diff --git a/8.1/devfs/etc/php81/conf.d/00_opcache.ini b/8.1/devfs/etc/php81/conf.d/00_opcache.ini
index ba5b4e0..4a0b5a9 100644
--- a/8.1/devfs/etc/php81/conf.d/00_opcache.ini
+++ b/8.1/devfs/etc/php81/conf.d/00_opcache.ini
@@ -1,11 +1,14 @@
+; Source: https://www.php.net/manual/en/opcache.configuration.php
 zend_extension=opcache.so
 
-opcache.memory_consumption=256
-opcache.interned_strings_buffer=8
-opcache.max_accelerated_files=10000
-opcache.revalidate_freq=2
-opcache.fast_shutdown=1
-opcache.enable_cli=1
 opcache.enable=1
+opcache.enable_cli=1
+opcache.memory_consumption=256
+opcache.interned_strings_buffer=16
+opcache.max_accelerated_files=50000
 opcache.validate_timestamps=1
-opcache.max_wasted_percentage=10
\ No newline at end of file
+opcache.save_comments=1
+opcache.max_wasted_percentage=10
+
+; JIT disabled — incompatible with Xdebug
+opcache.jit=off
diff --git a/8.1/rootfs/etc/php81/conf.d/00_opcache.ini b/8.1/rootfs/etc/php81/conf.d/00_opcache.ini
index 51d4740..a54ed99 100644
--- a/8.1/rootfs/etc/php81/conf.d/00_opcache.ini
+++ b/8.1/rootfs/etc/php81/conf.d/00_opcache.ini
@@ -1,11 +1,16 @@
+; Source: https://www.php.net/manual/en/opcache.configuration.php
 zend_extension=opcache.so
 
+opcache.enable=1
+opcache.enable_cli=1
 opcache.memory_consumption=256
-opcache.interned_strings_buffer=8
+opcache.interned_strings_buffer=16
 opcache.max_accelerated_files=50000
-opcache.revalidate_freq=60
-opcache.fast_shutdown=1
-opcache.enable_cli=1
-opcache.enable=1
 opcache.validate_timestamps=0
+opcache.save_comments=1
 opcache.max_wasted_percentage=10
+
+; JIT — tracing mode, best for web workloads (PHP 8.x only)
+; Disabled in dev images (incompatible with Xdebug)
+opcache.jit=tracing
+opcache.jit_buffer_size=64M
diff --git a/8.2/devfs/etc/php82/conf.d/00_opcache.ini b/8.2/devfs/etc/php82/conf.d/00_opcache.ini
index ba5b4e0..4a0b5a9 100644
--- a/8.2/devfs/etc/php82/conf.d/00_opcache.ini
+++ b/8.2/devfs/etc/php82/conf.d/00_opcache.ini
@@ -1,11 +1,14 @@
+; Source: https://www.php.net/manual/en/opcache.configuration.php
 zend_extension=opcache.so
 
-opcache.memory_consumption=256
-opcache.interned_strings_buffer=8
-opcache.max_accelerated_files=10000
-opcache.revalidate_freq=2
-opcache.fast_shutdown=1
-opcache.enable_cli=1
 opcache.enable=1
+opcache.enable_cli=1
+opcache.memory_consumption=256
+opcache.interned_strings_buffer=16
+opcache.max_accelerated_files=50000
 opcache.validate_timestamps=1
-opcache.max_wasted_percentage=10
\ No newline at end of file
+opcache.save_comments=1
+opcache.max_wasted_percentage=10
+
+; JIT disabled — incompatible with Xdebug
+opcache.jit=off
diff --git a/8.2/rootfs/etc/php82/conf.d/00_opcache.ini b/8.2/rootfs/etc/php82/conf.d/00_opcache.ini
index 51d4740..a54ed99 100644
--- a/8.2/rootfs/etc/php82/conf.d/00_opcache.ini
+++ b/8.2/rootfs/etc/php82/conf.d/00_opcache.ini
@@ -1,11 +1,16 @@
+; Source: https://www.php.net/manual/en/opcache.configuration.php
 zend_extension=opcache.so
 
+opcache.enable=1
+opcache.enable_cli=1
 opcache.memory_consumption=256
-opcache.interned_strings_buffer=8
+opcache.interned_strings_buffer=16
 opcache.max_accelerated_files=50000
-opcache.revalidate_freq=60
-opcache.fast_shutdown=1
-opcache.enable_cli=1
-opcache.enable=1
 opcache.validate_timestamps=0
+opcache.save_comments=1
 opcache.max_wasted_percentage=10
+
+; JIT — tracing mode, best for web workloads (PHP 8.x only)
+; Disabled in dev images (incompatible with Xdebug)
+opcache.jit=tracing
+opcache.jit_buffer_size=64M
diff --git a/8.3/devfs/etc/php83/conf.d/00_opcache.ini b/8.3/devfs/etc/php83/conf.d/00_opcache.ini
index ba5b4e0..4a0b5a9 100644
--- a/8.3/devfs/etc/php83/conf.d/00_opcache.ini
+++ b/8.3/devfs/etc/php83/conf.d/00_opcache.ini
@@ -1,11 +1,14 @@
+; Source: https://www.php.net/manual/en/opcache.configuration.php
 zend_extension=opcache.so
 
-opcache.memory_consumption=256
-opcache.interned_strings_buffer=8
-opcache.max_accelerated_files=10000
-opcache.revalidate_freq=2
-opcache.fast_shutdown=1
-opcache.enable_cli=1
 opcache.enable=1
+opcache.enable_cli=1
+opcache.memory_consumption=256
+opcache.interned_strings_buffer=16
+opcache.max_accelerated_files=50000
 opcache.validate_timestamps=1
-opcache.max_wasted_percentage=10
\ No newline at end of file
+opcache.save_comments=1
+opcache.max_wasted_percentage=10
+
+; JIT disabled — incompatible with Xdebug
+opcache.jit=off
diff --git a/8.3/rootfs/etc/php83/conf.d/00_opcache.ini b/8.3/rootfs/etc/php83/conf.d/00_opcache.ini
index 51d4740..a54ed99 100644
--- a/8.3/rootfs/etc/php83/conf.d/00_opcache.ini
+++ b/8.3/rootfs/etc/php83/conf.d/00_opcache.ini
@@ -1,11 +1,16 @@
+; Source: https://www.php.net/manual/en/opcache.configuration.php
 zend_extension=opcache.so
 
+opcache.enable=1
+opcache.enable_cli=1
 opcache.memory_consumption=256
-opcache.interned_strings_buffer=8
+opcache.interned_strings_buffer=16
 opcache.max_accelerated_files=50000
-opcache.revalidate_freq=60
-opcache.fast_shutdown=1
-opcache.enable_cli=1
-opcache.enable=1
 opcache.validate_timestamps=0
+opcache.save_comments=1
 opcache.max_wasted_percentage=10
+
+; JIT — tracing mode, best for web workloads (PHP 8.x only)
+; Disabled in dev images (incompatible with Xdebug)
+opcache.jit=tracing
+opcache.jit_buffer_size=64M