{minipage\}(?:(?!\\end\{minipage\})[^])*\\begin\{table\}/,
+]);
+
+testRender(docs("crossrefs/tables-float-layouts.qmd"), "pdf", true, [
+  ensurePdfRegexMatches(docs("crossrefs/tables-float-layouts.pdf"), [
+    /Table 1: Wide caption/,
+    /Table 2: Bottom caption/,
+    /Table 3: After caption/,
+    /See Table 1, Table 2, and Table 3/,
+    /Doe[^]*?2020/,
+    /Table note text\./,
+  ], [/\?\?/]),
+]);
+
+testRender(docs("crossrefs/tables-float-margin.qmd"), "pdf", true, [
+  ensurePdfRegexMatches(docs("crossrefs/tables-float-margin.pdf"), [
+    /Table 1: Margin\s+caption/,
+    /Table 2: Wide one-column caption/,
+    /See Table 1 and Table 2/,
+    /Bare margin/,
+    /Cell margin/,
+  ], [/\?\?/]),
+]);
+
+testRender(docs("crossrefs/tables-float-switch.qmd"), "pdf", true, [
+  ensurePdfRegexMatches(docs("crossrefs/tables-float-switch.pdf"), [
+    /Table 1: Switched caption/,
+    /Table 2: Restored caption/,
+    /See Table 1/,
+    /Double-column figure/,
+  ], [/\?\?/]),
+]);