draft of release notes

RELEASE_NOTES.md

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+WRENCH Release Notes
+------
+
+# WRENCH 1.3
+
+_Under development_
+
+
+# WRENCH 1.2
+
+This release includes a series of new features and bug fixes, including:
+
+- #50: New HTCondor compute service
+- #68: Improved standard job submission to specific VM (Cloud Service)
+- #70: Allow a WMS to start a new service dynamically
+- #74: New function Simulation::dumpWorkflowExecutionJSON() for dumping the workflow execution data in a JSON format
+- Bug fixes: #67, #69, #79, #80
+
+**Note**: WRENCH 1.2 requires [SimGrid 3.21](https://simgrid.org).
+
+
+# WRENCH 1.1
+
+This release includes a series of **new features** and **bug fixes**, including:
+
+- #37: Energy consumption by hosts and support for power state management
+- #60: Virtual machine management support including shutdown, start, suspend, and resume operations
+- #13: Enriched set of simulation events in the simulation output
+- #59: Command-line options
+- Bug fixes: #38, #63, #64, #66
+- Code improvements: #36, #61
+
+**Note**: WRENCH 1.1 requires [SimGrid 3.20](https://simgrid.org) or higher.
+
+
+# WRENCH 1.0.1
+
+On this minor bug fix and small improvements release, we provide:
+
+- #52: Ability to declare VM creation overhead in seconds to Cloud/VirtualizedCluster service
+- #58: Ability to load batch workload trace file in JSON "batsim" format
+- Bug fixes: #51, #53, #54, #56, and #57
+
+**Note**: WRENCH 1.0.1 requires [SimGrid 3.20](https://simgrid.org/download.html) or higher.
+
+
+# WRENCH 1.0
+
+This release provides a set of (simulated) services that can be instantiated on the simulated platform:
+
+- Compute Services (multi-core multi-host, virtualized cluster, cloud computing, and batch computing)
+- Storage Service (including support for scratch space for computing nodes)
+- File Registry Service (file replica catalog)
+- Network Proximity Service (monitors the network and provide a database of host-to-host network distances)
+- Workflow Management Systems (WMSs)