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diff relnotes/next @ 47000:c3eee5ad1de9 stable

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relnote: document the use of persistent-nodemap by default for Rust build Differential Revision: https://phab.mercurial-scm.org/D10498
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Tue, 20 Apr 2021 16:29:05 +0200
parents 035c06f9fddf
children 5be3e2edd449
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--- a/relnotes/next	Tue Apr 20 16:18:43 2021 +0200
+++ b/relnotes/next	Tue Apr 20 16:29:05 2021 +0200
@@ -21,6 +21,14 @@
     released in May 2019. See `hg help config.format.revlog-compression` for
     details.
 
+  * Mercurial installation built with the Rust parts will now use the
+    "persistent nodemap" feature by default. This feature was introduced in
+    Mercurial 5.4 (May 2020). However Mercurial instalation built without the
+    fast Rust implementation will refuse to interract with them by default.
+    This restriction can be lifted through configuration.
+
+    See `hg help config.format.use-persistent-nodemap` for details
+
 == New Experimental Features ==
 
  * There's a new `diff.merge` config option to show the changes