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-rw-r--r--docs/Changelog.md5
-rw-r--r--docs/env_variables.md2
2 files changed, 7 insertions, 0 deletions
diff --git a/docs/Changelog.md b/docs/Changelog.md
index 1590b2df..f146534f 100644
--- a/docs/Changelog.md
+++ b/docs/Changelog.md
@@ -4,6 +4,11 @@
   release of the tool. See README.md for the general instruction manual.
 
 ### Version ++4.22a (dev)
+  - afl-fuzz:
+    - fastresume feature added. if you abort fuzzing and resume fuzzing
+      with `-i -` or `AFL_AUTORESUME=1` and the target binary has not changed
+      then a dump will be loaded and the calibration phase skipped.
+      to disable this feature set `AFL_NO_FASTRESUME=1`
   - frida_mode:
     - AFL_FRIDA_PERSISTENT_ADDR can now be be any reachable address not just
       a function entry
diff --git a/docs/env_variables.md b/docs/env_variables.md
index 22e0ce0f..6db31df0 100644
--- a/docs/env_variables.md
+++ b/docs/env_variables.md
@@ -514,6 +514,8 @@ checks or alter some of the more exotic semantics of the tool:
   - `AFL_NO_SNAPSHOT` will advise afl-fuzz not to use the snapshot feature if
     the snapshot lkm is loaded.
 
+  - `AFL_NO_FASTRESUME` will not try to read or write a fast resume file.
+
   - Setting `AFL_NO_UI` inhibits the UI altogether and just periodically prints
     some basic stats. This behavior is also automatically triggered when the
     output from afl-fuzz is redirected to a file or to a pipe.