High typing latency issues on MacOS Big Sur

Issue Report Checklist

• [ x] Searched the issues page for similar reports
• [ x] Read the relevant sections of the Spyder Troubleshooting Guide and followed its advice
• [ x] Reproduced the issue after updating with conda update spyder (or pip, if not using Anaconda)
• Could not reproduce inside jupyter qtconsole (if console-related)
• Tried basic troubleshooting (if a bug/error)
  • [x ] Restarted Spyder
  • [x ] Reset preferences with spyder --reset
  • [ x] Reinstalled the latest version of Anaconda
  • [ x] Tried the other applicable steps from the Troubleshooting Guide
• [ x] Completed the Problem Description, Steps to Reproduce and Version sections below

Problem Description

Ever since upgrading to Big Sur, I have been having some issues with the Spyder editor. It’s not too bad for a little bit and then suddenly there is high typing latency. I have tried the various steps outlined in previous threads, including:

conda activate spyder-dev
export QT_MAC_WANTS_LAYER=1
spyder

However, nothing seems to be working. I have also updated qt and pyqt.

Versions

• Spyder version: 5.0.5
• Python version: 3.7.11
• Qt version: 5.12.9
• PyQt version: 5.12.3
• Operating System name/version: Mac OS Big Sur, version 11.5.1

[4rron]

Just recently got back into Spyder (5.1.5 via Anaconda) on a new M1 Max MacBook and ran into this issue. Removing Kite from the Completion and Linting settings removed all typing latency for me.

Settings > Completion and Linting > Uncheck “Notify me when Kite can provide missing completions (but is unavailable)” Uncheck “Enable Kite provider”

[ccordoba12]

Closing because this is quite old now and we’ve done many improvements to fix the typing latency since.