update RELEASE.md

Author: vsalavatov

RELEASE.md

@@ -1,21 +1,33 @@
 # com.intellij.platform:kotlinx-coroutines-* release
 
+`master` branch is the upstream `master` with all the patches applied.
+
 ```
 # update branches
 # git remote add upstream https://github.com/Kotlin/kotlinx.coroutines.git 
 git checkout master
 git fetch upstream
 git fetch origin
 
-# prepare new master with patches
+# if new patch commits need to be cherry-picked without main library version upgrade, cherry-pick them to master branch
+
+# if library version has changed, reapply all the patches on new upstream master
+# update intellij/patch-base
+git checkout intellij/patch-base
+git rebase upstream/master
+# apply patches to new master
+git checkout master
 git reset --hard upstream/master
 git rebase intellij/patch-base
-git rebase intellij/whatever-patches-we-have, see IntelliJ-patches.md for the list of branches
+# also rebase patch branches on top of new intellij/patch-base[, maybe squash them for cherry-pick], then cherry-pick the patches
+git cherry-pick <patch commits from intellij/whatever-patches-we-have>, see IntelliJ-patches.md of the last published version for the list of patches
+git push origin master --force
 
-# Remember to change the version in `gradle.properties` to something like `1.8.4-intellij-SNAPSHOT`
+# prepare a release branch from the master branch
+git checkout -b release/<version>, e.g., release/1.8.0-intellij-6
+# change the version in `gradle.properties`, e.g., to 1.8.0-intellij-6
 # commit version change
-
-git push origin master --force
+git push origin release/<version>
 ```
 
 ---