diff --git a/build.properties b/build.properties
index 38b70ca4d0..0f1040eaa6 100644
--- a/build.properties
+++ b/build.properties
@@ -5,7 +5,7 @@ forge.version=14.23.5.2860
 
 mod.name=OpenComputers
 mod.group=li.cil.oc
-mod.version=1.8.5-snapshot
+mod.version=1.8.6-snapshot
 
 ae2.version=rv6-stable-7
 buildcraft.version=7.99.24.8
diff --git a/changelog.md b/changelog.md
index d39dc0c9cf..0ef527973e 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,7 +1,8 @@
 ## Fixes/improvements
 
-* [#3710] Fix localization regression introduced in 1.8.4.
+* [#3731] Fix string.format() omission in OpenOS package.lua.
+* [#3735] Fix server hangs on long-lasting HTTP requests.
 
 ## List of contributors
 
-asie, Computerdores, ff66theone, Glease, Hawk777, repo-alt, RobertCochran, yut23
+asie, REUSS-dev
diff --git a/src/main/resources/assets/opencomputers/loot/openos/lib/core/boot.lua b/src/main/resources/assets/opencomputers/loot/openos/lib/core/boot.lua
index 0bb01a2f1e..f60e8155cc 100644
--- a/src/main/resources/assets/opencomputers/loot/openos/lib/core/boot.lua
+++ b/src/main/resources/assets/opencomputers/loot/openos/lib/core/boot.lua
@@ -1,7 +1,7 @@
 -- called from /init.lua
 local raw_loadfile = ...
 
-_G._OSVERSION = "OpenOS 1.8.5"
+_G._OSVERSION = "OpenOS 1.8.6"
 
 -- luacheck: globals component computer unicode _OSVERSION
 local component = component
diff --git a/src/main/scala/li/cil/oc/server/component/InternetCard.scala b/src/main/scala/li/cil/oc/server/component/InternetCard.scala
index cfcbbe8e92..e4e71662bb 100644
--- a/src/main/scala/li/cil/oc/server/component/InternetCard.scala
+++ b/src/main/scala/li/cil/oc/server/component/InternetCard.scala
@@ -528,12 +528,18 @@ object InternetCard {
               out.close()
             }
 
+            // Finish the connection. Call getInputStream a second time below to re-throw any exception.
+            // This avoids getResponseCode() waiting for the connection to end in the synchronized block.
+            try {
+              http.getInputStream
+            } catch {
+              case _: Exception =>
+            }
+
             HTTPRequest.this.synchronized {
               response = Some((http.getResponseCode, http.getResponseMessage, http.getHeaderFields))
             }
 
-            // Calling getInputStream() can cause an exception to be thrown for unsuccessful HTTP responses,
-            // so call it only after the response code/message are set to allow retrieving them.
             // TODO: This should allow accessing getErrorStream() for reading unsuccessful HTTP responses' output,
             // but this would be a breaking change for existing OC code.
             http.getInputStream