0.10.0-M4

What's Changed

• Removed incorrect example about excluding scala-lib from assembly by @lefou in #1507
• Build maintenance, added validate target by @lefou in #1509
• GenIdea: Report errors by @lefou in #1508
• Retry coursier resolution in case of concurrent download issues by @lefou in #1510
• Update upickle to 1.4.2 by @scala-steward in #1511
• Ensure -D property passing correctly resets when -D is later removed by @lihaoyi in #1514
• Moved mill.eval.Evaluator.State to mill.main.EvaluatorState by @lefou in #1515
• Some refactoring (core and evaluator) by @lefou in #1518
• Change ammonite-ops with os-lib by @lolgab in #1519
• Support a target separator (+) in the argument parser by @lefou in #1521
• Updated documetation and usage to reflect new + separator by @lefou in #1524
• Added page generation to validate target by @lefou in #1525
• Update scalajs-linker, ... to 1.7.1 by @scala-steward in #1529
• Added --import command-line option by @lefou in #1526
• Update flyway-core to 8.0.1 and added upickle writers by @lefou in #1532
• Update coursier to 2.0.16-169-g194ebc55c by @scala-steward in #1527
• Documented ammoniteVersion and print some warning when resolving ammonite by @lefou in #1533
• Added mill-jacoco to thirdparty plugin list by @lefou in #1534
• Update trees to 4.4.29 by @scala-steward in #1535
• Simplified Bloop installation instructions by @lefou in #1537
• Update flyway-core to 8.0.2 by @scala-steward in #1538
• Update bloop-config to 1.4.10 by @scala-steward in #1539
• Rewrote T.source to fix usage of implicity[sourcecode.Enclosing] by @lefou in #1542
• Add T.ctx().workspace to access to project top level directory by @lefou in #1545
• Bsp improve by @lefou in #1536
• Bump scoverage to latest 1.4.10 by @ckipp01 in #1548
• Only set COURSIER_CACHE on WSL if undefined by @lefou in #1549
• Fixed empty BSP response for buildTarget/scalaTestClasses by @lefou in #1551
• BSP: Listen for all compiled files and properly reset diagnostics by @lefou in #1552
• zinc worker maintenance by @lefou in #1553
• Use T.env instead of sys.env to capture actual env values by @lefou in #1555
• Fixed access to environment variables in ScalaNativeModule by @lefou in #1556
• Also detect --bsp mode on Windows by @lefou in #1557
• Deduplicate inputs in inspect command output by @lefou in #1558

Full Changelog: 0.10.0-M3...0.10.0-M4