v1.16.1

New Features

• Deploy DM in tiup-playground (#2465, @GMHDBJD, @siddontang)

Fixes

• Fix several racings during download, do not upgrade nightly automatically in tiup-cluster (#2458, @xhebox)
• Fix possible panic when tiup-playground failed to start (#2457, @xhebox)
• Respect component_versions when tiup-cluster scales (#2451, @djshow832)
• Code clean: replace 'math/rand' with 'crypto/rand' (#2455, @bb7133)
• Fix tiup cannot update itself when tiup comonent exist (#2443, @nexustar)
• Do not check HTTP port for TiFlash 7.1.0 or above (#2440, @Lloyd-Pottiger)
• Also hide other password args (#2436, @xhebox)

Improvements

• Avoid unnecessary primary transfer for pdms mode in tiup-cluster (#2414, @HuSharp)
• Add --port-offset for tiup-playground to start multiple instances without port conflicts (#2453, @breezewish)
• Start with a name for pdms mode in tiup-cluster and tiup-playground (#2438, #2446, #2447, @HuSharp)
• Remove prometheus systemd and interrupts collector (#2445, @xhebox)
• Add example of setting the tiflash-proxy topology (#2444, @JaySon-Huang)
• Improve cluster restart messaging for tiup-cluster (#2442, @zph)
• Print version when filling tiup-playground --xx.binpath (#2334, @HuSharp)
• Only display --comments when needed for tiup-playground (#2314, @dveeden)