v10.3.0

What's Changed

• stop generating the cnx id for books by @mwvolo in #1603
• allow space remaining to be blank on webinars by @mwvolo in #1604
• Upload ty notes to sf by @mwvolo in #1602
• ensure canonical urls are consistent (with no slash) by @mwvolo in #1605

Full Changelog: v10.2.5...v10.3.0