Usability fixes

What's Changed

• Fix tabpage dumping text in insert mode by @hkupty in #48
• Check whether nvim_add_user_command exists before using it by @jdelkins in #47
• Fix wrong tab indexing by @hkupty in #49
• fix: Add <CR> to missing mappings by @hkupty in #50

Full Changelog: v3.1...v3.2

Remove deprecated functions

What's Changed

• Fixes in singleton_buf() by @jdelkins in #42
• Fix typo in README.md by @jdelkins in #44
• vim.tbl_deep_extend is for map-type tables by @jdelkins in #43
• Remove deprecated functions by @hkupty in #46

New Contributors

• @jdelkins made their first contribution in #42

Full Changelog: v3.0...v3.1

v3.0

nvimux 3.0

Drop old nvimux.bootstrap() in favor of nvimux.setup{}.