PubNub SDK 10.6.3 release.

Author: pubnub-release-bot

.pubnub.yml

@@ -1,5 +1,5 @@
 name: python
-version: 10.6.2
+version: 10.6.3
 schema: 1
 scm: github.com/pubnub/python
 sdks:
@@ -18,7 +18,7 @@ sdks:
         distributions:
           - distribution-type: library
             distribution-repository: package
-            package-name: pubnub-10.6.2
+            package-name: pubnub-10.6.3
             location: https://pypi.org/project/pubnub/
             supported-platforms:
               supported-operating-systems:
@@ -94,8 +94,8 @@ sdks:
           -
             distribution-type: library
             distribution-repository: git release
-            package-name: pubnub-10.6.2
-            location: https://github.com/pubnub/python/releases/download/10.6.2/pubnub-10.6.2.tar.gz
+            package-name: pubnub-10.6.3
+            location: https://github.com/pubnub/python/releases/download/10.6.3/pubnub-10.6.3.tar.gz
             supported-platforms:
               supported-operating-systems:
                 Linux:
@@ -169,6 +169,15 @@ sdks:
                 license-url: https://github.com/encode/httpx/blob/master/LICENSE.md
                 is-required: Required
 changelog:
+  - date: 2026-04-20
+    version: 10.6.3
+    changes:
+      - type: bug
+        text: "The retry limit was silently clamped to the policy default, configured intervals were ignored by delay calculators, and the async reconnection loop never checked the limit or advanced its counter — fix all three and add a `maximum_reconnection_interval` config option."
+      - type: improvement
+        text: "`seqn` is not required by PubNub REST API, so remove `PublishSequenceManager`, all its subclasses, `MAX_SEQUENCE`, and `seqn` injection."
+      - type: improvement
+        text: "Cover `LinearDelay`, `ExponentialDelay`, `ReconnectionManager`, `ReconnectEffect`, and `HeartbeatDelayedEffect` with deterministic assertions for default, custom, and edge cases."
   - date: 2026-03-26
     version: 10.6.2
     changes:

CHANGELOG.md

@@ -1,3 +1,13 @@
+## 10.6.3
+April 20 2026
+
+#### Fixed
+- The retry limit was silently clamped to the policy default, configured intervals were ignored by delay calculators, and the async reconnection loop never checked the limit or advanced its counter — fix all three and add a `maximum_reconnection_interval` config option.
+
+#### Modified
+- `seqn` is not required by PubNub REST API, so remove `PublishSequenceManager`, all its subclasses, `MAX_SEQUENCE`, and `seqn` injection.
+- Cover `LinearDelay`, `ExponentialDelay`, `ReconnectionManager`, `ReconnectEffect`, and `HeartbeatDelayedEffect` with deterministic assertions for default, custom, and edge cases.
+
 ## 10.6.2
 March 26 2026
 

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name='pubnub',
-    version='10.6.2',
+    version='10.6.3',
     description='PubNub Real-time push service in the cloud',
     author='PubNub',
     author_email='support@pubnub.com',