diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index 9a36f8c5..92ce2c9d 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -1,5 +1,23 @@
 = Changelog
 
+== 1.3
+
+- deprecate `CCBool.negate`
+- add `CCString.compare_natural` (closes #146)
+- add callbacks in `CCCache.with_cache{,_rec}` (closes #140)
+- tail-rec `CCList.split` (by @bikalgurung, see #138)
+- change `CCRingBuffer.peek_{front,back}` to return options (closes #127)
+- add `CCRingBuffer.is_full`
+- add `CCArray.find_map{,_i}`, deprecated older names (closes #129)
+- add `CCList.{keep,all}_{some,ok}` (closes #124)
+- large refactor of `CCSimple_queue` (close #125)
+- add `CCSimple_queue` to containers.data
+- small change for consistency in `CCIntMap`
+
+- bugfix in `CCRingBuffer.skip`, and corresponding tests
+- cleanup and refactor of `CCRingBuffer` (see #126). Add strong tests.
+- add rich testsuite to `CCIntMap`, based on @jmid's work
+
 == 1.2
 
 - make many modules extensions of stdlib (close #109)
diff --git a/_oasis b/_oasis
index 550ef65f..7547035f 100644
--- a/_oasis
+++ b/_oasis
@@ -1,6 +1,6 @@
 OASISFormat: 0.4
 Name:        containers
-Version:     1.2
+Version:     1.3
 Homepage:    https://github.com/c-cube/ocaml-containers
 Authors:     Simon Cruanes
 License:     BSD-2-clause
diff --git a/src/core/CCArray.mli b/src/core/CCArray.mli
index 8bbe8498..4511a56b 100644
--- a/src/core/CCArray.mli
+++ b/src/core/CCArray.mli
@@ -94,21 +94,21 @@ val sort_ranking : ('a -> 'a -> int) -> 'a t -> int array
 val find_map : ('a -> 'b option) -> 'a t -> 'b option
 (** [find_map f a] returns [Some y] if there is an element [x] such
     that [f x = Some y], else it returns [None]
-    @since NEXT_RELEASE
+    @since 1.3
 *)
 
 val find : ('a -> 'b option) -> 'a t -> 'b option
 (** Alias to {!find_map}
-    @deprecated since NEXT_RELEASE *)
+    @deprecated since 1.3 *)
 
 val find_map_i : (int -> 'a -> 'b option) -> 'a t -> 'b option
 (** Like {!find_map}, but also pass the index to the predicate function.
-    @since NEXT_RELEASE *)
+    @since 1.3 *)
 
 val findi : (int -> 'a -> 'b option) -> 'a t -> 'b option
 (** Alias to {!find_map_i}
     @since 0.3.4
-    @deprecated since NEXT_RELEASE *)
+    @deprecated since 1.3 *)
 
 val find_idx : ('a -> bool) -> 'a t -> (int * 'a) option
 (** [find_idx p x] returns [Some (i,x)] where [x] is the [i]-th element of [l],
diff --git a/src/core/CCBool.mli b/src/core/CCBool.mli
index 624b53d3..ad512f11 100644
--- a/src/core/CCBool.mli
+++ b/src/core/CCBool.mli
@@ -12,7 +12,7 @@ val equal : t -> t -> bool
 
 val negate : t -> t
 (** Negation on booleans (functional version of [not])
-    @deprecate since NEXT_RELEASE, simply use {!not} instead *)
+    @deprecate since 1.3, simply use {!not} instead *)
 
 type 'a printer = Format.formatter -> 'a -> unit
 
diff --git a/src/core/CCList.mli b/src/core/CCList.mli
index c7407f3e..710dadc8 100644
--- a/src/core/CCList.mli
+++ b/src/core/CCList.mli
@@ -253,22 +253,22 @@ val filter_map : ('a -> 'b option) -> 'a t -> 'b t
 val keep_some : 'a option t -> 'a t
 (** [filter_some l] retains only elements of the form [Some x].
     Same as [filter_map CCFun.id]
-    @since NEXT_RELEASE *)
+    @since 1.3 *)
 
 val keep_ok : ('a, _) Result.result t -> 'a t
 (** [filter_some l] retains only elements of the form [Some x].
     Same as [filter_map CCFun.id]
-    @since NEXT_RELEASE *)
+    @since 1.3 *)
 
 val all_some : 'a option t -> 'a t option
 (** [all_some l] returns [Some l'] if all elements of [l] are of the form [Some x],
     or [None] otherwise.
-    @since NEXT_RELEASE *)
+    @since 1.3 *)
 
 val all_ok : ('a, 'err) Result.result t -> ('a t, 'err) Result.result
 (** [all_ok l] returns [Ok l'] if all elements of [l] are of the form [Ok x],
     or [Error e] otherwise (with the first error met).
-    @since NEXT_RELEASE *)
+    @since 1.3 *)
 
 val sorted_merge : ?cmp:('a -> 'a -> int) -> 'a list -> 'a list -> 'a list
 (** Merges elements from both sorted list *)
diff --git a/src/core/CCString.mli b/src/core/CCString.mli
index 996873b4..3d61b5b1 100644
--- a/src/core/CCString.mli
+++ b/src/core/CCString.mli
@@ -581,7 +581,7 @@ val compare_versions : string -> string -> int
 val compare_natural : string -> string -> int
 (** Natural Sort Order, comparing chunks of digits as natural numbers.
     https://en.wikipedia.org/wiki/Natural_sort_order
-    @since NEXT_RELEASE *)
+    @since 1.3 *)
 
 (*$T
   compare_natural "foo1" "foo2" < 0
diff --git a/src/data/CCCache.mli b/src/data/CCCache.mli
index a5ccc2ce..1caac2ed 100644
--- a/src/data/CCCache.mli
+++ b/src/data/CCCache.mli
@@ -37,7 +37,7 @@ type ('a, 'b) callback = in_cache:bool -> 'a -> 'b -> unit
     Should never raise.
     @param in_cache is [true] if the value was in cache, [false]
       if the value was just produced.
-    @since NEXT_RELEASE *)
+    @since 1.3 *)
 
 val with_cache : ?cb:('a, 'b) callback -> ('a, 'b) t -> ('a -> 'b) -> 'a -> 'b
 (** [with_cache c f] behaves like [f], but caches calls to [f] in the
diff --git a/src/data/CCRingBuffer.ml b/src/data/CCRingBuffer.ml
index 0d344bef..af64a188 100644
--- a/src/data/CCRingBuffer.ml
+++ b/src/data/CCRingBuffer.ml
@@ -94,7 +94,7 @@ module type S = sig
 
   val is_full : t -> bool
   (** true if pushing an element would erase another element.
-      @since NEXT_RELEASE *)
+      @since 1.3 *)
 
   val blit_from : t -> Array.t -> int -> int -> unit
   (** [blit_from buf from_buf o len] copies the slice [o, ... o + len - 1] from
@@ -162,7 +162,7 @@ module type S = sig
   val peek_front_exn : t -> Array.elt
   (** First value from front of [t], without modification.
       @raise Empty if buffer is empty.
-      @since NEXT_RELEASE *)
+      @since 1.3 *)
 
   val peek_back : t -> Array.elt option
   (** Get the last value from back of [t], without modification. *)
@@ -170,7 +170,7 @@ module type S = sig
   val peek_back_exn : t -> Array.elt
   (** Get the last value from back of [t], without modification.
       @raise Empty if buffer is empty.
-      @since NEXT_RELEASE *)
+      @since 1.3 *)
 
   val take_back : t -> Array.elt option
   (** Take and remove the last value from back of [t], if any *)
diff --git a/src/data/CCRingBuffer.mli b/src/data/CCRingBuffer.mli
index c5b81d71..5e24ea5b 100644
--- a/src/data/CCRingBuffer.mli
+++ b/src/data/CCRingBuffer.mli
@@ -13,7 +13,7 @@
     @since 0.9
 
     Change in the API to provide only a bounded buffer
-    @since NEXT_RELEASE
+    @since 1.3
 *)
 
 (** {2 Underlying Array} *)
@@ -95,7 +95,7 @@ module type S = sig
 
   val is_full : t -> bool
   (** true if pushing an element would erase another element.
-      @since NEXT_RELEASE *)
+      @since 1.3 *)
 
   val blit_from : t -> Array.t -> int -> int -> unit
   (** [blit_from buf from_buf o len] copies the slice [o, ... o + len - 1] from
@@ -163,7 +163,7 @@ module type S = sig
   val peek_front_exn : t -> Array.elt
   (** First value from front of [t], without modification.
       @raise Empty if buffer is empty.
-      @since NEXT_RELEASE *)
+      @since 1.3 *)
 
   val peek_back : t -> Array.elt option
   (** Get the last value from back of [t], without modification. *)
@@ -171,7 +171,7 @@ module type S = sig
   val peek_back_exn : t -> Array.elt
   (** Get the last value from back of [t], without modification.
       @raise Empty if buffer is empty.
-      @since NEXT_RELEASE *)
+      @since 1.3 *)
 
   val take_back : t -> Array.elt option
   (** Take and remove the last value from back of [t], if any *)
diff --git a/src/data/CCSimple_queue.mli b/src/data/CCSimple_queue.mli
index 35dc801b..5b2bbcf1 100644
--- a/src/data/CCSimple_queue.mli
+++ b/src/data/CCSimple_queue.mli
@@ -4,7 +4,7 @@
 (** {1 Functional queues (fifo)} *)
 
 (** Simple implementation of functional queues
-    @since NEXT_RELEASE *)
+    @since 1.3 *)
 
 type 'a sequence = ('a -> unit) -> unit
 type 'a printer = Format.formatter -> 'a -> unit