diff --git a/ueforth/Makefile b/ueforth/Makefile
index 15c04a6..1f79520 100644
--- a/ueforth/Makefile
+++ b/ueforth/Makefile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-VERSION=7.0.6.10
+VERSION=7.0.6.11
 STABLE_VERSION=7.0.5.4
 REVISION=$(shell git rev-parse HEAD | head -c 20)
 REVSHORT=$(shell echo $(REVISION) | head -c 7)
diff --git a/ueforth/esp32/bindings.fs b/ueforth/esp32/bindings.fs
index d71069a..ad6a0d6 100644
--- a/ueforth/esp32/bindings.fs
+++ b/ueforth/esp32/bindings.fs
@@ -78,6 +78,45 @@ transfer{
 forth definitions
 [THEN]
 
+DEFINED? spi_flash_init [IF]
+vocabulary spi_flash   spi_flash definitions
+transfer{
+  spi_flash_init spi_flash_get_chip_size
+  spi_flash_erase_sector spi_flash_erase_range
+  spi_flash_write spi_flash_write_encrypted
+  spi_flash_read spi_flash_read_encrypted
+  spi_flash_mmap spi_flash_mmap_pages spi_flash_munmap
+  spi_flash_mmap_dump spi_flash_mmap_get_free_pages
+  spi_flash_cache2phys spi_flash_phys2cache spi_flash_cache_enabled
+  esp_partition_find esp_partition_find_first esp_partition_get
+  esp_partition_next esp_partition_iterator_release
+  esp_partition_verify esp_partition_read esp_partition_write
+  esp_partition_erase_range esp_partition_mmap
+  esp_partition_get_sha256 esp_partition_check_identity
+}transfer
+0 constant SPI_PARTITION_TYPE_APP
+1 constant SPI_PARTITION_TYPE_DATA
+$ff constant SPI_PARTITION_SUBTYPE_ANY
+( Work around changing struct layout )
+: p>common ( part -- part' ) esp_partition_t_size 44 >= if cell+ then ;
+: p>type ( part -- n ) p>common @ ;
+: p>subtype ( part -- n ) p>common cell+ @ ;
+: p>address ( part -- n ) p>common 2 cells + @ ;
+: p>size ( part -- n ) p>common 3 cells + @ ;
+: p>label ( part -- a n ) p>common 4 cells + z>s ;
+: p. ( part -- )
+  base @ >r >r decimal
+  ." TYPE: " r@ p>type . ." SUBTYPE: " r@ p>subtype .
+  ." ADDR: " r@ hex p>address .  ." SIZE: " r@ p>size .
+  ." LABEL: " r> p>label type cr r> base ! ;
+: list-partition-type ( type -- )
+  SPI_PARTITION_SUBTYPE_ANY 0 esp_partition_find
+  begin dup esp_partition_get p. esp_partition_next dup 0= until drop ;
+: list-partitions   SPI_PARTITION_TYPE_APP list-partition-type
+                    SPI_PARTITION_TYPE_DATA list-partition-type ;
+forth definitions
+[THEN]
+
 vocabulary SPIFFS   SPIFFS definitions
 transfer{
   SPIFFS.begin SPIFFS.end
diff --git a/ueforth/esp32/template.ino b/ueforth/esp32/template.ino
index 712a7d6..65818a8 100644
--- a/ueforth/esp32/template.ino
+++ b/ueforth/esp32/template.ino
@@ -34,6 +34,7 @@
 #define ENABLE_INTERRUPTS_SUPPORT
 #define ENABLE_LEDC_SUPPORT
 #define ENABLE_SD_SUPPORT
+#define ENABLE_SPI_FLASH_SUPPORT
 
 // SD_MMC does not work on ESP32-S2 / ESP32-C3
 #if !defined(CONFIG_IDF_TARGET_ESP32S2) && !defined(CONFIG_IDF_TARGET_ESP32C3)
@@ -117,6 +118,7 @@
   OPTIONAL_INTERRUPTS_SUPPORT \
   OPTIONAL_RMT_SUPPORT \
   OPTIONAL_OLED_SUPPORT \
+  OPTIONAL_SPI_FLASH_SUPPORT \
   USER_WORDS
 
 #define REQUIRED_MEMORY_SUPPORT \
@@ -202,6 +204,66 @@
   Y(dacWrite, dacWrite(n1, n0); DROPn(2))
 #endif
 
+#ifndef ENABLE_SPI_FLASH_SUPPORT
+# define OPTIONAL_SPI_FLASH_SUPPORT
+#else
+# include "esp_spi_flash.h"
+# include "esp_partition.h"
+# define OPTIONAL_SPI_FLASH_SUPPORT \
+  Y(spi_flash_init, spi_flash_init()) \
+  Y(spi_flash_get_chip_size, PUSH spi_flash_get_chip_size()) \
+  Y(spi_flash_erase_sector, n0 = spi_flash_erase_sector(n0)) \
+  Y(spi_flash_erase_range, n0 = spi_flash_erase_range(n1, n0); DROP) \
+  Y(spi_flash_write, n0 = spi_flash_write(n2, a1, n0); NIPn(2)) \
+  Y(spi_flash_write_encrypted, n0 = spi_flash_write_encrypted(n2, a1, n0); NIPn(2)) \
+  Y(spi_flash_read, n0 = spi_flash_read(n2, a1, n0); NIPn(2)) \
+  Y(spi_flash_read_encrypted, n0 = spi_flash_read_encrypted(n2, a1, n0); NIPn(2)) \
+  Y(spi_flash_mmap, \
+      n0 = spi_flash_mmap(n4, n3, (spi_flash_mmap_memory_t) n2, \
+                          (const void **) a1, (spi_flash_mmap_handle_t *) a0); NIPn(4)) \
+  Y(spi_flash_mmap_pages, \
+      n0 = spi_flash_mmap_pages((const int *) a4, n3, (spi_flash_mmap_memory_t) n2, \
+                                (const void **) a1, (spi_flash_mmap_handle_t *) a0); NIPn(4)) \
+  Y(spi_flash_munmap, spi_flash_munmap((spi_flash_mmap_handle_t) a0); DROP) \
+  Y(spi_flash_mmap_dump, spi_flash_mmap_dump()) \
+  Y(spi_flash_mmap_get_free_pages, \
+      n0 = spi_flash_mmap_get_free_pages((spi_flash_mmap_memory_t) n0)) \
+  Y(spi_flash_cache2phys, n0 = spi_flash_cache2phys(a0)) \
+  Y(spi_flash_phys2cache, \
+      n0 = (cell_t) spi_flash_phys2cache(n1, (spi_flash_mmap_memory_t) n0); NIP) \
+  Y(spi_flash_cache_enabled, PUSH spi_flash_cache_enabled()) \
+  Y(esp_partition_find, \
+      n0 = (cell_t) esp_partition_find((esp_partition_type_t) n2, \
+                                       (esp_partition_subtype_t) n1, c0); NIPn(2)) \
+  Y(esp_partition_find_first, \
+      n0 = (cell_t) esp_partition_find_first((esp_partition_type_t) n2, \
+                                             (esp_partition_subtype_t) n1, c0); NIPn(2)) \
+  Y(esp_partition_t_size, PUSH sizeof(esp_partition_t)) \
+  Y(esp_partition_get, \
+      n0 = (cell_t) esp_partition_get((esp_partition_iterator_t) a0)) \
+  Y(esp_partition_next, \
+      n0 = (cell_t) esp_partition_next((esp_partition_iterator_t) a0)) \
+  Y(esp_partition_iterator_release, \
+      esp_partition_iterator_release((esp_partition_iterator_t) a0); DROP) \
+  Y(esp_partition_verify, n0 = (cell_t) esp_partition_verify((esp_partition_t *) a0)) \
+  Y(esp_partition_read, \
+      n0 = esp_partition_read((const esp_partition_t *) a3, n2, a1, n0); NIPn(3)) \
+  Y(esp_partition_write, \
+      n0 = esp_partition_write((const esp_partition_t *) a3, n2, a1, n0); NIPn(3)) \
+  Y(esp_partition_erase_range, \
+      n0 = esp_partition_erase_range((const esp_partition_t *) a2, n1, n0); NIPn(2)) \
+  Y(esp_partition_mmap, \
+      n0 = esp_partition_mmap((const esp_partition_t *) a5, n4, n3, \
+                              (spi_flash_mmap_memory_t) n2, \
+                              (const void **) a1, \
+                              (spi_flash_mmap_handle_t *) a0); NIPn(5)) \
+  Y(esp_partition_get_sha256, \
+      n0 = esp_partition_get_sha256((const esp_partition_t *) a1, b0); NIP) \
+  Y(esp_partition_check_identity, \
+      n0 = esp_partition_check_identity((const esp_partition_t *) a1, \
+                                        (const esp_partition_t *) a0); NIP)
+#endif
+
 #ifndef ENABLE_SPIFFS_SUPPORT
 // Provide a default failing SPIFFS.begin
 # define OPTIONAL_SPIFFS_SUPPORT \
diff --git a/ueforth/site/ESP32forth.html b/ueforth/site/ESP32forth.html
index 312127f..ae42f80 100644
--- a/ueforth/site/ESP32forth.html
+++ b/ueforth/site/ESP32forth.html
@@ -455,6 +455,41 @@ WiFi.getTxPower ( -- powerx4 )   Get power x4
 MDNS.begin ( name-z -- )   Start multicast dns
 </pre>
 
+<h5>SPI Flash</h5>
+These words are inside the <code>spi_flash</code> vocabulary.
+<pre>
+spi_flash_init ( -- ) Init driver access.
+spi_flash_get_chip_size ( -- n ) Get flash size.
+spi_flash_erase_sector ( sector -- err ) Erase a sector.
+spi_flash_erase_range ( addr size -- err ) Erase a range.
+spi_flash_write ( destaddr src size -- err ) Write to flash.
+spi_flash_write_encrypted ( destaddr src size -- err ) Write encrypted.
+spi_flash_read ( srcaddr dst size -- err ) Read from flash.
+spi_flash_read_encrypted ( srcaddr dst size -- err ) Read encrypted.
+spi_flash_mmap ( srcaddr size memtype out outhandle -- err ) Map region.
+spi_flash_mmap_pages ( pages pages# memtype out outhandle -- err ) Map pages.
+spi_flash_munmap ( handle -- ) Unmap region.
+spi_flash_mmap_dump ( -- ) Dump memory map.
+spi_flash_mmap_get_free_pages ( memtype -- n ) Get free pages.
+spi_flash_cache2phys ( a -- addr ) Get flash addr.
+spi_flash_phys2cache ( addr memtype -- a ) Get mapped flash addr.
+spi_flash_cache_enabled ( -- f ) Is flash enabled.
+
+esp_partition_t_size ( -- n ) sizeof(esp_parition_t).
+esp_partition_find ( type subtype szlabel -- it ) Get partition iterator.
+esp_partition_find_first ( type subtype szlabel -- part ) Get first partition.
+esp_partition_get ( it -- part ) Get current partition.
+esp_partition_next ( it -- it' ) Get next partition.
+esp_partition_iterator_release ( it -- ) Free iterator.
+esp_partition_verify ( part -- part' ) Verify partition.
+esp_partition_read ( part srcoff dst size -- err ) Read from partition.
+esp_partition_write ( part dstoff src size -- err ) Write to partition.
+esp_partition_erase_range ( part start size -- err ) Erase range.
+esp_partition_mmap ( part off size memtype out outhandle -- err ) Map memory.
+esp_partition_get_sha256 ( part a -- err ) Get sha256 digest.
+esp_partition_check_identity ( part part -- f ) Check partitions for equality.
+</pre>
+
 <h5>SPIFFS</h5>
 These words are inside the <code>SPIFFS</code> vocabulary.
 <pre>