diff --git a/ircd/db.cc b/ircd/db.cc
index f9d920a8b..440c816bc 100644
--- a/ircd/db.cc
+++ b/ircd/db.cc
@@ -5601,6 +5601,12 @@ ircd::db::reflect(const rocksdb::FlushReason &r)
 		case Reason::kAutoCompaction:               return "AutoCompaction";
 		case Reason::kManualFlush:                  return "ManualFlush";
 		case Reason::kErrorRecovery:                return "kErrorRecovery";
+		#ifdef IRCD_DB_HAS_FLUSH_RETRY
+		case Reason::kErrorRecoveryRetryFlush:      return "kErrorRecoveryRetryFlush";
+		#endif
+		#ifdef IRCD_DB_HAS_WAL_FULL
+		case Reason::kWalFull:                      return "kWalFull";
+		#endif
 	}
 
 	return "??????";
@@ -5631,6 +5637,12 @@ ircd::db::reflect(const rocksdb::CompactionReason &r)
 		#ifdef IRCD_DB_HAS_PERIODIC_COMPACTIONS
 		case Reason::kPeriodicCompaction:           return "kPeriodicCompaction";
 		#endif
+		#ifdef IRCD_DB_HAS_CHANGE_TEMPERATURE
+		case Reason::kChangeTemperature:            return "kChangeTemperature";
+		#endif
+		#ifdef IRCD_DB_HAS_FORCED_BLOBGC
+		case Reason::kForcedBlobGC:                 return "kForcedBlobGC";
+		#endif
 
 		case Reason::kNumOfReasons:
 			break;
@@ -5646,12 +5658,18 @@ ircd::db::reflect(const rocksdb::BackgroundErrorReason &r)
 
 	switch(r)
 	{
-		case Reason::kFlush:          return "FLUSH";
-		case Reason::kCompaction:     return "COMPACTION";
-		case Reason::kWriteCallback:  return "WRITE";
-		case Reason::kMemTable:       return "MEMTABLE";
-		#if 0 // unreleased
-		case Reason::kManifestWrite:  return "MANIFESTWRITE";
+		case Reason::kFlush:               return "FLUSH";
+		case Reason::kCompaction:          return "COMPACTION";
+		case Reason::kWriteCallback:       return "WRITE";
+		case Reason::kMemTable:            return "MEMTABLE";
+		#ifdef IRCD_DB_HAS_MANIFEST_WRITE
+		case Reason::kManifestWrite:       return "MANIFESTWRITE";
+		#endif
+		#ifdef IRCD_DB_HAS_FLUSH_RETRY
+		case Reason::kFlushNoWAL:          return "FLUSHNOWAL";
+		#endif
+		#ifdef IRCD_DB_HAS_MANIFEST_WRITE_NOWAL
+		case Reason::kManifestWriteNoWAL:  return "MANIFESTWRITENOWAL";
 		#endif
 	}
 
@@ -5701,7 +5719,13 @@ ircd::db::reflect(const rocksdb::Env::IOPriority &p)
 	switch(p)
 	{
 		case Priority::IO_LOW:     return "IO_LOW";
+		#ifdef IRCD_DB_HAS_IO_MID
+		case Priority::IO_MID:     return "IO_MID";
+		#endif
 		case Priority::IO_HIGH:    return "IO_HIGH";
+		#ifdef IRCD_DB_HAS_IO_USER
+		case Priority::IO_USER:    return "IO_USER";
+		#endif
 		case Priority::IO_TOTAL:   break;
 	}
 
diff --git a/ircd/db_has.h b/ircd/db_has.h
index 4b5275308..bcb770ec0 100644
--- a/ircd/db_has.h
+++ b/ircd/db_has.h
@@ -79,12 +79,36 @@
 	#define IRCD_DB_HAS_MULTIGET_DIRECT
 #endif
 
+#if ROCKSDB_MAJOR > 6 \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR > 12) \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR == 12 && ROCKSDB_PATCH >= 6)
+	#define IRCD_DB_HAS_MANIFEST_WRITE
+#endif
+
+#if ROCKSDB_MAJOR > 6 \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR > 14) \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR == 14 && ROCKSDB_PATCH >= 5)
+	#define IRCD_DB_HAS_FLUSH_RETRY
+#endif
+
+#if ROCKSDB_MAJOR > 6 \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR > 16) \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR == 16 && ROCKSDB_PATCH >= 3)
+	#define IRCD_DB_HAS_MANIFEST_WRITE_NOWAL
+#endif
+
 #if ROCKSDB_MAJOR > 6 \
 || (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR > 19) \
 || (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR == 19 && ROCKSDB_PATCH >= 3)
 	#define IRCD_DB_HAS_VERSION_ABI
 #endif
 
+#if ROCKSDB_MAJOR > 6 \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR > 20) \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR == 20 && ROCKSDB_PATCH >= 3)
+	#define IRCD_DB_HAS_WAL_FULL
+#endif
+
 #if ROCKSDB_MAJOR > 6 \
 || (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR > 22) \
 || (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR == 22 && ROCKSDB_PATCH >= 1)
@@ -96,3 +120,22 @@
 || (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR == 22 && ROCKSDB_PATCH >= 1)
 	#define IRCD_DB_HAS_CACHE_APPLYTOALL
 #endif
+
+#if ROCKSDB_MAJOR > 6 \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR > 24) \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR == 24 && ROCKSDB_PATCH >= 2)
+	#define IRCD_DB_HAS_CHANGE_TEMPERATURE
+#endif
+
+#if ROCKSDB_MAJOR > 6 \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR > 25) \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR == 25 && ROCKSDB_PATCH >= 1)
+	#define IRCD_DB_HAS_IO_MID
+	#define IRCD_DB_HAS_IO_USER
+#endif
+
+#if ROCKSDB_MAJOR > 6 \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR > 26) \
+|| (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR == 26 && ROCKSDB_PATCH >= 0)
+	#define IRCD_DB_HAS_FORCED_BLOBGC
+#endif