diff --git a/CHANGES.md b/CHANGES.md
index 34e62f45..ad9a14c5 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,4 +1,16 @@
 
+# 0.10
+
+- breaking: remove `around_task` from schedulers
+- breaking: remove `moonpool.fib` entirely. Please use `picos_std.structured`
+    if you really need structured concurrency.
+- remove deprecated moonpool-io and moonpool.sync
+
+- feat core: add `Main`, salvaged from moonpool.fib
+- block signals in background threads
+- refactor `chan`; fix bug in `Chan.try_push`
+- fix: make `Moonpool_lwt.fut_of_lwt` idempotent
+
 # 0.9
 
 - breaking: require OCaml 5
diff --git a/dune-project b/dune-project
index bf88d190..04dbc4f4 100644
--- a/dune-project
+++ b/dune-project
@@ -1,13 +1,20 @@
 (lang dune 3.0)
+
 (using mdx 0.2)
 
 (name moonpool)
-(version 0.9)
+
+(version 0.10)
+
 (generate_opam_files true)
+
 (source
  (github c-cube/moonpool))
+
 (authors "Simon Cruanes")
+
 (maintainers "Simon Cruanes")
+
 (license MIT)
 
 ;(documentation https://url/to/documentation)
@@ -16,41 +23,60 @@
  (name moonpool)
  (synopsis "Pools of threads supported by a pool of domains")
  (depends
-  (ocaml (>= 5.0))
+  (ocaml
+   (>= 5.0))
   dune
-  (either (>= 1.0))
+  (either
+   (>= 1.0))
   (trace :with-test)
   (trace-tef :with-test)
-  (qcheck-core (and :with-test (>= 0.19)))
-  (thread-local-storage (and (>= 0.2) (< 0.3)))
+  (qcheck-core
+   (and
+    :with-test
+    (>= 0.19)))
+  (thread-local-storage
+   (and
+    (>= 0.2)
+    (< 0.3)))
   (odoc :with-doc)
   (hmap :with-test)
-  (picos (and (>= 0.5) (< 0.7)))
-  (picos_std (and (>= 0.5) (< 0.7)))
+  (picos
+   (and
+    (>= 0.5)
+    (< 0.7)))
+  (picos_std
+   (and
+    (>= 0.5)
+    (< 0.7)))
   (mdx
    (and
     (>= 1.9.0)
     :with-test)))
  (depopts
-   hmap
-   (trace (>= 0.6)))
+  hmap
+  (trace
+   (>= 0.6)))
  (tags
   (thread pool domain futures fork-join)))
 
 (package
-  (name moonpool-lwt)
-  (synopsis "Event loop for moonpool based on Lwt-engine (experimental)")
-  (allow_empty)  ; on < 5.0
-  (depends
-    (moonpool (= :version))
-    (ocaml (>= 5.0))
-    (qcheck-core (and :with-test (>= 0.19)))
-    (hmap :with-test)
-    lwt
-    base-unix
-    (trace :with-test)
-    (trace-tef :with-test)
-    (odoc :with-doc)))
-
+ (name moonpool-lwt)
+ (synopsis "Event loop for moonpool based on Lwt-engine (experimental)")
+ (allow_empty) ; on < 5.0
+ (depends
+  (moonpool
+   (= :version))
+  (ocaml
+   (>= 5.0))
+  (qcheck-core
+   (and
+    :with-test
+    (>= 0.19)))
+  (hmap :with-test)
+  lwt
+  base-unix
+  (trace :with-test)
+  (trace-tef :with-test)
+  (odoc :with-doc)))
 
 ; See the complete stanza docs at https://dune.readthedocs.io/en/stable/dune-files.html#dune-project
diff --git a/moonpool-lwt.opam b/moonpool-lwt.opam
index 08a93ac3..d29944ad 100644
--- a/moonpool-lwt.opam
+++ b/moonpool-lwt.opam
@@ -1,6 +1,6 @@
 # This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
-version: "0.9"
+version: "0.10"
 synopsis: "Event loop for moonpool based on Lwt-engine (experimental)"
 maintainer: ["Simon Cruanes"]
 authors: ["Simon Cruanes"]
diff --git a/moonpool.opam b/moonpool.opam
index 40afc887..eace1e91 100644
--- a/moonpool.opam
+++ b/moonpool.opam
@@ -1,6 +1,6 @@
 # This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
-version: "0.9"
+version: "0.10"
 synopsis: "Pools of threads supported by a pool of domains"
 maintainer: ["Simon Cruanes"]
 authors: ["Simon Cruanes"]
diff --git a/src/core/fut.mli b/src/core/fut.mli
index de100ac8..d106a2e6 100644
--- a/src/core/fut.mli
+++ b/src/core/fut.mli
@@ -267,7 +267,7 @@ val await : 'a t -> 'a
 
 val yield : unit -> unit
 (** Like {!Moonpool.yield}.
-    @since NEXT_RELEASE *)
+    @since 0.10 *)
 
 (** {2 Blocking} *)
 
diff --git a/src/core/main.mli b/src/core/main.mli
index 1d88406a..418443a2 100644
--- a/src/core/main.mli
+++ b/src/core/main.mli
@@ -18,7 +18,7 @@
 
     This module was migrated from the late [Moonpool_fib].
 
-    @since NEXT_RELEASE *)
+    @since 0.10 *)
 
 val main : (Runner.t -> 'a) -> 'a
 (** [main f] runs [f()] in a scope that handles effects, including