[Docs] Update release notes for 4.10.0

docs/PreReleaseNotes.txt

@@ -6,10 +6,6 @@ Prerelease Notes
 ================
 
 + **New Features**
-  * **[POSIX]** Add methods to the cache mngt objecT to get status of a cached file.
-  * **[Server]** Allow better handling for proxy caching clusters.
-  * **[Server]** Allow configurable posc sync level.
-  * **[Server]** Implement framework for a kXR_prepare plug-in.
 
 + **Major bug fixes**
 

docs/ReleaseNotes.txt

@@ -6,6 +6,53 @@ Release Notes
 =============
 
 
+--------------
+Version 4.10.0
+--------------
+
++ **New Features**
+  * **[POSIX]** Add methods to the cache mngt objecT to get status of a 
+                cached file.
+  * **[Server]** Allow better handling for proxy caching clusters.
+  * **[Server]** Allow configurable posc sync level.
+  * **[Server]** Implement framework for a kXR_prepare plug-in.
+  * **[XrdCl]** Implement streaming dirls, closes #225
+  * **[XrdCl]** Retry policy changes: see details in #950. 
+  * **[XrdCl]** Add switch/flag to enforce zip archive listing.
+  * **[XrdCl]** Preserve tried/triedrc cgi info on redirect for kXR_locate
+                request, #closes #944
+  * **[XrdCl]** Expose prepare abort and query prepare.
+  * **[Python]** Expose chunked dirlist API in Python.
+  * **[Python]** Support globbing.
+  * **[XrdClHttp]** Add XrdClHttp submodule.
+  * **[XCache]** Implement write-queue number of blocks / threads config 
+                 options. (#963)
+
++ **Major bug fixes**
+  * **[XrdCl]** Allow to cancel classical copy jobs.
+  * **[XCache]** Check for errors during XrdOssFile::FSync - do not write
+                 cinfo file if it fails.
+  * **[XrdTpc]** Always query dual stack for HTTP TPC.
+  * **[XrdHttp]** Include provided opaque information in the redirection.
+  * **[XrdSecgsi]** Make proxy cache path aware.
+
++ **Minor bug fixes**
+  * **[XrdCl]** Use DirList with Locate and Merge flag in xrdcp
+  * **[CMake]** Enable by default rpaths on MacOSX.
+  * **[Server]** Use correct directory path creation flag in kXR_open 
+                 (compatible).
+  * **[SSI]** Close loophole between internal "provision" and Finished()
+              calls.
+
++ **Miscellaneous**
+  * **[XrdCl]** Enhance redirect back-trace output.
+  * **[Python]** Respect pip python version when installing xrootd, fixes #955.
+  * **[Python]** Respect pip --user switch, fixes #952
+  * **[CMSD]** Allow redirect when limit exceeded in sched directive.
+  * **[Packaging]** Add support for Ubuntu disco.
+  * **[Packaging]** Discontinue support for Ubuntu artful.
+  * **[XrdCeph]** Replace XrdCeph source code with a submodule.
+
 -------------
 Version 4.9.1
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