Exhibit 10.1

AMENDMENT NO. 1 TO INVESTMENT MANAGEMENT TRUST AGREEMENT

February 17, 2021

THIS AMENDMENT NO. 1 TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT (this “Amendment”) is made as of February 17, 2021, by and between Crescent Acquisition Corp, a Delaware corporation (the “Company”), and Continental Stock Transfer & Trust Company, a New York limited purpose trust company (the “Trustee”). Capitalized terms contained in this Amendment, but not specifically defined in this Amendment, shall have the meanings ascribed to such terms in that certain Investment Management Trust Agreement, dated March 7, 2019, by and between the parties hereto (the “Trust Agreement”).

WHEREAS, on March 7, 2019, an aggregate of $250,000,000 was placed in the Trust Account from the Offering and sale of Private Placement Warrants;

WHEREAS, Section 1(i) of the Trust Agreement provides that the Trustee is to liquidate the Trust Account and distribute the Property in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to the Company to pay its taxes (less up to $100,000 of interest that may be released to the Company to pay dissolution expenses) to the Public Stockholders of record upon the date which is 24 months after the closing of the Offering;

WHEREAS, Section 6(c) of the Trust Agreement provides that Section 1(i) of the Trust Agreement may only be modified, amended or deleted with the affirmative vote of at least sixty five percent (65%) of the then outstanding shares of Common Stock and Class F common stock, par value $0.0001 per share, of the Company voting together as a single class and by a writing signed by each of the parties hereto;

WHEREAS, pursuant to a special meeting of the Public Stockholders of the Company, at least sixty five percent (65%) of the then outstanding shares of Common Stock and Class F common stock, par value $0.0001 per share, of the Company voting together as a single class voted affirmatively to approve this Amendment; and

WHEREAS, each of the Company and Trustee desire to amend the Trust Agreement as provided herein.

NOW, THEREFORE, in consideration of the mutual agreements contained herein and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, and intending to be legally bound hereby, the parties hereto agree as follows:

1. Amendment to Trust Agreement. Section 1(i) of the Trust Agreement is hereby amended and restated in its entirety as follows:

“(i) Commence liquidation of the Trust Account only after and promptly after (x) receipt of, and only in accordance with, the terms of a letter from the Company (“Termination Letter”) in a form substantially similar to that attached hereto as either Exhibit A or Exhibit B signed on behalf of the Company by its Executive Chairman, Chief Executive Officer, President, Chief Financial Officer, Secretary or Chairman (or, if

applicable, any Co-Chairman) of the board of directors (the “Board”) or other authorized officer of the Company, and complete the liquidation of the Trust Account and distribute the Property in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to the Company to pay its taxes (less up to $100,000 of interest that may be released to the Company to pay dissolution expenses), only as directed in the Termination Letter and the other documents referred to therein, or (y) June 30, 2021, if a Termination Letter has not been received by the Trustee prior to such date, in which case the Trust Account shall be liquidated in accordance with the procedures set forth in the Termination Letter attached as Exhibit B and the Property in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to the Company to pay its taxes (less up to $100,000 of interest that may be released to the Company to pay dissolution expenses), shall be distributed to the Public Stockholders of record as of such date; provided, however, that in the event the Trustee receives a Termination Letter in a form substantially similar to Exhibit B hereto, or if the Trustee begins to liquidate the Property because it has received no such Termination Letter by June 30, 2021, the Trustee shall keep the Trust Account open until twelve (12) months following the date the Property has been distributed to the Public Stockholders;”.

2. Miscellaneous Provisions.

2.1 Successors. All the covenants and provisions of this Amendment by or for the benefit of the Company or the Trustee shall bind and inure to the benefit of their permitted respective successors and assigns.

2.2 Severability. This Amendment shall be deemed severable, and the invalidity or unenforceability of any term or provision hereof shall not affect the validity or enforceability of this Amendment or of any other term or provision hereof. Furthermore, in lieu of any such invalid or unenforceable term or provision, the parties hereto intend that there shall be added as a part of this Amendment a provision as similar in terms to such invalid or unenforceable provision as may be possible and be valid and enforceable.

2.3 Applicable Law. This Amendment shall be governed by and construed and enforced in accordance with the laws of the State of New York.

2.4 Counterparts. This Amendment may be executed in several original or facsimile counterparts, each of which shall constitute an original, and together shall constitute but one instrument.

2.5 Effect of Headings. The section headings herein are for convenience only and are not part of this Amendment and shall not affect the interpretation thereof.

2.6 Entire Agreement. The Trust Agreement, as modified by this Amendment, constitutes the entire understanding of the parties and supersedes all prior agreements, understandings, arrangements, promises and commitments, whether written or oral, express or implied, relating to the subject matter hereof, and all such prior agreements, understandings, arrangements, promises and commitments are hereby canceled and terminated.

IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed as of the date first above written.

[Signature Page to Amendment to Investment Management Trust Agreement]