diff --git a/app/models.py b/app/models.py
index 30dc27d..c1ec727 100644
--- a/app/models.py
+++ b/app/models.py
@@ -614,8 +614,9 @@ class Tag(db.Model):
 
 
 class MinetestRelease(db.Model):
-	id              = db.Column(db.Integer,    primary_key=True)
-	name            = db.Column(db.String(100), unique=True, nullable=False)
+	id       = db.Column(db.Integer, primary_key=True)
+	name     = db.Column(db.String(100), unique=True, nullable=False)
+	protocol = db.Column(db.Integer, nullable=False, default=0)
 
 	def __init__(self, name=None):
 		self.name = name
@@ -629,7 +630,7 @@ class PackageRelease(db.Model):
 
 	package_id   = db.Column(db.Integer, db.ForeignKey("package.id"))
 	title        = db.Column(db.String(100), nullable=False)
-	releaseDate  = db.Column(db.DateTime,        nullable=False)
+	releaseDate  = db.Column(db.DateTime,    nullable=False)
 	url          = db.Column(db.String(200), nullable=False)
 	approved     = db.Column(db.Boolean, nullable=False, default=False)
 	task_id      = db.Column(db.String(37), nullable=True)
diff --git a/app/querybuilder.py b/app/querybuilder.py
index a7f1323..e524bde 100644
--- a/app/querybuilder.py
+++ b/app/querybuilder.py
@@ -1,7 +1,8 @@
-from .models import db, PackageType, Package, ForumTopic, License
+from .models import db, PackageType, Package, ForumTopic, License, MinetestRelease, PackageRelease
 from .utils import isNo
 from sqlalchemy.sql.expression import func
 from flask import abort
+from sqlalchemy import or_
 
 class QueryBuilder:
 	title  = None
@@ -27,6 +28,7 @@ class QueryBuilder:
 		self.limit  = 1 if self.lucky else None
 		self.order_by  = args.get("sort") or "score"
 		self.order_dir = args.get("order") or "desc"
+		self.protocol_version = args.get("protocol_version")
 
 		if self.search is not None and self.search.strip() == "":
 			self.search = None
@@ -64,6 +66,18 @@ class QueryBuilder:
 			query = query.filter(Package.license.has(License.is_foss == True))
 			query = query.filter(Package.media_license.has(License.is_foss == True))
 
+		if self.protocol_version:
+			self.protocol_version = int(self.protocol_version)
+			version = MinetestRelease.query.filter(MinetestRelease.protocol>=self.protocol_version).first()
+			if version is not None:
+				version = version.id
+			else:
+				version = 10000000
+
+			query = query.join(Package.releases) \
+				.filter(or_(PackageRelease.min_rel_id==None, PackageRelease.min_rel_id<=version)) \
+				.filter(or_(PackageRelease.max_rel_id==None, PackageRelease.max_rel_id>=version))
+
 		if self.limit:
 			query = query.limit(self.limit)
 
diff --git a/app/views/api.py b/app/views/api.py
index 1e7190a..273ae8e 100644
--- a/app/views/api.py
+++ b/app/views/api.py
@@ -61,3 +61,9 @@ def topic_set_discard():
 	db.session.commit()
 
 	return jsonify(topic.getAsDictionary())
+
+
+@app.route("/api/minetest_versions/")
+def api_minetest_versions_page():
+	return jsonify([{ "name": rel.name, "protocol_version": rel.protocol }\
+			for rel in MinetestRelease.query.all() if rel.getActual() is not None])
diff --git a/migrations/versions/97a9c461bc2d_.py b/migrations/versions/97a9c461bc2d_.py
new file mode 100644
index 0000000..0960d41
--- /dev/null
+++ b/migrations/versions/97a9c461bc2d_.py
@@ -0,0 +1,28 @@
+"""empty message
+
+Revision ID: 97a9c461bc2d
+Revises: 7def3e843d04
+Create Date: 2019-01-28 20:49:41.831991
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '97a9c461bc2d'
+down_revision = '7def3e843d04'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('minetest_release', sa.Column('protocol', sa.Integer(), nullable=False, server_default="0"))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('minetest_release', 'protocol')
+    # ### end Alembic commands ###