diff --git a/Cargo.lock b/Cargo.lock
index 130c898..bd2242b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -133,7 +133,7 @@ dependencies = [
 
 [[package]]
 name = "sdl3-ttf-src"
-version = "2.20.0-release-456-g099520d"
+version = "3.1.0-preview-0"
 
 [[package]]
 name = "sdl3-ttf-sys"
diff --git a/sdl3-ttf-src/Cargo.toml b/sdl3-ttf-src/Cargo.toml
index 72a7056..0a6921b 100644
--- a/sdl3-ttf-src/Cargo.toml
+++ b/sdl3-ttf-src/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sdl3-ttf-src"
-version = "2.20.0-release-456-g099520d"
+version = "3.1.0-preview-0"
 edition = "2021"
 authors = ["SDL developers"]
 license = "Zlib"
diff --git a/sdl3-ttf-src/SDL_ttf b/sdl3-ttf-src/SDL_ttf
index 099520d..07e4d12 160000
--- a/sdl3-ttf-src/SDL_ttf
+++ b/sdl3-ttf-src/SDL_ttf
@@ -1 +1 @@
-Subproject commit 099520d9bf907a38e16ed3f1d22a0d98035c9c57
+Subproject commit 07e4d1241817f2c0f81749183fac5ec82d7bbd72
diff --git a/sdl3-ttf-src/src/lib.rs b/sdl3-ttf-src/src/lib.rs
index 970ab21..7916f6d 100644
--- a/sdl3-ttf-src/src/lib.rs
+++ b/sdl3-ttf-src/src/lib.rs
@@ -8,19 +8,19 @@ pub const SOURCE_DIR: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/SDL_ttf");
 pub const SOURCE_DIR: &str = concat!(env!("CARGO_MANIFEST_DIR"), "\\SDL_ttf");
 
 /// Revision
-pub const REVISION: &str = "SDL3_ttf-release-2.20.0-456-g099520d";
+pub const REVISION: &str = "SDL3_ttf-preview-3.1.0";
 
 /// Version part of the revision
-pub const VERSION: &str = "2.20.0";
+pub const VERSION: &str = "3.1.0";
 
 /// Tag part of the revision
-pub const REVISION_TAG: &str = "release-2.20.0";
+pub const REVISION_TAG: &str = "preview-3.1.0";
 
 /// Tag part of the revision without version
-pub const REVISION_TAG_BASE: &str = "release";
+pub const REVISION_TAG_BASE: &str = "preview";
 
 /// Offset from tag part of the revision
-pub const REVISION_OFFSET: &str = "456";
+pub const REVISION_OFFSET: &str = "0";
 
 /// Hash part of the revision
-pub const REVISION_HASH: &str = "g099520d";
+pub const REVISION_HASH: &str = "g07e4d12";
diff --git a/sdl3-ttf-sys/Cargo.toml b/sdl3-ttf-sys/Cargo.toml
index 242ebac..24d0665 100644
--- a/sdl3-ttf-sys/Cargo.toml
+++ b/sdl3-ttf-sys/Cargo.toml
@@ -51,7 +51,7 @@ version = "0.1.2"
 optional = true
 
 [build-dependencies.sdl3-ttf-src]
-version = "2.20.0-release-456-g099520d"
+version = "3.1.0-preview-0"
 path = "../sdl3-ttf-src"
 optional = true
 
diff --git a/sdl3-ttf-sys/README.md b/sdl3-ttf-sys/README.md
index 5a20d2c..6f3a504 100644
--- a/sdl3-ttf-sys/README.md
+++ b/sdl3-ttf-sys/README.md
@@ -1,3 +1,3 @@
 # sdl3-ttf-sys
 
-This version of `sdl3-ttf-sys` has bindings for SDL_ttf version `2.20.0-release-456-g099520d` and earlier.
+This version of `sdl3-ttf-sys` has bindings for SDL_ttf version `3.1.0-preview` and earlier.
diff --git a/sdl3-ttf-sys/src/generated/ttf.rs b/sdl3-ttf-sys/src/generated/ttf.rs
index 6fb5e6b..c02337e 100644
--- a/sdl3-ttf-sys/src/generated/ttf.rs
+++ b/sdl3-ttf-sys/src/generated/ttf.rs
@@ -189,10 +189,12 @@ extern "C" {
     ///
     /// - [`TTF_PROP_FONT_CREATE_FILENAME_STRING`]\: the font file to open, if an
     ///   [`SDL_IOStream`] isn't being used. This is required if
-    ///   [`TTF_PROP_FONT_CREATE_IOSTREAM_POINTER`] isn't set.
+    ///   [`TTF_PROP_FONT_CREATE_IOSTREAM_POINTER`] and
+    ///   [`TTF_PROP_FONT_CREATE_EXISTING_FONT`] aren't set.
     /// - [`TTF_PROP_FONT_CREATE_IOSTREAM_POINTER`]\: an [`SDL_IOStream`] containing the
     ///   font to be opened. This should not be closed until the font is closed.
-    ///   This is required if [`TTF_PROP_FONT_CREATE_FILENAME_STRING`] isn't set.
+    ///   This is required if [`TTF_PROP_FONT_CREATE_FILENAME_STRING`] and
+    ///   [`TTF_PROP_FONT_CREATE_EXISTING_FONT`] aren't set.
     /// - [`TTF_PROP_FONT_CREATE_IOSTREAM_OFFSET_NUMBER`]\: the offset in the iostream
     ///   for the beginning of the font, defaults to 0.
     /// - [`TTF_PROP_FONT_CREATE_IOSTREAM_AUTOCLOSE_BOOLEAN`]\: true if closing the
@@ -209,6 +211,9 @@ extern "C" {
     /// - [`TTF_PROP_FONT_CREATE_VERTICAL_DPI_NUMBER`]\: the vertical DPI to use for
     ///   font rendering, defaults to [`TTF_PROP_FONT_CREATE_HORIZONTAL_DPI_NUMBER`]
     ///   if set, or 72 otherwise.
+    /// - [`TTF_PROP_FONT_CREATE_EXISTING_FONT`]\: an optional [`TTF_Font`] that, if set,
+    ///   will be used as the font data source and the initial size and style of
+    ///   the new font.
     ///
     /// ### Parameters
     /// - `props`: the properties to use.
@@ -252,6 +257,36 @@ pub const TTF_PROP_FONT_CREATE_HORIZONTAL_DPI_NUMBER: *const ::core::ffi::c_char
 pub const TTF_PROP_FONT_CREATE_VERTICAL_DPI_NUMBER: *const ::core::ffi::c_char =
     c"SDL_ttf.font.create.vdpi".as_ptr();
 
+pub const TTF_PROP_FONT_CREATE_EXISTING_FONT: *const ::core::ffi::c_char =
+    c"SDL_ttf.font.create.existing_font".as_ptr();
+
+extern "C" {
+    /// Create a copy of an existing font.
+    ///
+    /// The copy will be distinct from the original, but will share the font file
+    /// and have the same size and style as the original.
+    ///
+    /// When done with the returned [`TTF_Font`], use [`TTF_CloseFont()`] to dispose of it.
+    ///
+    /// ### Parameters
+    /// - `existing_font`: the font to copy.
+    ///
+    /// ### Return value
+    /// Returns a valid [`TTF_Font`], or NULL on failure; call [`SDL_GetError()`] for more
+    ///   information.
+    ///
+    /// ### Thread safety
+    /// This function should be called on the thread that created the
+    ///   original font.
+    ///
+    /// ### Availability
+    /// This function is available since SDL_ttf 3.0.0.
+    ///
+    /// ### See also
+    /// - [`TTF_CloseFont`]
+    pub fn TTF_CopyFont(existing_font: *mut TTF_Font) -> *mut TTF_Font;
+}
+
 extern "C" {
     /// Get the properties associated with a font.
     ///