[7.4] Saved objects import compatibility across versions (#94072)

NOTICE.txt

@@ -1,5 +1,5 @@
 Kibana source code with Kibana X-Pack source code
-Copyright 2012-2020 Elasticsearch B.V.
+Copyright 2012-2021 Elasticsearch B.V.
 
 ---
 Pretty handling of logarithmic axes.
@@ -153,6 +153,46 @@ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
+---
+This product includes code in the function applyCubicBezierStyles that was
+inspired by a public Codepen, which was available under a "MIT" license.
+
+Copyright (c) 2020 by Guillaume (https://codepen.io/guillaumethomas/pen/xxbbBKO)
+MIT License http://www.opensource.org/licenses/mit-license
+
+---
+This product includes code that is adapted from mapbox-gl-js, which is
+available under a "BSD-3-Clause" license.
+https://github.com/mapbox/mapbox-gl-js/blob/master/src/util/image.js
+
+Copyright (c) 2016, Mapbox
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name of Mapbox GL JS nor the names of its contributors
+      may be used to endorse or promote products derived from this software
+      without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 ---
 This product includes code that is adapted from mapbox-gl-js, which is
 available under a "BSD-3-Clause" license.
@@ -237,3 +277,9 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
+---
+\n *\n * This product includes code that is based on Ace editor, which was available\n * under a \"BSD\" license.\n *\n * Distributed under the BSD license:\n *\n * Copyright (c) 2010, Ajax.org B.V.\n * All rights reserved.\n *\n *  Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are met:\n *     * Redistributions of source code must retain the above copyright\n *       notice, this list of conditions and the following disclaimer.\n *     * Redistributions in binary form must reproduce the above copyright\n *       notice, this list of conditions and the following disclaimer in the\n *       documentation and/or other materials provided with the distribution.\n *     * Neither the name of Ajax.org B.V. nor the\n *       names of its contributors may be used to endorse or promote products\n *       derived from this software without specific prior written permission.\n *\n *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY\n * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND\n * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\n * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n
+
+---
+\n *\n * This product includes code that is based on Ace editor, which was available\n * under a \"BSD\" license.\n *\n * Distributed under the BSD license:\n *\n * Copyright (c) 2010, Ajax.org B.V.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are met:\n *     * Redistributions of source code must retain the above copyright\n *       notice, this list of conditions and the following disclaimer.\n *     * Redistributions in binary form must reproduce the above copyright\n *       notice, this list of conditions and the following disclaimer in the\n *       documentation and/or other materials provided with the distribution.\n *     * Neither the name of Ajax.org B.V. nor the\n *       names of its contributors may be used to endorse or promote products\n *       derived from this software without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY\n * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND\n * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\n * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n
+

docs/api/saved-objects/import.asciidoc

@@ -6,6 +6,18 @@
 
 experimental[] Create a set of {kib} saved objects from a file created by the export API.
 
+==== Compatibility across versions
+Saved objects can only be imported into the same version, a newer minor on the same major, or the next major. Exported saved objects are not backwards compatible and cannot be imported into an older version of {kib}. See the table below for compatibility examples:
+
+|=======
+| Exporting version | Importing version | Compatible?
+| 6.7.0 | 6.8.1 | Yes
+| 6.8.1 | 7.3.0 | Yes
+| 7.3.0 | 7.11.1 | Yes
+| 7.11.1 | 7.6.0 | No
+| 6.8.1 | 8.0.0 | No
+|=======
+
 [[saved-objects-api-import-request]]
 ==== Request
 

docs/management/managing-saved-objects.asciidoc

@@ -39,6 +39,21 @@ have multiple environments for development and production.
 Import and export also work well when you have a large number 
 of objects to update and want to batch the process.  
 
+[float]
+==== Compatibility across versions
+
+With each release, {kib} introduces changes to the way saved objects are stored. When importing a saved object, {kib} will run the necessary migrations to ensure that the imported saved objects are compatible with the current version.
+
+However, saved objects can only be imported into the same version, a newer minor on the same major, or the next major. Exported saved objects are not backwards compatible and cannot be imported into an older version of {kib}. See the table below for compatibility examples:
+
+|=======
+| Exporting version | Importing version | Compatible?
+| 6.7.0 | 6.8.1 | Yes
+| 6.8.1 | 7.3.0 | Yes
+| 7.3.0 | 7.11.1 | Yes
+| 7.11.1 | 7.6.0 | No
+| 6.8.1 | 8.0.0 | No
+|=======
 
 [float]
 ==== Import