Correct ORT version metadata to 1.27.0

Author: Gopalakrishnan Nallasamy

VERSION_NUMBER

@@ -1 +1 @@
-1.28.0
+1.27.0

include/onnxruntime/core/session/onnxruntime_c_api.h

@@ -38,7 +38,7 @@
  *
  * This value is used by some API functions to behave as this version of the header expects.
  */
-#define ORT_API_VERSION 28
+#define ORT_API_VERSION 27
 
 #ifdef __cplusplus
 extern "C" {
@@ -7540,9 +7540,9 @@ struct OrtApi {
    * \param[in] read_func The OrtReadEpContextDataFunc callback.
    * \param[in] state Opaque state passed to read_func. Can be NULL.
    *
-   * \snippet{doc} snippets.dox OrtStatus Return Value
-   *
-   * \since Version 1.28.
+  * \snippet{doc} snippets.dox OrtStatus Return Value
+  *
+  * \since Version 1.27.
    */
   ORT_API2_STATUS(SessionOptions_SetEpContextDataReadFunc, _Inout_ OrtSessionOptions* options,
                   _In_ OrtReadEpContextDataFunc read_func, _In_opt_ void* state);
@@ -8381,9 +8381,9 @@ struct OrtCompileApi {
    * \param[in] write_func The OrtWriteEpContextDataFunc called to write EPContext bytes.
    * \param[in] state Opaque state passed to write_func. Can be NULL.
    *
-   * \snippet{doc} snippets.dox OrtStatus Return Value
-   *
-   * \since Version 1.28.
+  * \snippet{doc} snippets.dox OrtStatus Return Value
+  *
+  * \since Version 1.27.
    */
   ORT_API2_STATUS(ModelCompilationOptions_SetEpContextDataWriteFunc,
                   _In_ OrtModelCompilationOptions* model_compile_options,

include/onnxruntime/core/session/onnxruntime_ep_c_api.h

@@ -2092,19 +2092,19 @@ struct OrtEpApi {
    * \param[in] session_options The OrtSessionOptions instance.
    * \param[out] config The extracted OrtEpContextConfig.
    *
-   * \snippet{doc} snippets.dox OrtStatus Return Value
-   *
-   * \since Version 1.28.
+  * \snippet{doc} snippets.dox OrtStatus Return Value
+  *
+  * \since Version 1.27.
    */
   ORT_API2_STATUS(SessionOptions_GetEpContextConfig,
                   _In_ const OrtSessionOptions* session_options,
                   _Outptr_ OrtEpContextConfig** config);
 
   /** \brief Release an OrtEpContextConfig instance.
    *
-   * \param[in] input The OrtEpContextConfig instance to release. May be NULL.
-   *
-   * \since Version 1.28.
+  * \param[in] input The OrtEpContextConfig instance to release. May be NULL.
+  *
+  * \since Version 1.27.
    */
   ORT_CLASS_RELEASE(EpContextConfig);
 
@@ -2119,9 +2119,9 @@ struct OrtEpApi {
    * \param[out] read_func The registered read callback, or NULL if none was registered.
    * \param[out] state Opaque state pointer passed to read_func, or NULL if none was registered.
    *
-   * \snippet{doc} snippets.dox OrtStatus Return Value
-   *
-   * \since Version 1.28.
+  * \snippet{doc} snippets.dox OrtStatus Return Value
+  *
+  * \since Version 1.27.
    */
   ORT_API2_STATUS(EpContextConfig_GetEpContextDataReadFunc,
                   _In_ const OrtEpContextConfig* config,
@@ -2139,9 +2139,9 @@ struct OrtEpApi {
    * \param[out] write_func The registered write callback, or NULL if none was registered.
    * \param[out] state Opaque state pointer passed to write_func, or NULL if none was registered.
    *
-   * \snippet{doc} snippets.dox OrtStatus Return Value
-   *
-   * \since Version 1.28.
+  * \snippet{doc} snippets.dox OrtStatus Return Value
+  *
+  * \since Version 1.27.
    */
   ORT_API2_STATUS(EpContextConfig_GetEpContextDataWriteFunc,
                   _In_ const OrtEpContextConfig* config,

onnxruntime/core/session/onnxruntime_c_api.cc

@@ -4408,7 +4408,7 @@ Second example, if we wanted to add and remove some members, we'd do this:
     In GetApi we now make it return ort_api_3 for version 3.
 */
 
-static constexpr OrtApi ort_api_1_to_28 = {
+static constexpr OrtApi ort_api_1_to_27 = {
     // NOTE: The ordering of these fields MUST not change after that version has shipped since existing binaries depend on this ordering.
 
     // Shipped as version 1 - DO NOT MODIFY (see above text for more information)
@@ -4918,9 +4918,8 @@ static constexpr OrtApi ort_api_1_to_28 = {
     // End of Version 26 - DO NOT MODIFY ABOVE (see above text for more information)
     &OrtApis::GetMemPatternEnabled,
     &OrtApis::GetSessionExecutionMode,
-    // End of Version 27 - DO NOT MODIFY ABOVE (see above text for more information)
-
     &OrtApis::SessionOptions_SetEpContextDataReadFunc,
+    // End of Version 27 - DO NOT MODIFY ABOVE (see above text for more information)
 };
 
 // OrtApiBase can never change as there is no way to know what version of OrtApiBase is returned by OrtGetApiBase.
@@ -4960,10 +4959,10 @@ static_assert(offsetof(OrtApi, CreateExternalInitializerInfo) / sizeof(void*) ==
 static_assert(offsetof(OrtApi, GetTensorElementTypeAndShapeDataReference) / sizeof(void*) == 414, "Size of version 24 API cannot change");
 static_assert(offsetof(OrtApi, SetPerSessionThreadPoolCallbacks) / sizeof(void*) == 418, "Size of version 25 API cannot change");
 // no additions in version 26
-static_assert(offsetof(OrtApi, GetSessionExecutionMode) / sizeof(void*) == 420, "Size of version 27 API cannot change");
+static_assert(offsetof(OrtApi, SessionOptions_SetEpContextDataReadFunc) / sizeof(void*) == 421, "Size of version 27 API cannot change");
 
 // So that nobody forgets to finish an API version, this check will serve as a reminder:
-static_assert(std::string_view(ORT_VERSION) == "1.28.0",
+static_assert(std::string_view(ORT_VERSION) == "1.27.0",
               "ORT_Version change detected, please follow below steps to ensure OrtApi is updated properly");
 // 1. Update the hardcoded version string in above static_assert to silence it
 //
@@ -4979,7 +4978,7 @@ static_assert(std::string_view(ORT_VERSION) == "1.28.0",
 
 ORT_API(const OrtApi*, OrtApis::GetApi, uint32_t version) {
   if (version >= 1 && version <= ORT_API_VERSION)
-    return &ort_api_1_to_28;
+    return &ort_api_1_to_27;
 
   fprintf(stderr,
           "The requested API version [%u] is not available, only API versions [1, %u] are supported in this build."