update changes

master_changes.md

@@ -22,6 +22,7 @@ users)
   * Refresh the actions list output, now sorted by action/package rather than dependency [#5045 @kit-ty-kate @AltGr - fix #5041]
   * Put back the actions summary as part of confirmation question [#5045 @AltGr]
   * Error report display: print action name [#5045 @AltGr]
+  * Fix `OPAMCURL` and `OPAMFETCH` value setting [#5111 @rjbou - fix #5108]
 
 ## Plugins
   *
@@ -301,6 +302,7 @@ users)
   * `OpamRepositoryConfig`: add in config record `repo_tarring` field and as an argument to config functions, and a new constructor `REPOSITORYTARRING` in `E` environment module and its access function [#5015 @rjbou]
   * New download functions for shared source, old ones kept [#4893 @rjbou]
   * `OpamClient.filter_unpinned_locally` now display a warning of skipped packages instead of debug log [#5083 @rjbou]
+  * `OpamRepositoryConfig.E`: add `curl_t` and `fetch_t` to get their respective environement vairbales value dynamically, without lazyness. It is used in `opamClient.InitDefaults`, that can be called at topelevel [#5111 @rjbou]
 
 ## opam-state
   * `OpamSwitchState.universe`: `requested` argument moved from `name_package_set` to `package_set`, to precise installed packages with `--best-effort` [#4796 @LasseBlaauwbroek]
@@ -330,3 +332,4 @@ users)
   * `OpamHash`: add `sort` from strongest to weakest kind
   * `OpamSystem.real_path`: Remove the double chdir trick on OCaml >= 4.13.0 [#4961 @kit-ty-kate]
   * `OpamProcess.wait_one`: display command in verbose mode for finished found process [#5091 @rjbou]
+  * `OpamStd.Config.E`: add `value_t` to allow getting environment variable value dynamically [#5111 @rjbou]