v1.2.0 – Reduce start-up and processing time

User-facing changes

• Use caching in more places to reduce start-up and processing time, esp. when processing many subjects, by @agramfort in #716 and by @apmellot in #720
• Some documentation improvements by @hoechenberger in #712

Code health and maintenance

• Replace plot_psd() with compute_psd().plot() by @drammock in #725
• Bump required mkdocs-material version to ensure Twemojis work by @hoechenberger in #708
• Use git by @larsoner in #719
• Fix bug with dev version numbering by @larsoner in #718
• Start 1.2 release cycle by @hoechenberger in #707

Full Changelog: v1.1.0...v1.2.0