diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92675d98..354f311c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,10 @@ Instructions: Add a subsection under `[Unreleased]` for additions, fixes, change
 
 ## [Unreleased]
 
+### Changes
+
+- Improve printout reflowing, especially on hide solution toggle.
+
 ## [2.48.1] - 2026-08-09
 
 Includes updates to core through commit: [94cd93d](https://github.com/PreTeXtBook/pretext/commit/94cd93d9e175822173f5a4d89870b346aedd6717)
diff --git a/pretext/__init__.py b/pretext/__init__.py
index e6589b69..851b6e01 100644
--- a/pretext/__init__.py
+++ b/pretext/__init__.py
@@ -18,7 +18,7 @@
 
 VERSION = get_version("pretext", Path(__file__).parent.parent)
 
-CORE_COMMIT = "94cd93d9e175822173f5a4d89870b346aedd6717"
+CORE_COMMIT = "ddf48d0b0da1ac5eb315f53f3fac3ee56a127fe6"
 
 
 def activate() -> None:
diff --git a/schema/project-ptx.rnc b/schema/project-ptx.rnc
index 7d11bbc6..b0b05258 100644
--- a/schema/project-ptx.rnc
+++ b/schema/project-ptx.rnc
@@ -70,7 +70,8 @@ CommonAttributes = (
 	attribute site {text}?,
 	attribute xsl { text }?,
 	attribute asy-method { "server" | "local" }?,
-	attribute standalone { "yes" | "no" }?
+	attribute standalone { "yes" | "no" }?,
+	attribute deploy { "yes" | "no" }?
 )
 
 HtmlAttributes = (
@@ -84,7 +85,8 @@ PdfAttributes = (
 	attribute format { "pdf" },
 	attribute pdf-method { "xelatex" | "pdflatex" | "latex" | "pdf-fo"}?,
 	attribute latex-engine { "xelatex" | "pdflatex" | "latex" }?,
-	attribute output-filename { text }?
+	attribute output-filename { text }?,
+	attribute latex-source { "yes" | "no" }?
 )
 
 LatexAttributes = (
diff --git a/schema/project-ptx.rng b/schema/project-ptx.rng
index f498fb4c..84cc5ada 100644
--- a/schema/project-ptx.rng
+++ b/schema/project-ptx.rng
@@ -129,6 +129,14 @@ These parameters are rarely used by content authors.</a:documentation>
         </choice>
       </attribute>
     </optional>
+    <optional>
+      <attribute name="deploy">
+        <choice>
+          <value>yes</value>
+          <value>no</value>
+        </choice>
+      </attribute>
+    </optional>
   </define>
   <define name="HtmlAttributes">
     <attribute name="format">
@@ -181,6 +189,14 @@ These parameters are rarely used by content authors.</a:documentation>
     <optional>
       <attribute name="output-filename"/>
     </optional>
+    <optional>
+      <attribute name="latex-source">
+        <choice>
+          <value>yes</value>
+          <value>no</value>
+        </choice>
+      </attribute>
+    </optional>
   </define>
   <define name="LatexAttributes">
     <attribute name="format">