Fixes

• Fix #1987 and #1990 by @ctrekker in #1993
• Fix missing SVG icons in offline mode

Performance improvements

• Add a benchmark for compilation times by @rikhuijzer in #1959
• add precompile statements to sessionactions by @rikhuijzer in #1977
• Improve accuracy of compilation benchmarks and add one for Pluto.run by @rikhuijzer in #1983
• Optimize maybe_macroexpand by @rikhuijzer in #1991

Internal changes

• Pluto Session event listeners interface: Frontend extension by @pankgeorg in #1742
• 🧹 refactor: Move initialisation code out of Editor component by @fonsp in #1974
• Make css independent of position wrt body by @fonsp in #1975
• 🧹 Remove service worker by @fonsp in #1948

Full Changelog: v0.18.2...v0.18.4