What's Changed

• Feat/improve mem usage by @cardosofede in #7667
• Feat/Improve node wait time + fix potential memory leak issues + improve order update logic by @mlguys in #7664
• Fix gateway approve-tokens transaction hash extraction by @fengtality in #7690
• Feat/add headless support by @cardosofede in #7673
• (feat) add perp margin rejected by @cardosofede in #7693
• sync / Client development -> staging 2.7.0 by @nikspz in #7688
• fix / update staging version 2.7.0 by @rapcmia in #7694
• fix-hummingbot-version-2.7.0 by @nikspz in #7699
• Feat/minor fix mqtt duplication by @cardosofede in #7696
• fix/ update staging with minor fix mqtt duplication by @nikspz in #7700
• Feat/improve user stream tasks clean up by @cardosofede in #7703
• sync / development to staging 2.7.0 by @rapcmia in #7705
• sync / Client staging -> master for Hummingbot version 2.7.0 by @nikspz in #7698

Full Changelog: v2.6.1...v2.7.0