Enable Secure Static Resources for Lightning Components throws error accessing a static resource if its from a package with underscore in namespace
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Known Issues · No Fix

Enable Secure Static Resources for Lightning Components throws error accessing a static resource if its from a package with underscore in namespace

Packaging , Lightning , Winter 21

Last updated 2021-08-17 ·Reference W-8561166 ·Reported By 78 users

No Fix

Summary
"Enable Secure Static Resources for Lightning Components" throws a CORS error accessing a static resource if its from a package which has underscore in namespace.

Repro
Steps to repro
1. In a Winter’21 org
2. Create "test.js" with some valid js content and place it into a folder
3. Zip the folder and upload to the org under 'Static Resources' (name = resource)
4. Create Package with underscore in the namespace (test_namespace)
5. Add the static resource into the package and upload


6. Sign up fresh org and install the package.
7. Turn on "Enable Secure Static Resources for Lightning Components" in Release Updates
8. Install Package
9. Create Lightning Component


TestCmp
----
<aura:component access="GLOBAL" implements="flexipage:availableForAllPageTypes,force:hasRecordId,force:appHostable">
   <ltng:require scripts="$Resource.test_namespace__resource + '/test.js'}"/>
</aura:component>
----


10. Create Lightning Tab and chose created Lightning Component.
11. Open the Lightning Tab.
12. Check CORS errors in Chrome DevTools.

NOTE: The same repro works in the packaging org. It fails only in the installed org.

Workaround
Remove the underscore from the namespace.

Updates
This release update has been postponed indefinitely while we change the implementation to reduce customer impact. The release update won't be enforced in its present form. Please do not enable it.

Please refer: https://help.salesforce.com/s/articleView?id=release-notes.rn_lc_secure_static_resources_update.htm&type=5&release=232

Reported By (78)

Michael Mazzotta Wafer Studios Kim Flint Christian Swift Candice Christiansen Steve Pysnik Alexandra Kenney Holly Cullen Chad Pfrommer Scott Bub (MCS) Raju Paripalli Royce Ray Eduard Panin Jasmina Ambani Mauricio Del Rio Michelle Mai Stephen Stinemetze Alexander Zaytsev Christi Wakefield Natasha Nozdrachova Gadi Vered Kyryl Fedko Mikhail Zelenskyi Vitali Kalinin Jeff Donato Andrew Zhuravok Elizaveta Bondarenko Anton Zaratuychenko Kateryna Artiukhova Roman Favorov Olha Prodan Anastasiia Skydan Artur Ambartsumian Ohanian Ovik Maxim Koshel Kate Khalturina Ruslan Maliukov Kateryna Voronkova Marissa Mills Yasa Kusuma Denys Modlinskyi Sergiy Yanushkevich Viacheslav Manaienkov Shai Rubin Sneha S P Roberto Tomasoni Varun Chaddha Luca Miglioli Andrea Parimbelli Christian Tinghino Maximilian Wittig Christian Szandor Knapp Christian Croce Lijie Yu Chris Watson Joel Mansford Damian Tomczik Beth Clements Callum Hurry Mikhail Radchenko Andrea Adcock Stefan Ludwig Dimitri Mockelyn Jan Ambrosch Toru Iwasa Daichi Mizoguchi 洋陽 室中 棟云 鄭 雄基 江田 Hiroki Oguri Kazuhiro Watanabe Nikolay Turchanykov Jennifer Bowman Valeria Kokina Jennifer Watson Olga Alekseyeva Daria Yegorova Ross Goldberg

Is it Fixed?

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