diff --git a/api/CHANGELOG.md b/api/CHANGELOG.md
index 07d54f3e21..2adb4bc680 100644
--- a/api/CHANGELOG.md
+++ b/api/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release History: opentelemetry-api
 
+### v1.6.0 / 2025-08-14
+
+- ADDED: Add noop methods on Trace::Span for `attributes` and `events`
+
 ### v1.5.0 / 2025-02-20
 
 - ADDED: Support 3.1 Min Version
diff --git a/api/lib/opentelemetry/version.rb b/api/lib/opentelemetry/version.rb
index 2d33859962..ddd47b32f4 100644
--- a/api/lib/opentelemetry/version.rb
+++ b/api/lib/opentelemetry/version.rb
@@ -6,5 +6,5 @@
 
 module OpenTelemetry
   ## Current OpenTelemetry version
-  VERSION = '1.5.0'
+  VERSION = '1.6.0'
 end
diff --git a/exporter/otlp-logs/CHANGELOG.md b/exporter/otlp-logs/CHANGELOG.md
index cc60f4d289..1823d54acd 100644
--- a/exporter/otlp-logs/CHANGELOG.md
+++ b/exporter/otlp-logs/CHANGELOG.md
@@ -1,8 +1,8 @@
 # Release History: opentelemetry-exporter-otlp-logs
 
-### v0.2.1 / 2025-07-29
+### v0.2.1 / 2025-08-14
 
-* FIXED: Support hash bodies and attribute values in OTLP logs exporter
+- FIXED: Support hash bodies and attribute values in OTLP logs exporter
 
 ### v0.2.0 / 2025-02-25
 
diff --git a/exporter/otlp-metrics/CHANGELOG.md b/exporter/otlp-metrics/CHANGELOG.md
index d622cde921..c0854dd257 100644
--- a/exporter/otlp-metrics/CHANGELOG.md
+++ b/exporter/otlp-metrics/CHANGELOG.md
@@ -1,12 +1,16 @@
 # Release History: opentelemetry-exporter-otlp-metrics
 
+### v0.6.0 / 2025-08-14
+
+- ADDED: Add support for exporting asynchronous instruments
+
 ### v0.5.0 / 2025-06-23
 
-* ADDED: Add exponential histogram in otlp metrics exporter
+- ADDED: Add exponential histogram in otlp metrics exporter
 
 ### v0.4.1 / 2025-04-17
 
-* FIXED: Update out-of-date google-protobuf-any
+- FIXED: Update out-of-date google-protobuf-any
 
 ### v0.4.0 / 2025-02-25
 
diff --git a/exporter/otlp-metrics/lib/opentelemetry/exporter/otlp/metrics/version.rb b/exporter/otlp-metrics/lib/opentelemetry/exporter/otlp/metrics/version.rb
index 0621140260..f288a44ccc 100644
--- a/exporter/otlp-metrics/lib/opentelemetry/exporter/otlp/metrics/version.rb
+++ b/exporter/otlp-metrics/lib/opentelemetry/exporter/otlp/metrics/version.rb
@@ -9,7 +9,7 @@ module Exporter
     module OTLP
       module Metrics
         ## Current OpenTelemetry OTLP exporter version
-        VERSION = '0.5.0'
+        VERSION = '0.6.0'
       end
     end
   end
diff --git a/logs_sdk/CHANGELOG.md b/logs_sdk/CHANGELOG.md
index 20db003f03..7f549b5f1c 100644
--- a/logs_sdk/CHANGELOG.md
+++ b/logs_sdk/CHANGELOG.md
@@ -1,9 +1,9 @@
 # Release History: opentelemetry-logs-sdk
 
-### v0.3.0 / 2025-07-29
+### v0.3.0 / 2025-08-14
 
-* ADDED: Update error message for invalid log record attribute
-* ADDED: Set logs exporter default to OTLP
+- ADDED: Update error message for invalid log record attribute
+- ADDED: Set logs exporter default to OTLP
 
 ### v0.2.0 / 2025-02-25
 
diff --git a/metrics_api/CHANGELOG.md b/metrics_api/CHANGELOG.md
index a69bad16ba..78125b60c6 100644
--- a/metrics_api/CHANGELOG.md
+++ b/metrics_api/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Release History: opentelemetry-metrics-api
 
+### v0.4.0 / 2025-08-14
+
+- ADDED: Support asynchronous instruments: ObservableGauge, ObservableCounter and ObservableUpDownCounter
+- FIXED: Update max instrument name length from 63 to 255 characters and allow `/` in instrument names
+
 ### v0.3.0 / 2025-02-25
 
 - ADDED: Support 3.1 Min Version
diff --git a/metrics_api/lib/opentelemetry/metrics/version.rb b/metrics_api/lib/opentelemetry/metrics/version.rb
index 3f62820d3a..6006079ce4 100644
--- a/metrics_api/lib/opentelemetry/metrics/version.rb
+++ b/metrics_api/lib/opentelemetry/metrics/version.rb
@@ -7,6 +7,6 @@
 module OpenTelemetry
   module Metrics
     ## Current OpenTelemetry metrics version
-    VERSION = '0.3.0'
+    VERSION = '0.4.0'
   end
 end
diff --git a/metrics_sdk/CHANGELOG.md b/metrics_sdk/CHANGELOG.md
index 1178c35dca..08d616d5fc 100644
--- a/metrics_sdk/CHANGELOG.md
+++ b/metrics_sdk/CHANGELOG.md
@@ -1,28 +1,33 @@
 # Release History: opentelemetry-metrics-sdk
 
-### v0.7.4 / 2025-07-29
+### v0.8.0 / 2025-08-14
 
-* FIXED: Validate scale range and raise exception if out of bounds for exponential histograms
+- BREAKING CHANGE: Update default aggregation temporality for counter, histogram, and up down counter to cumulative
+
+- ADDED: Support asynchronous instruments: ObservableGauge, ObservableCounter and ObservableUpDownCounter
+- FIXED: Validate scale range on exponential histograms and raise exception if out of bounds
+- FIXED: Update max instrument name length from 63 to 255 characters and allow `/` in instrument names
+- FIXED: Validate scale range and raise exception if out of bounds for exponential histograms
 
 ### v0.7.3 / 2025-07-09
 
-* FIXED: Stop exporting metrics with empty data points
+- FIXED: Stop exporting metrics with empty data points
 
 ### v0.7.2 / 2025-07-03
 
-* FIXED: Coerce aggregation temporality to be a symbol for exponential histograms
+- FIXED: Coerce aggregation temporality to be a symbol for exponential histograms
 
 ### v0.7.1 / 2025-05-28
 
-* FIXED: Recover periodic metric readers after forking
+- FIXED: Recover periodic metric readers after forking
 
 ### v0.7.0 / 2025-05-13
 
-* ADDED: Add basic exponential histogram
+- ADDED: Add basic exponential histogram
 
 ### v0.6.1 / 2025-04-09
 
-* FIXED: Use condition signal to replace sleep and remove timeout.timeout…
+- FIXED: Use condition signal to replace sleep and remove timeout.timeout…
 
 ### v0.6.0 / 2025-02-25
 
diff --git a/metrics_sdk/lib/opentelemetry/sdk/metrics/version.rb b/metrics_sdk/lib/opentelemetry/sdk/metrics/version.rb
index 87a5a1b7eb..d40603a16c 100644
--- a/metrics_sdk/lib/opentelemetry/sdk/metrics/version.rb
+++ b/metrics_sdk/lib/opentelemetry/sdk/metrics/version.rb
@@ -8,7 +8,7 @@ module OpenTelemetry
   module SDK
     module Metrics
       # Current OpenTelemetry metrics sdk version
-      VERSION = '0.7.4'
+      VERSION = '0.8.0'
     end
   end
 end
diff --git a/sdk/CHANGELOG.md b/sdk/CHANGELOG.md
index 91fb443cd9..6f52851bfc 100644
--- a/sdk/CHANGELOG.md
+++ b/sdk/CHANGELOG.md
@@ -1,8 +1,9 @@
 # Release History: opentelemetry-sdk
 
-### v1.8.1 / 2025-07-29
+### v1.8.1 / 2025-08-14
 
-* FIXED: Remove patch constraint on Zipkin exporter
+- FIXED: Remove patch constraint on Zipkin exporter
+- DOCS: Fix Resource merge documentation
 
 ### v1.8.0 / 2025-02-25